Madolche Anjelly

If this card in your possession is destroyed by your opponent's card (by battle or card effect) and sent to your Graveyard: Shuffle this card into the Deck. You can Tribute this card; Special Summon 1 "Madolche" monster from your Deck, but shuffle it into the Deck during the End Phase of your next turn. You can only use this effect of "Madolche Anjelly" once per turn. That Special Summoned monster cannot be destroyed by battle.

Madolche Petingcessoeur

If this card in your possession is destroyed by an opponent's card and sent to your GY: Shuffle this card into the Deck. You can only use each of the following effects of "Madolche Petingcessoeur" once per turn.
● If you have no monsters in your GY: You can Special Summon this card from your hand.
● If this card is Special Summoned: You can Special Summon 1 "Madolche" monster from your hand or Deck, except "Madolche Petingcessoeur", and if you do, reduce its Level by 1, also you cannot Special Summon monsters for the rest of this turn, except "Madolche" monsters.

Madolche Puddingcess

If this card in your possession is destroyed by your opponent's card (by battle or card effect) and sent to your Graveyard: Shuffle this card into the Deck. While you have no monsters in your Graveyard, this card gains 800 ATK and DEF. After damage calculation, when this card battles an opponent's monster: You can target 1 card your opponent controls; destroy that target.

Magical Musket Mastermind Zakiel

You can Tribute Summon this card face-up by Tributing 1 "Magical Musket" monster. During either player's turn, you can activate "Magical Musket" Spell/Trap Cards from your hand. Once per turn, during your opponent's End Phase: You can draw cards equal to the number of "Magical Musket" Spell/Trap Cards you activated this turn while this card was face-up on your field. You can only use this effect of "Magical Musket Mastermind Zakiel" once per turn.

Magical Scientist 95

Pay 1000 Life Points to Special Summon 1 level 6 or lower Fusion Monster from your Extra Deck in face-up Attack or Defense Position. That Fusion Monster cannot attack your opponent's Life Points directly, and is returned to your Extra Deck at the end of the turn.

Magical Undertaker

FLIP: You can target 1 Level 4 or lower Spellcaster monster in your GY; Special Summon that target.

Magicalibra

[ Pendulum Effect ]
You can declare a Level from 1 to 6, then target 2 face-up monsters you control; until the end of this turn, reduce the Level of 1 of those monsters by the declared amount, and if you do, increase the Level of the other by the same amount (even if this card leaves the field). You can only use this effect of "Magicalibra" once per turn.

''A sentient scale. It maintains the balance of the universe, but often places the stars on the wrong side.''

Magicians of Bonds and Unity

Cannot be Normal Summoned/Set. Must be Special Summoned (from your hand) by having 25 or more cards in your GY. While your opponent has 25 or more cards in their GY, this card gains 2500 ATK/DEF.

Magicians' Souls 15

You can send up to 2 Spells/Traps from your hand and/or field to the GY; draw that many cards. If this card is in your hand: You can send 1 Level 6 or higher Spellcaster monster from your Deck to the GY, then activate 1 of these effects;
● Special Summon this card.
● Send this card to the GY, then, you can Special Summon 1 "Dark Magician" or 1 "Dark Magician Girl" from your GY.
You can only use each effect of "Magicians' Souls" once per turn.

Magikey Deity - Ashtartu

2 Level 8 monsters
Once per turn, when your Normal Monster or "Magikey" monster destroys an opponent's monster by battle: You can detach 1 material from this card; inflict damage to your opponent equal to the destroyed monster's original ATK. Once per turn, during your opponent's Main Phase (Quick Effect): You can target 1 monster your opponent controls with the same Attribute as a Normal Monster or "Magikey" monster you control or is in your GY; detach 1 material from this card, and if you do, banish that monster.

Magikey Fiend - Transfurlmine

1 "Magikey" Tuner + 1+ non-Tuner Normal Monsters
This card can make up to 2 attacks on monsters during each Battle Phase. You can only use each of the following effects of "Magikey Fiend - Transfurlmine" once per turn. If you control this card that was Synchro Summoned using at least 2 Attributes of monsters: You can Set 1 "Magikey" Spell/Trap directly from your Deck to your Spell & Trap Zone. If your opponent Normal or Special Summons a monster(s) with the same Attribute as a monster in your GY (except during the Damage Step): You can destroy that monster(s).

Magikey Spirit - Vepartu

2 Level 4 monsters
If this card is Xyz Summoned: You can detach 1 material from this card; add 1 Level 4 or higher Normal Monster from your Deck or GY to your hand. If this card has a Normal Monster as material, it gains this effect.
● At the start of the Damage Step, if this card battles an opponent's monster with the same Attribute as a Normal Monster or "Magikey" monster in your GY: You can detach 1 material from this card; your opponent must send that monster to the GY.

Maginificent Magikey Mafteal

Cannot be used as material for a Synchro or Xyz Summon, except for the Synchro or Xyz Summon of a "Magikey" monster. If you control a "Magikey" monster: You can reveal this card in your hand; you can Normal Summon 1 "Magikey" monster during your Main Phase this turn, in addition to your Normal Summon/Set. (You can only gain this effect once per turn.) When this card is Normal Summoned: You can target 1 Level 4 or lower Normal Monster, or Level 4 or lower "Magikey" monster, in your GY; Special Summon it in Defense Position. You can only use this effect of "Maginificent Magikey Mafteal" once per turn.

Maiden of White

You can send this card from your hand or field to the GY; place 1 "True Light" from your hand, Deck, or GY, face-up in your Spell & Trap Zone. If you Special Summon "Blue-Eyes White Dragon" while this card is in your GY (except during the Damage Step): You can Special Summon this card. When a card or effect is activated that targets this card on the field, or when this card is targeted for an attack (Quick Effect): You can Special Summon 1 "Blue-Eyes White Dragon" or 1 Level 1 LIGHT Tuner from your GY. You can only use each effect of "Maiden of White" once per turn.

Maiden with Eyes of Blue

When a card or effect is activated that targets this card (Quick Effect): You can Special Summon 1 "Blue-Eyes White Dragon" from your hand, Deck, or GY. When this card is targeted for an attack: You can negate the attack, and if you do, change the battle position of this card, then you can Special Summon 1 "Blue-Eyes White Dragon" from your hand, Deck, or GY. You can only use 1 "Maiden with Eyes of Blue" effect per turn, and only once that turn.

Majespecter Porcupine - Yamarashi

During the Main Phase, if you control a "Majespecter" monster (Quick Effect): You can Special Summon this card from your hand. If this card is Normal or Special Summoned: You can target 1 "Majespecter" Spell in your GY; Set it. You can only use each of the previous effects of "Majespecter Porcupine - Yamarashi" once per turn. While this card is in your Monster Zone, your opponent cannot target it with card effects, also it cannot be destroyed by your opponent's card effects.

Majespecter Unicorn - Kirin

During either player's turn: You can target 1 Pendulum Monster in your Monster Zone and 1 monster your opponent controls; return them to the hand(s). You can only use this effect of "Majespecter Unicorn - Kirin" once per turn. Cannot be targeted or destroyed by your opponent's card effects.

Majestic Dragon

Cannot be used as a Synchro Material, except for the Synchro Summon of a "Majestic" monster.

Majesty Pegasus, the Dracoslayer

[ Pendulum Effect ]
If you have a "Dracoslayer" or "Majespecter" card in your other Pendulum Zone: You can add 1 "Dracoslayer" Pendulum Monster with a different original name than that card from your Deck to your hand, then you can destroy 1 card in your Pendulum Zone. You can only use this effect of "Majesty Pegasus, the Dracoslayer" once per turn.

(This card is always treated as a "Majespecter" card.)
(Quick Effect): You can discard this card; for the rest of this turn, your opponent cannot target "Dracoslayer" monsters you control with card effects, also they cannot be destroyed by your opponent's card effects. If this card is Special Summoned by the effect of a "Dracoslayer" card, or Pendulum Summoned: You can add 1 Field Spell from your Deck to your hand, then discard 1 card. You can only use this effect of "Majesty Pegasus, the Dracoslayer" once per turn.

Malefic Paradigm Dragon

Cannot be Normal Summoned/Set. Must be Special Summoned (from your hand) by banishing 1 "Malefic" monster from your Extra Deck while "Malefic Paradigm Dragon" is not on the field. If "Malefic World" is not on the field, destroy this card. Once per turn: You can send 1 "Malefic" card from your Deck to the GY; return 1 of your banished Level 8 Synchro Monsters to the Extra Deck, then you can Special Summon that monster from the Extra Deck, also you can only attack with "Malefic" monsters for the rest of this turn.

Malefic Paradox Dragon

"Malefic Parallel Gear" + 1 non-Tuner "Malefic" monster
When this card is Synchro Summoned, you can select 1 Synchro Monster in either player's Graveyard, and Special Summon it. There can only be 1 face-up "Malefic Paradox Dragon" on the field. If "Malefic World" is not face-up on the field, destroy this card.

Malefic Paradox Gear

If a face-up Field Spell is on the field: You can Tribute this card; Special Summon 1 "Malefic Parallel Gear" from your Deck, then, add 1 "Malefic" monster from your Deck to your hand, except "Malefic Paradox Gear". If a "Malefic" monster would banish a monster to Special Summon itself by its own way, you can banish this card you control or in your GY instead. You can only use each effect of "Malefic Paradox Gear" once per turn.

Malefic Parallel Gear

When using this card as a Synchro Material Monster, the other Synchro Material Monster is 1 "Malefic" monster in your hand.

Malefic Truth Dragon

Cannot be Normal Summoned/Set. Must be Special Summoned by its own effect, and cannot be Special Summoned by other ways. If a "Malefic" monster you control, except "Malefic Truth Dragon", is destroyed by battle or by card effect: You can pay half your Life Points; Special Summon this card from your hand or Graveyard. There can only be 1 "Malefic" monster on the field. If there is no face-up Field Spell Card on the field, destroy this card. If this card destroys an opponent's monster by battle: Destroy all face-up monsters your opponent controls.

Malice, Lady of Lament

(Quick Effect): You can Tribute 2 monsters, then target 1 of your Normal Traps that is banished or in your GY; Set that target, but place it on the bottom of the Deck when it leaves the field. You can only use this effect of "Malice, Lady of Lament" once per turn.

Malicevorous Fork

You can send 1 other Fiend-Type monster from your hand to the Graveyard; Special Summon this card from your hand.

Mamonaka the Vaylantz United

[ Pendulum Effect ]
You can activate 1 of these effects;
● Special Summon this card to your Main Monster Zone in its same column.
● Move 1 monster in your Main Monster Zone to an adjacent (horizontal) Monster Zone.
You can only use this effect of "Mamonaka the Vaylantz United" once per turn.

3 "Vaylantz" monsters
During the Main Phase (Quick Effect): You can target 1 Effect Monster in your opponent's Main Monster Zone; place that opponent's monster face-up as a Continuous Spell in their Spell & Trap Zone in its same column. (If the zone is occupied, destroy the occupying card, and if it is a Monster Card, your opponent loses LP equal to its ATK). You can only use this effect of "Mamonaka the Vaylantz United" once per turn. If this Special Summoned card you control is destroyed by your opponent's card effect: You can place this card in your Pendulum Zone.

Man Beast of Ares

After a Chain (of 2 or more Links) resolves, this card gains 500 ATK.

Man-Thro' Tro'

By Tributing 1 Normal Monster (except a Token) on your side of the field, inflict 800 points of damage to your opponent's Life Points.

Mannadium Prime-Heart

1+ Tuners + 1 LIGHT monster
This card can attack a number of times each Battle Phase, up to the number of Tuners used for its Synchro Summon. If this card was Synchro Summoned using a "Mannadium" Tuner as material, your opponent cannot target it with card effects. If this face-up Synchro Summoned card in its owner's control leaves the field because of an opponent's card: You can Special Summon 1 of your monsters with 1500 ATK/2100 DEF, or your "Visas Starfrost", that is banished or in your GY.

Mardel, Generaider Boss of Light

You can only control 1 "Mardel, Generaider Boss of Light". If this card is Normal or Special Summoned: You can add 1 "Generaider" card or 1 Plant monster from your Deck to your hand, except "Mardel, Generaider Boss of Light". You can only use this effect of "Mardel, Generaider Boss of Light" once per turn.

Marincess Mandarin

If you control 2 or more "Marincess" monsters, while this card is in your hand or GY: You can target 1 WATER Link Monster you control; Special Summon this card to your zone that monster points to, but banish it when it leaves the field. You can only use this effect of "Marincess Mandarin" once per turn.

Marionette Mite

You can discard this card to the GY, then target 1 Fiend or Zombie monster your opponent controls; take control of that target until the End Phase.

Marshmacaron

If this card is destroyed by battle or card effect: You can Special Summon up to 2 other "Marshmacaron" from your hand, Deck, and/or Graveyard. You can only use this effect of "Marshmacaron" once per turn.

Martyr of the Sacred Beasts

If this card is Normal or Special Summoned: You can place 1 "Sacred Beast" Field Spell or "Sacred Beast" Continuous Spell/Trap from your Deck face-up on your field. If you control another "Sacred Beast" monster: You can Special Summon 2 "Martyr of the Sacred Beasts" from your hand, Deck, and/or GY. During your opponent's End Phase, if this card and a Level 10 "Sacred Beast" monster are in your GY: You can add this card to your hand. You can only use each effect of "Martyr of the Sacred Beasts" once per turn.

Maryokutai

During your opponent's turn, when your opponent activates a Spell Card (Quick Effect): You can Tribute this card; negate the activation, and if you do, destroy it.

Masaki the Legendary Swordsman

Legendary swordmaster Masaki is a veteran of over 100 battles.

Masked Chopper

If this card destroys an opponent's monster by battle, inflict 2000 damage to your opponent.

Master Craftsman Gamil

During the Damage Step, when a face-up monster you control battles (Quick Effect): You can send this card from your hand to the GY; that monster gains 300 ATK until the end of this turn.

Master Peace, the True Dracoslayer

Cannot be Normal Summoned/Set. Must be Special Summoned (from your hand) by Tributing 1 "Dracoslayer" monster and 1 "Dracoverlord" monster, and cannot be Special Summoned by other ways. Once per turn, during either player's turn, when a card or effect is activated: You can negate the activation, and if you do, destroy that card. If this card in its owner's control is destroyed by an opponent's card (by battle or card effect): You can Special Summon 1 "Dracoslayer" monster and 1 "Dracoverlord" monster from your Deck.

Master Peace, the True Dracoslaying King 33

To Tribute Summon this card face-up, you can Tribute Continuous Spell/Trap Card(s) you control, as well as monsters. Unaffected by the effects of cards with the same card type (Monster, Spell, and/or Trap) as the original card type of the cards Tributed for its Tribute Summon. Once per turn, during either player's turn, if you control this Tribute Summoned monster: You can banish 1 Continuous Spell/Trap Card from your Graveyard, then target 1 other card on the field; destroy it.

Master Peace, the True Dracoverlord

Requires 3 Tributes to Normal Summon (cannot be Normal Set). To Tribute Summon this card face-up, you can Tribute Continuous Spells/Traps you control, as well as monsters. You can only use each of the following effects of "Master Peace, the True Dracoverlord" once per turn. When your opponent activates a monster effect in their hand or field and you control this Tribute Summoned card (Quick Effect): You can negate the activation, and if you do, destroy that monster. If this Tribute Summoned card is destroyed by battle, or is destroyed by an opponent's card effect while in its owner's Monster Zone: You can activate this effect; your opponent skips their next Main Phase.

Master's Diploman

If this card is Tribute Summoned: You can target 1 monster in your GY and 1 face-up monster your opponent controls; equip the monster from your GY to that opponent's monster. While equipped by this effect, the equipped monster loses ATK equal to the ATK of that monster equipped to it. Your opponent cannot activate the effects of monsters they control that are equipped with Equip Cards in your Spell & Trap Zones.

Matador Archfiend

You can Ritual Summon this card with "Ritual of the Matador". If this card is Ritual Summoned: You can add 2 "Archfiend" cards from your Deck to your hand, except "Matador Archfiend", also this card cannot attack for the rest of this turn. You can only use this effect of "Matador Archfiend" once per turn. Cannot be destroyed by battle, also you take no battle damage from battles involving this card. After damage calculation, if this card battled a monster: Destroy that monster, and if you do, inflict 1000 damage to your opponent.

Materiactor Exagard

2+ Level 3 monsters
You can detach 1 material from this card; either Special Summon 1 "Materiactor" monster from your Deck, or add 1 "Materiactor" Spell/Trap from your Deck to your hand. If your opponent Normal or Special Summons a monster(s) (except during the Damage Step): You can add up to 2 materials from this card to your hand, including a "Materiactor" card, then if a Normal Monster is in your GY, you can return 1 card on the field to the hand. You can only use each effect of "Materiactor Exagard" once per turn.

Materiactor Exareptor

You can reveal this card in your hand and discard 1 other card; add 1 Level 3 Normal Monster from your Deck or GY to your hand, except the discarded card, then you can Special Summon this card in Defense Position. You can only use this effect of "Materiactor Exareptor" once per turn. (Quick Effect): You can discard this card, then target 1 Rank 3 Xyz Monster you control; it gains 1500 ATK until the end of this turn.

Materiactor Gigaboros

2+ Level 3 monsters
Gains 500 ATK/DEF for each card in your hand. You can only use each of the following effects of "Materiactor Gigaboros" once per turn. You can detach 1 material from this card; attach 1 "Materiactor" monster from your Deck to this card as material. During your opponent's Main or Battle Phase (Quick Effect): You can add 1 card attached to this card to the hand.

Materiactor Gigadra

You can discard 1 card; Special Summon 1 Level 3 Normal Monster from your hand or Deck, or if you discarded a Normal Monster to activate this effect, you can Special Summon 1 "Materiactor" monster instead. You can only use this effect of "Materiactor Gigadra" once per turn. You cannot Special Summon monsters from the Extra Deck, except Xyz Monsters.

Materiactor Zeptwing

If you control a "Materiactor" card: You can Special Summon this card from your hand. If this card is Normal or Special Summoned, or flipped face-up: You can add 1 "Materiactor" card from your Deck to your hand, except "Materiactor Zeptwing", then you can either add to your hand or Special Summon, 1 Level 3 Normal Monster from your GY. You can only use each effect of "Materiactor Zeptwing" once per turn.

Mathmech Addition

You can target 1 face-up monster on the field; you cannot Special Summon monsters from the Extra Deck for the rest of this turn, except Cyberse monsters, also Special Summon this card from your hand (but it cannot attack this turn), and if you do, the targeted monster gains 1000 ATK until the end of this turn. You can only use this effect of "Mathmech Addition" once per turn.

Mathmech Circular 15

You can send 1 "Mathmech" monster, except "Mathmech Circular", from your Deck to your GY; Special Summon this card from your hand, also you can only attack with 1 monster for the rest of this turn. If a "Mathmech" monster is Normal or Special Summoned to your field while you control this monster (except during the Damage Step): You can add 1 "Mathmech" Spell/Trap from your Deck to your hand. You can only use each effect of "Mathmech Circular" once per turn.

Mathmech Subtraction

You can target 1 face-up monster on the field; you cannot Special Summon monsters from the Extra Deck for the rest of this turn, except Cyberse monsters, also Special Summon this card from your hand (but it cannot attack this turn), and if you do, the targeted monster loses 1000 ATK until the end of this turn. You can only use this effect of "Mathmech Subtraction" once per turn.

Matriarch of Nephthys

You can target 1 Level 4 or lower "Nephthys" monster in your GY, except "Matriarch of Nephthys"; destroy 1 card in your hand, and if you do, Special Summon the targeted monster in Defense Position, but negate its effects. During your next Standby Phase after this card was destroyed by card effect and sent to the GY: You can Special Summon this card from the GY. You can only use each effect of "Matriarch of Nephthys" once per turn.

Mecha Phantom Beast Raiten

You can discard 1 card; Special Summon 1 "Mecha Phantom Beast Token" (Machine/WIND/Level 3/ATK 0/DEF 0), also you can only use "Mecha Phantom Beast" monsters as Fusion, Synchro, Xyz, or Link Material for a Summon, for the rest of this turn. This card's Level is increased by the total Levels of all "Mecha Phantom Beast Tokens" you control. While you control a Token, this card cannot be destroyed by battle or card effects.

Mecha Phantom Beast Warbluran

If this card is sent to the Graveyard for the Synchro Summon of a Machine-Type monster: Special Summon 1 "Mecha Phantom Beast Token" (Machine-Type/WIND/Level 3/ATK 0/DEF 0), also, for the rest of this turn, you cannot Special Summon any other monsters, except WIND monsters. While you control a Token, this card cannot be destroyed by battle or card effects. You can Tribute 1 other "Mecha Phantom Beast" monster; increase this card's Level by 1. You can only use 1 "Mecha Phantom Beast Warbluran" effect per turn, and only once that turn.

Mecha-Dog Marron

When this card is destroyed by battle and sent to the Graveyard, inflict 1000 damage to both players. When this card on the field is destroyed and sent to the Graveyard except by battle, inflict 1000 damage to your opponent.

Mechanical Mechanic

When an attack is declared involving your other Machine monster: You can increase or decrease the Level of that other monster you control by 1. You can only use each of the following effects of "Mechanical Mechanic" once per turn. If a card is in the Field Zone: You can Special Summon this card from your hand. You can target 1 face-up Spell/Trap you control; destroy it, and if you do, add 1 WIND Machine monster with 0 ATK from your Deck to your hand, also you cannot Special Summon from the Extra Deck for the rest of this turn, except Machine monsters.

Medius the Pure 5

If this card is Normal or Special Summoned: You can add to your hand, or Special Summon, 1 "Power Patron" monster from your Deck. If this card is in your GY: You can shuffle 1 monster from your hand or face-up field into the Deck, and if you do, Special Summon this card, but banish it when it leaves the field. You can only use each effect of "Medius the Pure" once per turn.

Megarock Dragon

This card cannot be Normal Summoned or Set. This card cannot be Special Summoned except by removing from play a Rock-Type monster(s) in your Graveyard. The original ATK and DEF of this card become the number of Rock-Type monsters you removed from play when you Special Summoned this card x 700.

Mekk-Knight Indigo Eclipse

If 2 or more cards are in the same column, you can Special Summon this card (from your hand) in that column. You can only Special Summon "Mekk-Knight Indigo Eclipse" once per turn this way. Once per turn (Quick Effect): You can target 1 "Mekk-Knight" monster you control; move that target to another of your Main Monster Zones.

Meklord Astro Dragon Asterisk

Cannot be Normal Summoned/Set. Must first be Special Summoned (from your hand) by controlling 3 or more "Meklord" monsters. When this card is Special Summoned: You can target any number of "Meklord" monsters you control, except this card; send those targets to the Graveyard, and if you do, this card's ATK becomes the combined original ATK of the monsters sent to the Graveyard by this effect. Each time a Synchro Monster(s) is Special Summoned: Inflict 1000 damage to the Summoning player.

Meklord Astro Mekanikle

Cannot be Normal Summoned/Set. Must be Special Summoned (from your hand) by sending 3 "Meklord" monsters from your hand to the Graveyard, and cannot be Special Summoned by other ways. Once per turn: You can target 1 Synchro Monster your opponent controls; equip that target to this card. This card gains ATK equal to the combined ATK of the monsters equipped to it by this effect. Once per turn, during your Standby Phase: You can send 1 of these equipped monsters you control to the Graveyard; inflict damage to your opponent equal to that monster's original ATK. You cannot conduct your Battle Phase the turn you activate this effect.

Meklord Emperor Granel

Cannot be Normal Summoned/Set. Must be Special Summoned by its own effect, and cannot be Special Summoned by other ways. When a face-up monster you control is destroyed by a card effect and sent to the Graveyard (except during the Damage Step): You can Special Summon this card from your hand. This card gains ATK and DEF equal to half your LP. Once per turn: You can target 1 Synchro Monster your opponent controls; equip that target to this card. This card gains ATK equal to the combined ATK of the monsters equipped to it by this effect. You can target 1 of these equipped monsters; Special Summon that target to your side of the field in Defense Position.

Meklord Emperor Skiel

Cannot be Normal Summoned/Set. Must be Special Summoned by its own effect, and cannot be Special Summoned by other ways. When a face-up monster you control is destroyed by a card effect and sent to the Graveyard (except during the Damage Step): You can Special Summon this card from your hand. Other monsters you control cannot declare an attack. Once per turn: You can target 1 Synchro Monster your opponent controls; equip that target to this card. This card gains ATK equal to the combined ATK of the monsters equipped to it by this effect. You can send 1 monster you control that is equipped to this card to the Graveyard; this card can attack your opponent directly this turn.

Meklord Emperor Wisel

Cannot be Normal Summoned/Set. Must be Special Summoned by its own effect, and cannot be Special Summoned by other ways. When a face-up monster you control is destroyed by a card effect and sent to the Graveyard (except during the Damage Step): You can Special Summon this card from your hand. Other monsters you control cannot declare an attack. Once per turn: You can target 1 Synchro Monster your opponent controls; equip that target to this card. This card gains ATK equal to the combined ATK of the monsters equipped to it by this effect. Once per turn, during either player's turn, when your opponent activates a Spell Card: You can negate the activation, and if you do, destroy it.

Meklord Emperor Wisel - Synchro Absorption

Cannot be Normal Summoned/Set. Must be Special Summoned by its own effect. During your opponent's turn (Quick Effect): You can send 1 face-up "Meklord" monster you control to the GY; Special Summon this card from your hand. You can only use this effect of "Meklord Emperor Wisel - Synchro Absorption" once per turn. If this card is Special Summoned: You can target 1 monster your opponent controls; it cannot attack for the rest of this turn. When a card or effect is activated that would destroy a card(s) on the field (Quick Effect): You can Tribute this card; negate the activation, and if you do, destroy that card.

Meklord Nucleus Infinity Core

The first time this card would be destroyed by battle each turn, it is not destroyed. You can only use each of the following effects of "Meklord Nucleus Infinity Core" once per turn. If this card is Normal or Special Summoned: You can add 1 "Meklord" Spell/Trap from your Deck to your hand. If this card is destroyed by card effect: You can Special Summon 1 "Meklord Emperor" monster from your hand or Deck with a different Attribute from the monsters you control, ignoring its Summoning conditions, also for the rest of this turn, you can only declare an attack with 1 monster.

Melffy Catty

If your opponent Normal or Special Summons a monster(s) (except during the Damage Step), or if an opponent's monster targets this card for an attack: You can return this card to the hand, then you can add 1 Beast monster from your Deck to your hand, except "Melffy Catty". During your End Phase: You can Special Summon this card from your hand. You can only use each effect of "Melffy Catty" once per turn.

Melffy Mommy

2+ Level 2 Beast monsters
Once per turn (Quick Effect): You can attach 1 Beast monster from your hand or face-up field to this card as material. This card gains effects based on the number of materials attached to it.
● 3+: Cannot be destroyed by battle.
● 4+: You take no damage from battles involving this card.
● 5+: When an attack is declared involving this card and an Attack Position monster: You can inflict damage to your opponent equal to that Attack Position monster's ATK.

Mementoal Tecuhtlica - Combined Creation

Cannot be Normal Summoned/Set. Must be Special Summoned (from your hand or GY) by shuffling 5 other "Memento" monsters with different names from your hand and/or GY into the Deck/Extra Deck. While you control no other monsters, this card can attack all monsters your opponent controls, once each. Once per turn, if your opponent activates a card or effect (except during the Damage Step): You can Special Summon 1 "Memento" monster from your hand or GY.

Mementotlan Goblin

During the Main Phase, if you control "Mementoal Tecuhtlica - Combined Creation" (Quick Effect): You can discard this card; for the rest of this turn, your opponent cannot target "Memento" monsters you control with card effects. During your Main Phase: You can destroy 1 "Memento" monster you control, and if you do, send up to 2 "Memento" cards with different names from each other from your Deck to the GY, except "Mementotlan Goblin". You can only use each effect of "Mementotlan Goblin" once per turn.

Mercurium the Living Quicksilver 10

2+ Level 10 monsters
If this card is Xyz Summoned: You can attach 1 monster from your Deck to this card as material. You can only use this effect of "Mercurium the Living Quicksilver" once per turn. While this card has material, your opponent cannot activate the effects of monsters in their GY with the same Attribute as a monster in your GY. Once per turn, during the End Phase: Detach 1 material from this card or take 3000 damage.

Mermail Abyssnose

When this card destroys an opponent's monster by battle and sends it to the Graveyard: You can discard 1 WATER monster to the Graveyard; Special Summon 1 "Mermail" monster from your Deck in face-up Defense Position. You can only use the effect of "Mermail Abyssnose" once per turn.

Metaion, the Timelord

Cannot be Special Summoned from the Deck. If you control no monsters, you can Normal Summon this card without Tributing. Cannot be destroyed by battle or card effects. You take no battle damage from attacks involving this Attack Position card. At the end of the Battle Phase, if this card battled: Return as many monsters on the field as possible to the hand (other than this card), and if you do, inflict 300 damage to your opponent for each card returned. Once per turn, during your Standby Phase: Shuffle this card into the Deck.

Metal Illusionist

Increase this card's Level by 4 during your opponent's turn only. You can only use each of the following effects of "Metal Illusionist" once per turn. If this card is Normal or Special Summoned: You can Set 1 "Metalmorph" Trap from your Deck, then if "Max Metalmorph" is in your GY, you can draw 1 card. You can declare 1 other Monster Type; this card becomes that Type, until the end of your opponent's turn.

Metal Shooter

When this card is Normal Summoned, place 2 counters on it. This card gains 800 ATK for each of these counters on it. If this card would be destroyed by a card effect, remove 1 of this card's counters instead.

Metalfoes Adamante

1 "Metalfoes" monster + 1 monster with 2500 or less ATK

Metalfoes Crimsonite

1 "Metalfoes" monster + 2 monsters with 3000 or less ATK

Metaltron XII, the True Dracombatant

Requires 3 Tributes to Normal Summon (cannot be Normal Set). To Tribute Summon this card face-up, you can Tribute Continuous Spell/Trap Card(s) you control, as well as monsters. Unaffected by the effects of cards with the same card type (Monster, Spell, and/or Trap) as the original card type of the cards Tributed for its Tribute Summon. If this Tribute Summoned monster in its owner's control is destroyed by an opponent's card (by battle or card effect): You can Special Summon 1 Fusion, Synchro, or Xyz Monster that is EARTH, WATER, FIRE, or WIND from your Extra Deck.

Meteor Rush - Monochroid

During the Battle Phase, if 5 or more attacks have been declared this turn (Quick Effect): You can Special Summon this card from your hand. You can only use this effect of "Meteor Rush - Monochroid" once per turn. If this card battles, it gains 1000 ATK for each attack declared this turn, during the Damage Step only.

Michion, the Timelord

Cannot be Special Summoned from the Deck. If you control no monsters, you can Normal Summon this card without Tributing. Cannot be destroyed by battle or card effects. You take no battle damage from attacks involving this card. At the end of the Battle Phase, if this card battled: Halve your opponent's LP. Once per turn, during your Standby Phase: Shuffle this card into the Deck.

Millennium Seeker

When you take 1000 or more battle or effect damage: You can Special Summon this card from your hand. You can target 1 monster in your opponent's GY, except a monster with ? ATK; your opponent can choose 1 monster from their Deck, except a monster with ? ATK. If they chose not to, or if the targeted monster has higher ATK than the chosen monster, Special Summon the targeted monster to your field, and if you do, shuffle the chosen monster back into the Deck. Otherwise, your opponent adds the chosen monster to the hand. You can only use each effect of "Millennium Seeker" once per turn.

Millennium-Eyes Restrict

"Relinquished" + 1 Effect Monster
Once per turn, when your opponent activates a monster effect (Quick Effect): You can target 1 Effect Monster your opponent controls or in their GY; equip that target to this card you control. This card gains ATK/DEF equal to that equipped monster's. Monsters with that equipped monster's name cannot attack, also their effects on the field and their activated effects are negated.

Mimighoul Fairy

FLIP: If it is the Main Phase: Apply these effects in sequence.
● This turn, you cannot activate the effects of monsters Special Summoned from your hand.
● Give control of this card to your opponent.
During your Main Phase: You can Special Summon this card from your hand to your opponent's field in face-down Defense Position, or if you control a "Mimighoul" monster, you can Special Summon this card face-up on your field. You can only use each effect of "Mimighoul Fairy" once per turn.

Mimikuril

During your Main Phase: You can excavate the top card of your Deck, and if it is a monster, Special Summon it, and if you do, place this card on the bottom of the Deck. If it wasn't a monster, or couldn't be Special Summoned, place it on the bottom of the Deck. Place the monster Special Summoned by this effect on the bottom of the Deck during the End Phase. You can only use this effect of "Mimikuril" once per turn.

Mimimic

If your opponent controls a monster and you control a Level 3 monster, you can Special Summon this card (from your hand). You can only Special Summon "Mimimic" once per turn this way.

Mind Procedure

If this card you control would be used as Synchro Material for a Psychic monster, you can treat it as a non-Tuner. You can only use 1 of the following effects of "Mind Procedure" per turn, and only once that turn. If this card is Normal Summoned, or Special Summoned by a monster effect: You can pay 2000 LP; add 1 "Teleport" Normal or Quick-Play Spell from your Deck or GY to your hand. If this card is banished: You can pay 1000 LP; Special Summon it.

Minefieldriller

When this face-up card you control leaves the field and is still in your possession: You can target 1 Field Spell Card in your Graveyard; add that target to your hand.

Minimalian

You can banish 1 other card from your hand; Special Summon this card from your hand. You can banish 1 face-up Level 4 or lower monster you control; Special Summon 1 monster from your Deck with the same original Type and Attribute that the banished monster had on the field, but 1 or 2 Levels lower than its original Level. You can only use each effect of "Minimalian" once per turn.

Mira Match

If this card is in your hand: You can reveal 3 cards with different names from your hand and/or Deck that match the names of 3 different cards in your opponent's GY, and if you do, Special Summon this card. When your opponent activates a card or effect (Quick Effect): You can send this card Summoned by its previous effect to the GY; send 1 card with the same name as that opponent's card from your Deck or Extra Deck to the GY, and if you do, negate the activation. You can only use each effect of "Mira Match" once per turn.

Miracle Ejector

(This card is always treated as an "Elemental HERO" card.)
If this card is in your hand: You can send 1 "Neo-Spacian" monster from your Deck to the GY; Special Summon this card. If this card is Normal or Special Summoned: You can add 1 Spell/Trap that mentions an "Elemental HERO" monster's card name from your Deck to your hand. If this card is sent to the GY: You can target 1 card in your opponent's GY; banish it. You can only use each effect of "Miracle Ejector" once per turn.

Miracle Raven

[ Pendulum Effect ]
Once per turn, during your Main Phase: You can Ritual Summon this card, by Tributing monsters from your hand or field whose total Levels equal or exceed 1.

You can Ritual Summon this card with "Miracle Raven". Must be Ritual Summoned. This Ritual Summoned card is unaffected by your opponent's activated effects. If you Ritual Summon exactly 1 Ritual Monster with a card effect that requires use of monsters, this card you control can be used as the entire Tribute. If this card is Tributed for a Ritual Summon: You can add 1 Ritual Monster from your Deck to your hand. You can only use this effect of "Miracle Raven" once per turn.

Mirror Ladybug

If you control at least 1 face-up monster and have no monsters in your Graveyard, you can Special Summon this card from your hand. When this card is Special Summoned this way, this card's Level becomes equal to the total Levels of all other monsters you control. If the Level of this card is higher than 12, destroy this card.

Mirror Resonator

If your opponent controls a face-up monster(s) that was Special Summoned from the Extra Deck and you do not, while this card is in your hand or Graveyard: You can Special Summon this card, but banish it when it leaves the field. You can only use this effect of "Mirror Resonator" once per turn. Once per turn: You can target 1 face-up monster your opponent controls; treat this card's Level as that monster's original Level if this card is used for a Synchro Summon this turn.

Mist Valley Shaman

Once per turn, you can return 1 other monster you control to the hand, to have this card gain 500 ATK until the End Phase.

Mitsurugi no Miko, Wousu

You can Special Summon this card (from your hand) by Tributing 1 other Reptile monster from your hand and 1 monster your opponent controls, but you cannot Special Summon nor activate monster effects for the rest of this turn, except Reptile monsters. You can only Special Summon "Mitsurugi no Miko, Wousu" once per turn this way. If this card is Tributed: You can discard 1 card, and if you do, add this card to your hand. You can only use this effect of "Mitsurugi no Miko, Wousu" once per turn.

Mogmole

When this card on the field is destroyed and sent to the Graveyard: You can Special Summon it from your Graveyard in face-up Defense Position. You can only use the effect of "Mogmole" once per Duel.

Moissa Knight, the Comet General

[ Pendulum Effect ]
If you Pendulum Summon a monster(s): Place this card on either the top or bottom of the Deck.

When you draw this card: You can reveal it; during your Main Phase this turn, you can conduct 1 Pendulum Summon of a monster(s) from your hand in addition to your Pendulum Summon. (You can only gain this effect once per turn.)

Moja

When this card is destroyed by battle and sent to the Graveyard, you can add 1 Level 4 Beast-Type monster from your Graveyard to your hand.

Mokomoko

FLIP: Draw 1 card.
During your Main Phase: You can change this card to face-down Defense Position.
You can only use each of the preceding effects of "Mokomoko" once per turn. If this card battles a monster, neither can be destroyed by that battle.

Mono Synchron

When using this card as Synchro Material, the other Synchro Material(s) must be Level 4 or lower Warrior or Machine-Type monsters, and they are treated as Level 1.

Monoceros

This card cannot be Normal Summoned or Set. This card can only be Special Summoned by removing from play 1 Spell Card from your hand. When you Synchro Summon using this card and a Beast-Type Tuner monster as the Synchro Material Monsters, you can select 1 Beast-Type Tuner monster used for the Synchro Summon and Special Summon it from the Graveyard.

Morph King Stygi-Gel

If this card is Normal or Special Summoned: You can target 1 other face-up monster on the field; you cannot Special Summon monsters from the Extra Deck, except Synchro Monsters, for the rest of this turn, also change this card's Level to the Level of that target, and if you do, gain LP equal to that target's Level x 200. During your Main Phase: You can Special Summon 1 Fiend monster with a Level lower than this card from your hand. You can only use this effect of "Morph King Stygi-Gel" once per turn.

Morphtronic Celfon

● While in Attack Position: Once per turn, you can roll a six-sided die. Reveal cards from top of your Deck equal to the roll and Special Summon 1 Level 4 or lower "Morphtronic" monster from among them, ignoring the Summoning conditions. Shuffle the rest into the Deck.
● While in Defense Position: Once per turn, you can roll a six-sided die. Look at cards from top of your Deck equal to the roll, then return them in the same order.

Morphtronic Lantron

● While in Attack Position: Any effect damage you would take from an opponent's card effect is inflicted to your opponent instead.
● While in Defense Position: When this card is destroyed by battle and sent to the Graveyard, you take no Battle Damage this turn.

Morphtronic Magnen

● While in Attack Position: If your opponent controls a face-up monster, this card can only select their highest ATK monster as an attack target. ● While in Defense Position: Your opponent cannot select another monster as an attack target.

Morphtronic Magnen Bar

● While in Attack Position: Once per turn, if you control exactly 2 other face-up Attack Position monsters, and no additional monsters, this card gains the combined ATK of the other two monsters you control until the End Phase. The other two monsters cannot attack the turn you activate this effect.
● While in Defense Position: Monsters you control cannot attack.

Morphtronic Smartfon

Cannot be Normal Summoned/Set. Must first be Special Summoned (from your hand) by banishing 1 "Morphtronic" monster from your Graveyard.
● While in Attack Position: Once per turn: You can roll a six-sided die, excavate that many cards from the top of your Deck, add 1 excavated "Morphtronic" card to your hand, also shuffle the rest back into the Deck.
● While in Defense Position: Once per turn: You can roll a six-sided die, look at that many cards from the top of your Deck, then place all of them on either the top or the bottom of the Deck, but in any order.

Morphtronic Telefon 55

● Attack Position: Once per turn, during your Main Phase: You can roll a six-sided die and gain LP equal to the result x 100, then you can Special Summon 1 "Morphtronic" monster from your GY with a Level equal to or lower than the result.
● Defense Position: Once per turn, during your Main Phase: You can roll a six-sided die, excavate that many cards from the top of your Deck (or as many as you can), and if you do, you can send 1 excavated "Morphtronic" card to the GY, also place the rest on either the top or bottom of the Deck in any order.

Morphtronic Vacuumen

● While in Attack Position: Once per turn, you can send 1 Equip Card equipped to this card to the Graveyard to inflict 500 damage to your opponent.
● While in Defense Position: Once per turn, you can equip 1 face-up Attack Position monster your opponent controls to this card as an Equip Card. (You can only equip 1 monster at a time to this card by this effect.)

Morphtronic Videon

● While in Attack Position: This card gains 800 ATK for each Equip Card equipped to it.
● While in Defense Position: This card gains 800 DEF for each Equip Card equipped to it.

Mystery Hand

''This monster twists reality and reaches between dimensions to attack its enemies.''

Mystic Piper

You can Tribute this card to draw and reveal 1 card. If that card is a Level 1 Monster Card, draw 1 more card. The effect of "Mystic Piper" can only be activated once per turn.

Mystical Capture Chain

''A mystical chain that binds enemies, rendering them immobile.''

Mystical Shine Ball

A soul of light covered by mystical shine. When you see its beautiful shape, your dream will come true.

Mythical Beast Cerberus

Each time a Spell Card is activated, place 1 Spell Counter on this card when that Spell resolves. Gains 500 ATK for each Spell Counter on it. At the end of the Battle Phase, if this card battled, remove all Spell Counters on it.

Mythical Beast Master Cerberus

[ Pendulum Effect ]
If you have no card in your other Pendulum Zone: You can destroy this card, and if you do, add 1 Level 7 or lower "Mythical Beast" Effect Monster from your Deck to your hand. You can only use this effect of "Mythical Beast Master Cerberus" once per turn.

Each time a Spell Card is activated, place 2 Spell Counters on this card when that Spell resolves. Cannot be destroyed by card effects while 4 or more Spell Counters are on your field. Once per turn: You can remove 4 Spell Counters from your field, then target 1 monster your opponent controls; banish it face-up, and if you do, this card gains ATK equal to the banished monster's original ATK until the end of the opponent's turn.

Mythical Beast Medusa

[ Pendulum Effect ]
If you have no card in your other Pendulum Zone: You can target 1 monster in your GY that you can place a Spell Counter on; destroy this card, and if you do, Special Summon that monster, and if you do that, place 1 Spell Counter on it. You can only use this effect of "Mythical Beast Medusa" once per turn.

Each time a Spell Card is activated, place 1 Spell Counter on this card when that Spell resolves. Once per turn, during the Battle Phase (Quick Effect): You can remove 2 Spell Counters from your field, then target 1 face-up monster on the field; its ATK/DEF become half its current ATK/DEF until the end of this turn.

Myutant Beast

Cannot be Special Summoned, except with the effect of a "Myutant" card. Your opponent cannot target this card with monster effects. You can only use each of the following effects of "Myutant Beast" once per turn. When your opponent activates a Spell Card or effect (Quick Effect): You can banish 1 card from your hand or field; negate the activation, and if you do, banish that card. If this card in its owner's possession is destroyed by an opponent's card: You can target 1 of your banished "Myutant" Traps; add it to your hand.

Myutant GB-88

During your opponent's Main Phase, if "Myutant Evolution Lab" is in your Field Zone (Quick Effect): You can Special Summon this card from your hand. If this card is Special Summoned during your opponent's turn: You can Tribute this card, then banish 1 card from your hand or face-up field; Special Summon 1 of your Level 8 "Myutant" monsters that is banished or in your GY. You can only use each effect of "Myutant GB-88" once per turn.