Heroic Challenger - Ambush Soldier

During your Standby Phase: You can Tribute this card; Special Summon up to 2 "Heroic Challenger" monsters from your hand and/or Graveyard, except "Heroic Challenger - Ambush Soldier". You can only use this effect of "Heroic Challenger - Ambush Soldier" once per turn. When you do: You can banish this card from your Graveyard; make all "Heroic Challenger" monsters you currently control become Level 1.

Heroic Challenger - Extra Sword

An Xyz Monster that was Summoned using this card as Xyz Material gains this effect.
● When it is Xyz Summoned: It gains 1000 ATK.

Heroic Champion - Excalibur

2 Level 4 Warrior-Type monsters
Once per turn: You can detach 2 Xyz Materials from this card; this card's ATK becomes double its original ATK until your opponent's next End Phase.

Heroic Champion - Magnum Excalibur

2 Level 4 Warrior monsters
If this card battles an opponent's monster, during damage calculation: You can detach 2 materials from this card; double this card's ATK during damage calculation only. Once per turn, during the Main Phase (Quick Effect): You can target 1 other face-up monster you control; equip this card you control to it as an Equip Spell that gives it 2000 ATK/DEF. You can banish this card from your GY; shuffle 3 Warrior monsters from your GY into the Deck.

Hieratic Seal of the Dragon King

This card is treated as a Normal Monster while face-up on the field or in the Graveyard. While this card is face-up on the field, you can Normal Summon it to have it become an Effect Monster with this effect.
● You can Tribute this card; Special Summon 1 "Hieratic" monster, except "Hieratic Seal of the Dragon King", from your hand, Deck or Graveyard, in face-up Defense Position.

Hieratic Seal of the Sun Dragon Overlord

A mysterious engraved Hieratic relic. It was thought to be a simple stone, but it was actually infused with the power of a sun-wielding dragon. Aeons passed, and the power of the relic grew and grew until it finally shone like the sun itself.

Hojo the Vaylantz Warrior

[ Pendulum Effect ]
If "Vaylantz World - Shinra Bansho" is in a Field Zone or if you control a WATER "Vaylantz" monster: You can Special Summon this card to your Main Monster Zone in its same column. You can only use this effect of "Hojo the Vaylantz Warrior" once per turn.

You can target 1 face-up card in either Spell & Trap Zone; return it to the hand. If this card in the Monster Zone moves to another Monster Zone (except during the Damage Step): You can Fusion Summon 1 "Vaylantz" Fusion Monster from your Extra Deck, using monsters from your hand, field, and/or Pendulum Zones. You can only use each effect of "Hojo the Vaylantz Warrior" once per turn.

Holactie the Creator of Light

Cannot be Normal Summoned/Set. Must be Special Summoned (from your hand) by Tributing 3 monsters whose original names are "Slifer the Sky Dragon", "Obelisk the Tormentor", and "The Winged Dragon of Ra". This card's Special Summon cannot be negated. The player that Special Summons this card wins the Duel.

Horus' Servant

Your opponent cannot target face-up "Horus the Black Flame Dragon" monsters with Spells, Traps, or card effects.

Hrimnir the Divine Follower

You can Tribute 3 Fairy monsters from your hand and/or field; Set 1 Continuous Spell from your Deck, but send it to the GY during your opponent's End Phase. If this card is sent to the GY by card effect: You can Special Summon this card, but banish it when it leaves the field. You can only use each effect of "Hrimnir the Divine Follower" once per turn.

Hu-Li the Jewel Mikanko

If this card is not equipped with an Equip Card, you take no damage from battles involving this card. If this card is equipped with an Equip Card, it cannot be destroyed by battle and your opponent takes any battle damage you would have taken from battles involving this card. While you control an Equip Card, your opponent cannot target "Mikanko" cards you control with card effects. If either player equips an Equip Card(s) to this card: You can add 1 "Mikanko" Trap from your Deck to your hand. You can only use this effect of "Hu-Li the Jewel Mikanko" once per turn.

Hugin the Runick Wings

2 "Runick" monsters
If this card is Special Summoned from the Extra Deck: You can discard 1 card; add 1 "Runick" Field Spell from your Deck to your hand. If another card(s) you control would be destroyed by card effect, you can banish this card you control instead. If this card on the field is destroyed by battle or card effect: Return this card to the Extra Deck.

Icejade Acti

If this card is Normal or Special Summoned: You can send 1 WATER monster from your hand to the GY; draw 1 card. If a face-up WATER monster(s) you control is destroyed by battle or card effect, while this card is in your GY: You can banish this card; Special Summon 1 "Icejade" monster from your hand or GY, except "Icejade Acti". You can only use each effect of "Icejade Acti" once per turn.

Icejade Creation Aegirocassis

While this card is equipped to a monster, the equipped monster gains 400 ATK/DEF for each banished monster. You can only use 1 of the following effects of "Icejade Creation Aegirocassis" per turn, and only once that turn. If this card is in your hand or GY (except during the Damage Step) (Quick Effect): You can target 1 "Icejade" monster you control; equip this card to that monster you control. While this card is equipped to a monster: You can Special Summon this card.

Icejade Creation Kingfisher

You can target 1 WATER monster you control; equip this card from your hand or field to it. An "Icejade" monster equipped with this card can attack while in Defense Position. If it does, apply its DEF for damage calculation. While this card is equipped to a monster: You can target 1 monster your opponent controls with ATK less than or equal to the equipped monster's DEF; Special Summon this card, and if you do, return that targeted monster to the hand. You can only use this effect of "Icejade Creation Kingfisher" once per turn.

Icejade Tinola

You can send 1 card from your hand to the GY, then target 1 WATER monster in your GY; send this card from the field to the GY, and if you do, Special Summon the targeted monster. If a face-up WATER monster(s) you control is destroyed by battle or card effect, while this card is in your GY: You can banish this card; Special Summon 1 "Icejade" monster from your hand or GY, except "Icejade Tinola". You can only use each effect of "Icejade Tinola" once per turn.

Icejade Tremora

You can send this card from your hand to the GY; Special Summon 1 WATER monster from your hand. If a face-up WATER monster(s) you control is destroyed by battle or card effect, while this card is in your GY: You can banish this card; Special Summon 1 "Icejade" monster from your hand or GY, except "Icejade Tremora". You can only use each effect of "Icejade Tremora" once per turn.

Ichiki Sayori-Hime 5

Cannot be Special Summoned. Once per turn, during the End Phase, if this card was Normal Summoned or flipped face-up this turn: Return this card to the hand. You can only use each of the following effects of "Ichiki Sayori-Hime" once per turn. If you control a monster with 800 ATK or DEF, and this card is in your hand: Immediately after this effect resolves, you can Normal Summon this card. If this card is Normal Summoned: You can add 1 Level 4 LIGHT or DARK monster with 800 ATK or DEF from your Deck to your hand, except "Ichiki Sayori-Hime".

Illegal Knight

During the Main Phase, if you control no monsters, or control an "Adventurer Token" (Quick Effect): You can Special Summon this card from your hand. If you control an "Adventurer Token" (Quick Effect): You can target up to 2 cards your opponent controls; give control of this card to your opponent, and if you do, return that card(s) to the hand. You can only use each effect of "Illegal Knight" once per turn.

Imairuka

If this card you control is destroyed by your opponent's card and sent to your GY: Send the top card of your Deck to the GY, then, if it is a WATER monster, draw 1 card.

Impcantation Bookstone

You can reveal 1 Ritual Spell in your hand; Special Summon both this card from your hand and 1 "Impcantation" monster from your Deck, except "Impcantation Bookstone". If this card is Special Summoned from the Deck: You can target 1 Ritual Spell in your GY; add it to your hand. You can only use 1 "Impcantation Bookstone" effect per turn, and only once that turn. You cannot Special Summon monsters from the Extra Deck.

Impcantation Candoll

You can reveal 1 Ritual Spell in your hand; Special Summon both this card from your hand and 1 "Impcantation" monster from your Deck, except "Impcantation Candoll". If this card is Special Summoned from the Deck: You can add 1 Ritual Spell from your Deck to your hand. You can only use 1 "Impcantation Candoll" effect per turn, and only once that turn. You cannot Special Summon monsters from the Extra Deck.

Impcantation Penciplume

You can reveal 1 Ritual Monster in your hand; Special Summon both this card from your hand and 1 "Impcantation" monster from your Deck, except "Impcantation Penciplume". If this card is Special Summoned from the Deck: You can target 1 Ritual Monster in your GY; add it to your hand. You can only use 1 "Impcantation Penciplume" effect per turn, and only once that turn. You cannot Special Summon monsters from the Extra Deck.

Impcantation Talismandra

You can reveal 1 Ritual Monster in your hand; Special Summon both this card from your hand and 1 "Impcantation" monster from your Deck, except "Impcantation Talismandra". If this card is Special Summoned from the Deck: You can add 1 Ritual Monster from your Deck to your hand. You can only use 1 "Impcantation Talismandra" effect per turn, and only once that turn. You cannot Special Summon monsters from the Extra Deck.

Imperial Bower

If you control no other monsters: You can Tribute this card; take 2 different monsters from your Deck among "Queen's Knight", "King's Knight", and/or "Jack's Knight", and either add to your hand or Special Summon each monster. You can only use this effect of "Imperial Bower" once per turn.

Imperion Magnum the Superconductive Battlebot

"Valkyrion the Magna Warrior" + "Berserkion the Electromagna Warrior"
Must be Fusion Summoned with the above Fusion Materials and cannot be Special Summoned by other ways. Once per turn, during either player's turn, when your opponent activates a Spell/Trap Card, or monster effect: You can negate the activation, and if you do, destroy that card. If this face-up card in its owner's control leaves the field because of an opponent's card effect: You can Special Summon both 1 "Valkyrion the Magna Warrior" and 1 "Berserkion the Electromagna Warrior" from your hand and/or Deck, ignoring their Summoning conditions.

Incredible Ecclesia, the Virtuous 3

If your opponent controls more monsters than you do, you can Special Summon this card (from your hand). You can only Special Summon "Incredible Ecclesia, the Virtuous" once per turn this way. You can only use each of the following effects of "Incredible Ecclesia, the Virtuous" once per turn. During the Main Phase (Quick Effect): You can Tribute this card; Special Summon 1 "Swordsoul" monster or 1 "Fallen of Albaz" from your hand or Deck. During the End Phase, if a Fusion Monster(s) was sent to your GY this turn: Add this card from the GY to your hand.

Indiora Doom Volt the Cubic Emperor

Cannot be Normal Summoned/Set. Must be Special Summoned (from your hand) by sending 3 "Cubic" monsters you control to the Graveyard, and cannot be Special Summoned by other ways. If Summoned this way, this card gains 2400 ATK. If this card is Special Summoned from the hand: Inflict 800 damage to your opponent. If this card in your possession is sent to your Graveyard by your opponent's card (by battle or card effect): You can target up to 3 "Cubic" monsters in your Graveyard; Special Summon them, then you can add 1 "Cubic" card from your Deck or Graveyard to your hand.

Infernity Avenger

When a monster you control, except "Infernity Avenger", is destroyed by battle with an opponent's monster and sent to the Graveyard, while you have no cards in your hand, you can Special Summon this card from your Graveyard. In that case, the Level of this card is equal to the Level of your destroyed monster.

Infernity Doom Slinger

During your Main Phase: You can Special Summon 1 Fiend monster from your hand. If you have no cards in your hand (Quick Effect): You can banish this card from your GY; your opponent chooses 1 of these effects for you to apply.
● Reveal the top card of your Deck, and if it is a monster, your opponent takes any effect damage you would have taken this turn instead. Otherwise, you take 4000 damage.
● You take no effect damage this turn.
You can only use each effect of "Infernity Doom Slinger" once per turn.

Infernity Mirage

This card cannot be Special Summoned from the Graveyard. If you have no cards in your hand, you can Tribute this card to select 2 "Infernity" monsters in your Graveyard. Special Summon those monsters.

Infernity Pawn

During your Draw Phase, if you have no cards in your hand, instead of conducting your normal draw: You can banish this card from your GY, then activate 1 of these effects;
● Place 1 "Infernity" card from your Deck on top of your Deck.
● Set 1 "Void" Spell/Trap directly from your Deck.

Infernoble Knight - Renaud

If you control a FIRE Warrior monster, you can Special Summon this card (from your hand). If Summoned this way, treat this card as a Tuner. You can only Special Summon "Infernoble Knight - Renaud" once per turn this way. If this card is Special Summoned: You can target 1 of your FIRE Warrior monsters, or 1 of your Equip Spells, that is banished or in your GY, except "Infernoble Knight - Renaud"; add it to your hand. You can only use this effect of "Infernoble Knight - Renaud" once per turn.

Infernoble Knight - Roland

(Quick Effect): You can target 1 face-up monster you control; equip this card from your hand to that target as an Equip Spell that gives that card 500 ATK. During the End Phase, if this card is in the GY because it was sent there this turn: You can add 1 FIRE Warrior monster, except "Infernoble Knight - Roland", or 1 Equip Spell from your Deck to your hand. You can only use each effect of "Infernoble Knight - Roland" once per turn.

Infernoid Devyaty

Cannot be Normal Summoned/Set. Must be Special Summoned (from your hand or GY) by banishing 3 "Infernoid" monsters from your hand or GY while the total Levels and Ranks of all Effect Monsters you control are 8 or lower. When this card is Special Summoned: You can destroy all Spells and Traps on the field, except "Void" cards. Once per turn, when another monster's effect is activated (Quick Effect): You can Tribute 1 monster; negate the activation, and if you do, banish it.

Infernoid Evil

2 "Infernoid" monsters
If this card is Fusion Summoned: You can banish 1 "Infernoid" monster from your GY; send "Infernoid" monsters with different names from your Deck to the GY equal to the banished monster's Level. If this card is sent to the GY or banished: You can add 1 "Void" Spell/Trap from your Deck to your hand. You can only use each effect of "Infernoid Evil" once per turn.

Infernoid Onuncu

Cannot be Normal Summoned/Set. Must be Special Summoned (from your hand or Graveyard) by banishing 3 "Infernoid" monsters from your hand or Graveyard while the total Levels and Ranks of all Effect Monsters you control are 8 or lower, and cannot be Special Summoned by other ways. When this card is Special Summoned: You can destroy all other monsters on the field. Once per turn, during either player's turn, when a Spell/Trap Card or effect is activated: You can Tribute 1 monster; negate the activation, and if you do, banish that card.

Infernoid Pirmais

Cannot be Normal Summoned/Set. Must be Special Summoned (from your hand) by banishing 1 "Infernoid" monster from your hand or Graveyard while the total Levels and Ranks of all Effect Monsters you control are 8 or lower, and cannot be Special Summoned by other ways. Once per turn: You can target 1 Set card on the field; shuffle it into the Deck. That card cannot be activated in response to this effect's activation. Once per turn, during your opponent's turn: You can Tribute 1 monster, then target 1 card in your opponent's Graveyard; banish it (this is a Quick Effect).

Infinitrack Road Roller

If an EARTH Machine monster is Tributed, or banished face-up: You can Special Summon this card from the GY (if it was there when the monster was Tributed or banished) or hand (even if not), but banish it when it leaves the field. You can only use this effect of "Infinitrack Road Roller" once per turn. An Xyz Monster whose original Type is Machine and has this card as material gains this effect.
● Face-up monsters your opponent controls are changed to Defense Position, also they lose 1000 DEF.

Inspector Boarder 20

Cannot be Normal or Special Summoned if you control a monster. Neither player can activate monster effects unless the number of monster effects that player has previously activated that turn is less than the number of monster card types currently on the field (Ritual, Fusion, Synchro, Xyz, Pendulum, and Link). (If an effect's activation was negated, it still counts toward the total for that turn. Only count effects that were activated while this monster was face-up on the field.)

Interceptomato

During your opponent's turn: You can banish this card from your Graveyard; this turn, any effect damage you take becomes 0 (this is a Quick Effect).

Invoked Babalon

1 "Aleister" monster + 1 LIGHT or EARTH monster
If this card is Special Summoned: You can add 1 "Virakam the Artificial Spirit" or "Magical Name - "Rosa Mundi"" from your Deck to your hand, then you can banish 1 monster from either GY. You can banish this card from your GY, then target 1 Fusion Monster you control; all monsters your opponent currently controls lose ATK equal to that monster's until the end of this turn. You can only use each effect of "Invoked Babalon" once per turn.

Invoked Okeanos

1 "Aleister" monster + 1 DARK or WATER monster
While this card is in the Main Monster Zone, your opponent's monsters cannot target monsters for attacks, except this one. While this card is in the Extra Monster Zone, any monster sent to your opponent's GY is banished instead. You can banish this card from your GY, then target 1 Fusion Monster you control; it can attack directly this turn. You can only use this effect of "Invoked Okeanos" once per turn.

Inzektor Earwig

Once per turn: You can equip 1 "Inzektor" monster from your hand or Graveyard to this card. While this card is equipped to a monster, that monster gains ATK and DEF equal to this card's ATK and DEF. When this card is sent to the Graveyard while equipped to a monster: The monster this card was equipped to gains 1000 ATK, until the End Phase.

Inzektor Exa-Beetle

2 Level 6 monsters
When this card is Xyz Summoned: You can target 1 monster in either player's Graveyard; equip that target to this card. This card gains ATK and DEF equal to half the original ATK and DEF of the monster equipped by this effect. Once per turn: You can detach 1 Xyz Material from this card to target 1 face-up card on each side of the field; send those targets to the Graveyard.

Inzektor Exa-Stag

2 Level 5 Insect-Type monsters
Once per turn: You can detach 1 Xyz Material from this card to target 1 monster your opponent controls or in their Graveyard; equip that target to this card. This card gains ATK and DEF equal to half the original ATK and DEF of the monster(s) equipped by this effect.

Inzektor Firefly

Once per turn: You can equip 1 "Inzektor" monster from your hand or Graveyard to this card. If an "Inzektor" card equips to this card: You can look at all Set cards your opponent controls. While this card is equipped to a monster, that monster's Level is increased by 1, also it gains ATK and DEF equal to this card's ATK and DEF.

Ipiria

If this card is Summoned: Draw 1 card. You can only use this effect of "Ipiria" once per turn.

Iron Blacksmith Kotetsu

FLIP: Add 1 Equip Spell from your Deck to your hand.

Jester Confit

You can only control 1 "Jester Confit". You can Special Summon this card (from your hand) in Attack Position. If Summoned this way, during your opponent's next End Phase: Target 1 face-up monster your opponent controls; return both that target and this face-up card to the hand.

Jester Lord

While this card is the only monster on the field, it gains 1000 ATK for each card in the Spell & Trap Card Zones.

Jormungandr, Generaider Boss of Eternity

2+ Level 9 monsters
You can only control 1 "Jormungandr, Generaider Boss of Eternity". This card's original ATK/DEF become 1000 x its number of materials. (Quick Effect): You can detach 1 material from this card; each player draws 1 card, then each player that drew attaches 1 card from their hand or field to this card. You can only use this effect of "Jormungandr, Generaider Boss of Eternity" once per turn.

Jormungardr the Nordic Serpent

Cannot be Normal Summoned/Set. If an "Aesir" monster is on the field, you can Special Summon this card (from your hand) to your opponent's side of the field in Defense Position. If an "Aesir" monster is not on the field, destroy this card. If this face-up Defense Position card you control is changed to face-up Attack Position: Take 3000 damage. This effect can only be used once while this card is face-up on the field.

Junk Anchor

For a Synchro Summon, you can substitute this card for any 1 "Synchron" Tuner monster. Once per turn: You can discard 1 card, then target 1 non-Tuner "Junk" monster in your Graveyard; Special Summon that target, and if you do, immediately after this effect resolves, Synchro Summon 1 Synchro Monster that lists a "Synchron" monster as a Tuner, using that monster and this card only. These Synchro Materials are banished instead of being sent to the Graveyard.

Juraishin, the Cursed Thunder God

1 Tuner + 1+ non-Tuner monsters
Each time your opponent activates a card or effect, gain 300 LP when it resolves. During your opponent's turn (Quick Effect): You can pay 1500 LP and Tribute this card, then activate 1 of these effects;
● Destroy all face-up monsters your opponent controls.
● Destroy all face-up Spells and Traps your opponent controls.
You can only use this effect of "Juraishin, the Cursed Thunder God" once per turn.

Jurrac Aeolo

You can Tribute this card to select 1 Level 4 or lower "Jurrac" monster in your Graveyard, except "Jurrac Aeolo". Special Summon that monster from the Graveyard.

Jurrac Brachis

While another face-up "Jurrac" monster is on the field, this card cannot be destroyed by battle.

Jurrac Velphito

1 Tuner + 1 or more non-Tuner Dinosaur-Type monsters
This card's ATK and DEF are equal to the total original ATK of the Synchro Material Monsters used for its Synchro Summon. If this card attacks a face-down Defense Position monster, you can destroy the monster immediately with this card's effect without flipping it face-up or applying damage calculation.

K9-ØØ "Hound"

2 Level 5 monsters
Cannot be destroyed by battle or your opponent's card effects the turn it is Special Summoned. Each time your opponent activates a monster effect, this card gains 500 ATK when that effect resolves. Once per turn, during the Standby Phase: You can detach 1 material from this card, then target 1 card on the field; banish it.

KA-2 Des Scissors

When this card destroys a monster and sends it to the Graveyard as a result of battle, inflict damage to your opponent's Life Points equal to the Level of the destroyed monster x 500 points.

Kagemucha Knight

When you Normal Summon a Level 3 monster: You can Special Summon this card from your hand. Cannot be used as Synchro Material.

Kamion, 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: Shuffle 1 card your opponent controls into the Deck, and if you do, inflict 500 damage to your opponent. Neither player can activate cards or effects in response to this effect's activation. Once per turn, during your Standby Phase: Shuffle this card into the Deck.

Kanan the Swordmistress

A lady warrior armed with sword and shield, she floats lightly and stings sharply.

Kanzashi the Rikka Queen

2 Level 6 monsters
If a monster(s) is Tributed (except during the Damage Step): You can detach 1 material from this card, then target 1 monster in either GY; Special Summon it, but negate its effects, also it becomes a Plant monster. If a Plant monster(s) you control would be destroyed by a card effect, you can Tribute 1 Plant monster from your hand or field instead. You can only use each effect of "Kanzashi the Rikka Queen" once per turn.

Karakuri Barrel mdl 96 "Shinkuro"

This card must attack if able. When this face-up Attack Position card is selected as an attack target, change it to Defense Position. Once per turn, this card cannot be destroyed by battle.

Karakuri Ninja mdl 339 "Sazank"

This card must attack if able. When this face-up Attack Position card is selected as an attack target, change it to Defense Position. When this card is flipped face-up, select 1 face-up monster on the field, and send it to the Graveyard. During the turn this card is flipped face-up, it can attack your opponent directly.

Karate Man

You can double the original ATK of this card once per turn. If you used this effect, destroy this card during the End Phase.

Kashtira Arise-Heart 97

3 Level 7 monsters
Once per turn, you can also Xyz Summon "Kashtira Arise-Heart" by using 1 "Kashtira" monster you control, if an effect of "Kashtira Shangri-Ira" was successfully activated this turn. (Transfer its materials to this card.) Any card sent to the GY is banished instead. Once per Chain, each time a card(s) is banished: Attach 1 banished card to this card as material. Once per turn (Quick Effect): You can detach 3 materials from this card, then target 1 card on the field; banish it face-down.

Kashtira Fenrir 30

If you control no monsters, you can Special Summon this card (from your hand). You can only use each of the following effects of "Kashtira Fenrir" once per turn. During your Main Phase: You can add 1 "Kashtira" monster from your Deck to your hand. When this card declares an attack, or if your opponent activates a monster effect (except during the Damage Step): You can target 1 face-up card your opponent controls; banish it, face-down.

Key Mouse

When this card is destroyed by battle and sent to the Graveyard, you can add 1 Level 3 or lower Beast-Type monster from your Deck to your hand.

Khaos Starsource Dragon

1 LIGHT or DARK Dragon monster + 1 Dragon monster
If this card is Fusion Summoned: You can target cards your opponent controls, up to the number of LIGHT and DARK monsters used as this card's material; destroy them. If this card is banished: You can target 1 Level 4 LIGHT or DARK Dragon monster you control; its Level becomes 8. You can only use each effect of "Khaos Starsource Dragon" once per turn.

Kikinagashi Fucho

2 Level 1 monsters
Unaffected by other cards' effects. Once per turn (Quick Effect): You can detach 2 materials from this card; for the rest of this turn, this card cannot be destroyed by battle, also you take no battle damage from attacks involving this card.

Kittytail, Mystical Beast of the Forest

If this card is Normal or Special Summoned: You can target 1 Beast, Beast-Warrior, Winged Beast, Insect, or Plant monster in your GY; send 1 monster from your Deck to the GY with the same original Type as that monster. If this card in its owner's possession is destroyed by an opponent's card: You can add 1 Beast, Beast-Warrior, Winged Beast, Insect, or Plant monster from your Deck to your hand, except "Kittytail, Mystical Beast of the Forest". You can only use each effect of "Kittytail, Mystical Beast of the Forest" once per turn.

Knightmare Corruptor Iblee 100

When this card is Normal Summoned: You can target 1 Link Monster in your GY; Special Summon it to your field so it points to this card, but change its ATK to 0, also negate its effects. You cannot Special Summon monsters, except Link Monsters. If this card in its owner's control is sent to the GY: You can Special Summon this card to your opponent's field in Defense Position. You can only use this effect of "Knightmare Corruptor Iblee" once per turn.

Knightmare Incarnation Idlee

Level 9 monsters you control cannot be destroyed by card effects. You can only use each of the following effects of "Knightmare Incarnation Idlee" once per turn.
● If the total Link Rating of the monsters on the field is 8 or more (Quick Effect): You can Special Summon this card from your hand.
● If this card is Special Summoned, while your opponent controls more Link Monsters than you do: You can send all Link Monsters on the field to the GY.

Koa'ki Meiru Prototype

If a face-up "Koa'ki Meiru" monster(s) on the field would be destroyed during the End Phase, you can destroy this card instead. When a face-up "Koa'ki Meiru" monster(s) on the field is destroyed during the End Phase, you can Special Summon 1 "Koa'ki Meiru Token" (Rock-Type/EARTH/Level 4/ATK 1800/DEF 1800).

Kochobo's Hinamatsuri

If this card is in your hand or GY: You can target 1 Machine monster on the field; for the rest of this turn, you cannot Special Summon from the Extra Deck, except Xyz Monsters, also Special Summon this card (but banish it when it leaves the field), and if you do, halve that monster's ATK, also this card's Level becomes that monster's. You can only use this effect of "Kochobo's Hinamatsuri" once per turn.

Konohanasakuya

Cannot be Normal Summoned/Set. Must be Special Summoned (from your hand) by controlling a Spirit monster. You can only Special Summon "Konohanasakuya" once per turn this way. Once per turn, during the End Phase, if this card was Special Summoned this turn: Return it to the hand. Once per turn, during the End Phase: You can banish this card from your GY, then target 1 Spirit monster you control; neither player can activate that face-up monster's effects on the field for the rest of this turn.

Kozaky

A workaholic fiend who devotes everything to his research into the languages of Dark World. His mind has collapsed because of working too hard.

Kozmo Dark Planet

Cannot be Normal Summoned/Set. Must be Special Summoned (from your hand) by banishing "Kozmo" monsters from your hand whose total Levels equal 10 or more, and cannot be Special Summoned by other ways. Cannot be targeted by an opponent's card effects. During either player's turn, when a Spell Card is activated: You can banish 1 "Kozmo" monster from your Graveyard; negate the activation, and if you do, destroy that card. If this card is destroyed by battle or card effect and sent to the Graveyard: You can banish this card from your Graveyard; add 1 Level 9 or lower "Kozmo" monster from your Deck to your hand.

Kozmo Delta Shuttle

Once per turn: You can send 1 "Kozmo" monster from your Deck to the Graveyard, then target 1 face-up monster on the field; it loses ATK and DEF equal to the sent monster's Level x 100. If this card is destroyed by battle or card effect and sent to the Graveyard: You can banish this card from your Graveyard; Special Summon 1 Level 4 or lower "Kozmo" monster from your Deck.

Kozmo Soartroopers

During either player's turn: You can banish this card; Special Summon 1 Level 4 or higher "Kozmo" monster from your hand. You can only use this effect of "Kozmo Soartroopers" once per turn. Once per turn: You can pay 1000 LP, then target 1 Psychic-Type "Kozmo" monster in your Graveyard; Special Summon it.

Kozmo Tincan

During either player's turn: You can banish this card; Special Summon 1 Level 2 or higher "Kozmo" monster from your hand. You can only use this effect of "Kozmo Tincan" once per turn. Once per turn, during the End Phase: You can pay 500 LP; reveal 3 "Kozmo" cards with different names from your Deck, your opponent randomly picks 1 for you to add to your hand, and you send the rest to the Graveyard.

Kurama

A vicious bird that attacks from the skies with its whip-like tail.

Kurikara Divincarnate

Cannot be Normal Summoned/Set. Must be Special Summoned (from your hand) by Tributing all face-up monsters on the field that activated their effects this turn in your opponent's Monster Zone. Gains 1500 ATK for each monster Tributed to Special Summon this card. During your End Phase: You can target 1 monster in your opponent's GY; Special Summon it to your field. You can only use this effect of "Kurikara Divincarnate" once per turn.

Labrynth Cooclock

(Quick Effect): You can discard this card; this turn, you can activate 1 Normal Trap Card that was Set this turn, if you control a "Labrynth" monster. If a card(s) is sent from your hand to the GY to activate your Normal Trap Card or your "Labrynth" card or effect, except "Labrynth Cooclock", while this card is in your GY (except during the Damage Step): You can add this card to your hand, or Special Summon it. You can only use each effect of "Labrynth Cooclock" once per turn.

Labyrinth Heavy Tank

You can Normal Summon this card without Tributing. Cannot attack the turn it is Normal Summoned. During your Main Phase: You can place 1 of your "Sanga of the Thunder", "Kazejin", or "Suijin" that is banished, or in your hand or Deck, face-up in your Spell & Trap Zone as a Continuous Spell, then, if you control a "Labyrinth Wall" card, you can destroy 1 monster your opponent controls. You can only use this effect of "Labyrinth Heavy Tank" once per turn.

Labyrinth Tank

"Giga-Tech Wolf" + "Cannon Soldier"

Lacrima the Crimson Tears

(This card is always treated as a "Fiendsmith" card.)
If this card is Normal or Special Summoned: You can send 1 "Fiendsmith" card from your Deck to the GY, except "Lacrima the Crimson Tears". During your opponent's turn, if this card is in your GY (Quick Effect): You can target 1 "Fiendsmith" Link Monster in your GY; shuffle this card into the Deck, and if you do, Special Summon that monster. You can only use each effect of "Lacrima the Crimson Tears" once per turn.

Laevatein, Generaider Boss of Shadows 1

2+ Level 9 monsters
You can only control 1 "Laevatein, Generaider Boss of Shadows". Monsters your opponent controls lose 1000 ATK/DEF. (Quick Effect): You can Tribute this Xyz Summoned card; Special Summon 1 non-Fairy "Generaider" Xyz Monster from your Extra Deck, then you can attach cards from any field and/or GYs to that Special Summoned monster as material, up to the number of materials this card had.

LaLa Li-oon

''An electric cloud creature, its acid rain makes it very dangerous.''

Latency

If this card is added from your GY to your hand by a card effect: You can Special Summon it from your hand. If this card Summoned this way is sent to the GY as Link Material: You can draw 1 card. You can only use each effect of "Latency" once per turn.

Laval Lakeside Lady

If this card is in your Graveyard and you have 3 or more "Laval" monsters with different names in your Graveyard: You can banish this card and 1 other "Laval" monster from your Graveyard to target 1 Set card your opponent controls; destroy that target.

Lazion, 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: Shuffle all cards from your opponent's GY into the Deck. Once per turn, if your opponent draws a card: Inflict 1000 damage to your opponent. Once per turn, during your Standby Phase: Shuffle this card into the Deck.

Leafplace Plaice

Gains 200 ATK/DEF for each card in your opponent's GY. During your Standby Phase, if this card is in your hand or GY and your opponent has more cards in their GY than you: You can Special Summon this card. You can only use this effect of "Leafplace Plaice" once per turn.

Legendary Maju Garzett

Cannot be Normal Summoned/Set. Must be Special Summoned (from your hand) by Tributing all monsters you control. This card's ATK becomes the combined original ATK of the Tributed monsters. If this card attacks a Defense Position monster, inflict piercing battle damage.

Legendary Six Samurai - Shinai

If you control "Legendary Six Samurai - Mizuho", you can Special Summon this card (from your hand). If this card on the field is Tributed: Target 1 "Six Samurai" monster in your GY, except "Legendary Six Samurai - Shinai"; add it to your hand.

Libromancer Fire

You can reveal 1 Ritual Monster in your hand: Special Summon this card from your hand. If this card is Special Summoned: You can add 1 "Libromancer" monster from your Deck to your hand, except "Libromancer Fire". You can only use each effect of "Libromancer Fire" once per turn.

Libromancer Fireburst

You can Ritual Summon this card with a "Libromancer" card. If this card was Ritual Summoned by using a monster(s) on the field, it cannot be destroyed by battle, also any battle damage it inflicts to your opponent is doubled. This card can make up to 2 attacks on monsters during each Battle Phase. When a monster declares an attack: You can banish 1 "Libromancer" Ritual Monster from your GY; this card gains 200 ATK.

Libromancer Firestarter

You can Ritual Summon this card with a "Libromancer" card. If this card is Ritual Summoned by using a monster(s) on the field, it cannot be destroyed, or banished, by card effects. Gains 200 ATK/DEF each time your opponent activates a card or effect, while you control this card with ATK less than 3000 in the Monster Zone.

Libromancer Geek Boy

You can reveal 1 Ritual Monster in your hand: Special Summon this card from your hand. If this card is Special Summoned: You can add 1 "Libromancer" Spell from your Deck to your hand. You can only use each effect of "Libromancer Geek Boy" once per turn.

Link Apple

You can reveal this card in your hand; banish (face-up) 1 random face-down card from your Extra Deck, then, Special Summon this card if the banished card was a Link Monster. Otherwise, discard this card, and if you do, draw 1 card. You can only use this effect of "Link Apple" once per turn.

Lisark

''A creature with sapphire eyes that mesmerizes and confuses enemies.''

Litmus Doom Swordsman

You can Ritual Summon this card with "Litmus Doom Ritual". It is unaffected by Trap effects and cannot be destroyed by battle. Gains 3000 ATK/DEF while a Trap is on the field. If this Ritual Summoned card in its owner's control is destroyed by your opponent's card: You can target 1 Trap in either GY; Set it to your Spell & Trap Zone.

Little Fairy

Up to twice per turn: You can send 1 card from your hand to the Graveyard; increase this card's Level by 1.

Lockout Gardna

When an opponent's monster declares a direct attack: You can Special Summon this card from your hand in Attack Position, and if you do, it cannot be destroyed by battle this turn. When an effect of a monster your opponent controls is activated that targets 1 Cyberse monster you control (and no other cards) (Quick Effect): You can negate the effects of both that Cyberse monster you control and that opponent's monster until the end of this turn.

Lollipo★Yummy Way

1 Tuner + 1 non-Tuner monster
For this card's Synchro Summon, you can treat 1 Link-1 monster you control as a Level 1 Tuner. You can only use each of the following effects of "Lollipo★Yummy Way" once per turn. If this card is Synchro Summoned: You can Special Summon 2 "Yummy" monsters from your GY, but negate their effects. When your opponent activates a card or effect (Quick Effect): You can return this card to the Extra Deck; Special Summon up to 2 "Yummy" monsters from your GY.

Loptr, Shadow of the Generaider Bosses

You can only control 1 "Loptr, Shadow of the Generaider Bosses". All "Generaider" monsters you control gain 1000 ATK/DEF during your opponent's turn only. During the Main Phase (Quick Effect): You can Tribute 1 "Generaider" monster; Special Summon 1 Level 9 "Generaider" monster with a different name from your Deck. You can only use this effect of "Loptr, Shadow of the Generaider Bosses" once per turn.

Lord of the Heavenly Prison

During your Main Phase: You can activate this effect; this card in your hand becomes revealed until the end of your opponent's turn. While this card is revealed by this effect, Set cards on the field cannot be destroyed by card effects. If a Set Spell/Trap Card is activated (except during the Damage Step): You can Special Summon this card from your hand, then, if you activated this effect while this card was revealed, you can reveal and Set 1 Spell/Trap directly from your Deck, but banish it during the End Phase of the next turn. You can only use 1 "Lord of the Heavenly Prison" effect per turn, and only once that turn.

Lumina, Lightsworn Summoner

Once per turn: You can discard 1 card, then target 1 Level 4 or lower "Lightsworn" monster in your GY; Special Summon that target. Once per turn, during your End Phase: Send the top 3 cards of your Deck to the GY.

Lumina, Twilightsworn Shaman

Once per turn: You can banish 1 "Lightsworn" monster from your hand or GY, then target 1 of your banished "Lightsworn" monsters, except "Lumina, Twilightsworn Shaman"; Special Summon it. Once per turn, if your other "Lightsworn" monster's effect is activated: Send the top 3 cards of your Deck to the GY.

Lunalight Purple Butterfly

You can send this card from your hand or field to the Graveyard, then target 1 "Lunalight" monster you control; it gains 1000 ATK until the end of this turn. You can banish this card from your Graveyard; Special Summon 1 "Lunalight" monster from your hand. You can only use this effect of "Lunalight Purple Butterfly" once per turn.

Lunalight White Rabbit

When this card is Normal Summoned: You can target 1 "Lunalight" monster in your Graveyard, except "Lunalight White Rabbit"; Special Summon it in Defense Position. Once per turn: You can target Spell/Trap Cards your opponent controls, up to the number of other "Lunalight" cards you control; return them to the hand.

Lyrilusc - Assembled Nightingale

2 or more Level 1 monsters
This card gains 200 ATK for each Xyz Material attached to it. This card can attack directly. While this card has Xyz Material, it can attack a number of times each Battle Phase, up to the number of Xyz Materials attached to it. Once per turn, during either player's turn: You can detach 1 Xyz Material from this card; until the end of this turn, "Lyrilusc" monsters you control cannot be destroyed by battle or card effects, also you take no battle damage.

Lyrilusc - Ensemblue Robin

2+ Level 1 monsters
Gains 500 ATK for each material attached to it. If your opponent Special Summons a monster(s) (except during the Damage Step): You can detach 1 material from this card, then target 1 of those Special Summoned monsters; return it to the hand. If this card in your possession is sent to your GY by an opponent's card: You can target 1 other "Lyrilusc" monster in your GY; add it to your hand.

Lyrilusc - Promenade Thrush

2+ Level 1 monsters
Gains 500 ATK for each material attached to it. Once per turn: You can detach 1 material from this card, then target 1 Spell/Trap your opponent controls; shuffle it into the Deck. At the start of the Damage Step, if another monster you control battles: You can detach any number of materials from this card; that monster you control gains 300 ATK for each material detached, until the end of this turn.

Lyrilusc - Recital Starling

2+ Level 1 monsters
If this card is Xyz Summoned: You can target 1 face-up monster on the field; it gains 300 ATK/DEF for each material attached to this card. Once per turn: You can detach 1 material from this card; add 1 Level 1 Winged Beast monster from your Deck to your hand. All battle damage you take from battles involving this Xyz Summoned card is also inflicted to your opponent.

Lyrilusc - Turquoise Warbler

If you control no monsters, you can Special Summon this card (from your hand). If this card is Special Summoned from the hand: You can Special Summon 1 "Lyrilusc" monster from your hand or Graveyard. You can only use this effect of "Lyrilusc - Turquoise Warbler" once per turn.

Ma'at

Cannot be Normal Summoned/Set. Must be Special Summoned (from your hand) by sending 1 LIGHT Dragon-Type monster and 1 LIGHT Fairy-Type monster you control to the Graveyard, and cannot be Special Summoned by other ways. Once per turn: You can declare 3 card names; excavate the top 3 cards of your Deck, add any of them that you named to your hand, also send the remaining cards to the Graveyard. This card's ATK and DEF each become equal to the number of cards added to your hand by this effect x 1000.

Mad Reloader

If this card is destroyed by battle and sent to the GY: Send 2 cards from your hand to the GY, and if you do, draw 2 cards.