Annihilator Archfiend

You can target 1 card you control and 1 card your opponent controls; destroy them, and if you destroyed a face-up Fiend monster(s) by this effect, this card gains ATK equal to half the Fiend monster(s)'s original ATK, until the end of this turn. You can only use this effect of "Annihilator Archfiend" once per turn.

Archfiend Black Skull Dragon

1 Level 6 "Archfiend" Normal Monster + 1 "Red-Eyes" Normal Monster
You can only Special Summon "Archfiend Black Skull Dragon(s)" once per turn. If this card battles, your opponent's cards and effects cannot be activated until the end of the Damage Step. If damage calculation is performed involving this Fusion Summoned card, at the end of the Battle Phase: You can target 1 "Red-Eyes" Normal Monster in your Graveyard; inflict damage to your opponent equal to its ATK in the Graveyard, then shuffle it into the Deck.

Archfiend Cavalry

If this card on the field is destroyed by card effect and sent to the GY: You can target 1 "Archfiend" monster in your GY, except "Archfiend Cavalry"; Special Summon it, but it cannot attack this turn.

Archfiend Commander

If you control an "Archfiend" card, you can Special Summon this card (from your hand), but it cannot attack this turn. You can only Special Summon "Archfiend Commander" once per turn this way. When Special Summoned this way: Target 1 "Archfiend" card you control; destroy that target. When this card is Tribute Summoned: You can target 1 Level 6 "Archfiend" monster in your Graveyard; Special Summon that target in face-up Defense Position.

Archfiend Eccentrick

[ Pendulum Effect ]
You can target 1 other Spell/Trap on the field; destroy both it and this card. You can only use this effect of "Archfiend Eccentrick" once per turn.

You can Tribute this card, then target 1 monster on the field; destroy it. You can only use this effect of "Archfiend Eccentrick" once per turn.

Archfiend Emperor

[ Pendulum Effect ]
You can target 1 other face-up Spell/Trap on the field; destroy both it and this card. You can only use this effect of "Archfiend Emperor" once per turn.

You can Ritual Summon this card with "Throne of the Archfiends". Must be Ritual Summoned. Unaffected by other monsters' effects while in the Extra Monster Zone. You can only use each of the following effects of "Archfiend Emperor" once per turn. If this card is Ritual Summoned from the Extra Deck: You can banish all monsters on the field, except in the Extra Monster Zones. If this card is in the Extra Monster Zone: You can Special Summon 1 Fiend monster from your hand, Deck, GY, or banishment.

Archfiend Emperor, the First Lord of Horror

You can Normal Summon this card without Tributing, but its original ATK/DEF become halved. If Summoned this way, this card is destroyed during the End Phase. You cannot Special Summon any monsters, except Fiend monsters. Once per turn: You can banish 1 "Archfiend" card from your hand or GY, then target 1 card on the field; destroy it.

Archfiend Empress

If (exactly) 1 face-up DARK Fiend-Type monster on the field, except this card, would be destroyed, you can remove from play 1 DARK Fiend-Type monster from your Graveyard, instead. When this card is destroyed and sent from the field to the Graveyard, you can select 1 Level 6 or higher DARK Fiend-Type monster in your Graveyard, except "Archfiend Empress", and Special Summon it.

Archfiend General

You can discard this card to the Graveyard to add 1 "Pandemonium" from your Deck to your hand. If this card is on the field but "Pandemonium" is not on the field, destroy this card.

Archfiend Giant

If this face-up card on the field would be destroyed by a card effect, you can pay 500 LP instead. This effect can only be used once while this card is face-up on the field. If this card is destroyed by a card effect and sent to the Graveyard: You can Special Summon 1 "Archfiend" monster from your hand.

Archfiend Heiress

If this card is sent to the GY by card effect, or by being destroyed by battle: You can add 1 "Archfiend" card from your Deck to your hand, except "Archfiend Heiress". You can only use this effect of "Archfiend Heiress" once per turn.

Archfiend Interceptor

While you control this face-up Attack Position card, when an opponent's monster declares an attack, inflict 500 damage to your opponent.

Archfiend Marmot of Nefariousness

An air marmot that has a nefarious horn and wings. It attacks by throwing acorns.

Archfiend Matriarch

[ Pendulum Effect ]
You can target 1 "Archfiend" Spell/Trap in your GY or banishment; destroy this card, and if you do, add that target to your hand. You can only use this effect of "Archfiend Matriarch" once per turn.

You can Ritual Summon this card with "Throne of the Archfiends". Must be Ritual Summoned. Unaffected by other monsters' effects while in the Extra Monster Zone. If this card is Ritual Summoned: You can destroy as many Spells/Traps your opponent controls as possible, then if this card is in the Extra Monster Zone, you can banish all Spells/Traps from your opponent's GY. You can only use this effect of "Archfiend Matriarch" once per turn.

Archfiend Mirror

''A wicked mirror that hypnotizes enemies, diverting attacks from their intended targets.''

Archfiend of Gilfer

When this card is sent to the Graveyard: You can target 1 face-up monster on the field; equip that target with this card. That monster loses 500 ATK while equipped with this card.

Archfiend Palabyrinth

All Fiend-Type monsters you control gain 500 ATK. You can target 1 "Archfiend" monster you control; banish 1 other Fiend-Type monster you control, and if you do, Special Summon from your hand, Deck, or Graveyard, 1 "Archfiend" monster with same Level as the targeted monster. You can only use this effect of "Archfiend Palabyrinth" once per turn.

Archfiend Playtime

Special Summon 1 Level 7 or lower "Archfiend" monster from your hand or Deck, or if you have an "Archfiend" Ritual Monster in your face-up Extra Deck, you can Special Summon up to 1 each of "Royal Archfiend", "Duke Archfiend", and "Highness Archfiend" from your hand and/or Deck instead. You can only activate 1 "Archfiend Playtime" per turn.

Archfiend Soldier

An expert at battle who belongs to a crack diabolical unit. He's famous because he always gets the job done.

Archfiend Strategy

Fiend monsters in the Extra Monster Zone(s) gain 1000 ATK. You can activate 1 of these effects;
● Banish 1 Fiend monster or 1 "Archfiend" card from your hand or GY; add 1 "Archfiend" card from your Deck to your hand, except a Field Spell.
● Add 1 "Archfiend" Pendulum Monster from your Deck to your face-up Extra Deck.
You can only use this effect of "Archfiend Strategy" once per turn.

Archfiend Zombie-Skull

"Plaguespreader Zombie" + 2+ non-Tuner Zombie monsters
Zombie monsters you control cannot be destroyed by card effects.

Archfiend's Advent

While you control "Shining Sarcophagus", you can Normal Summon this card without Tributing. Other monsters you control gain 500 ATK, during your turn only. If this card is Normal or Special Summoned: You can target 1 monster your opponent controls; take control of it until the End Phase, but that monster cannot attack unless you controlled "Shining Sarcophagus" when this effect was activated. You can only use this effect of "Archfiend's Advent" once per turn.

Archfiend's Ascent

2 Level 6 monsters
This card's name becomes "Summoned Skull" on the field, but is still treated as an "Archfiend" card. If "Summoned Skull(s)" you control would be destroyed by battle or card effect, you can detach 1 material from this card instead. If this Xyz Summoned card you control is sent to your GY by an opponent's card: You can Special Summon 1 "Summoned Skull" from your hand, Deck, or GY.

Archfiend's Awakening

You can Ritual Summon this card with "Contract with the Abyss". This card's name becomes "Summoned Skull" on the field, but is still treated as an "Archfiend" card. Cannot be destroyed by battle, except by battle with a Ritual Monster, and cannot be destroyed by monster effects, except those of Ritual Monsters. If this Ritual Summoned card you control is sent to your GY by an opponent's card: You can Special Summon 1 "Summoned Skull" from your hand, Deck, or GY.

Archfiend's Call

1 Tuner + 1+ non-Tuner monsters
This card's name becomes "Summoned Skull" on the field, but is still treated as an "Archfiend" card. Your opponent cannot target any "Summoned Skull" you control with card effects. If this Synchro Summoned card you control is sent to your GY by an opponent's card: You can Special Summon 1 "Summoned Skull" from your hand, Deck, or GY.

Archfiend's Conscription

You cannot Summon/Set non-Fiend monsters. Once per turn, during your Main Phase, you can roll a six-sided die. If you do, you lose LP equal to the result x 200, but if the result is 2, 3, or 4, you can Special Summon 1 "Archfiend" monster with a Level equal to the result from your hand, Deck, or GY.

Archfiend's Fervor

If you control an "Archfiend" Ritual Monster in the Extra Monster Zone: You can target 1 face-up card your opponent controls; negate its effects until the end of this turn. If this card is banished from the hand or field: You can add 1 "Archfiend" card from your Deck to your hand, except "Archfiend's Fervor". You can only use each effect of "Archfiend's Fervor" once per turn.

Archfiend's Ghastly Glitch

If you control a Fiend monster: Target 1 card on the field; destroy it, then, you can send 1 Fiend monster from your Deck to the GY.

Archfiend's Manifestation

"Summoned Skull" + 1 DARK monster
This card's name becomes "Summoned Skull" on the field, but is still treated as an "Archfiend" card. All "Summoned Skull" you control gain 500 ATK. If this Fusion Summoned card you control is sent to your GY by an opponent's card: You can Special Summon 1 "Summoned Skull" from your hand, Deck, or GY.

Archfiend's Oath

Once per turn: You can pay 500 Life Points, then declare 1 card name; excavate the top card of your Deck, and if it is the declared card, add it to your hand. Otherwise, send it to the Graveyard.

Archfiend's Promotion

Once per turn, during your Main Phase, if you control "Vilepawn Archfiend" and your opponent controls no card in its same column, you can Tribute it to Special Summon 1 Level 8 or lower "Archfiend" monster from your hand or Deck that has "Queen", "Bishop" , "Rook", or "Knight" in its name.

Archfiend's Roar

Pay 500 Life Points, then target 1 "Archfiend" monster in your Graveyard; Special Summon that target. It cannot be Tributed. Destroy it during the End Phase of this turn.

Archfiend's Staff of Despair

Equip only to a monster you control. During your Main Phase: You can make all monsters your opponent currently controls lose ATK equal to half the equipped monster's ATK, until the end of this turn (even if this card leaves the field). If this card is sent to the GY while equipped to a monster: You can pay 1000 LP; return this card to your hand. You can only use each effect of "Archfiend's Staff of Despair" once per turn.

Archfiend's Usurpation

Activate 1 of these effects;
● Set 1 "Archfiend" Trap from your Deck or GY. It can be activated this turn.
● Ritual Summon 1 "Archfiend" Ritual Monster from your hand or face-up Extra Deck, by Tributing monsters from your hand or field whose total Levels equal or exceed its Level.
You can only activate 1 "Archfiend's Usurpation" per turn.

Awakening of the Possessed - Nefariouser Archfiend

You can Special Summon this card (from your hand or Deck) by sending 1 face-up Spellcaster monster and 1 face-up Level 4 or lower EARTH monster you control to the GY. You can only use each of the following effects of "Awakening of the Possessed - Nefariouser Archfiend" once per turn.
● When this card is Special Summoned by its effect: You can Special Summon 1 Level 4 or lower monster from your GY, but negate its effects.
● If this card is sent from the field to the GY: You can add 1 "Spiritual Earth Art" card or 1 "Possessed" Spell/Trap from your Deck to your hand.

Berserk Archfiend

You can target up to 2 face-up monsters you control, including a Fiend monster; Special Summon this card from your hand, and if you do, destroy those monsters. You can only use this effect of "Berserk Archfiend" once per turn. When a monster(s) is destroyed by this card's effect: You can target face-up monsters your opponent controls equal to the number destroyed; this card gains ATK equal to their combined original ATK, until the end of your next turn.

Bone Archfiend

If this card is in your hand or GY: You can send 1 other card from your hand or field to the GY; Special Summon this card, also you cannot Special Summon monsters from the Extra Deck for the rest of this turn, except DARK Dragon Synchro Monsters. You can target 1 face-up monster you control that has a Level; send 1 Fiend Tuner from your hand or Deck to the GY, and if you do, increase or decrease that monster's Level by 1. You can only use each effect of "Bone Archfiend" once per turn.

Call of the Archfiend

You can target 1 Level 5 or higher Fiend monster in your GY; discard 1 Fiend monster, and if you do, Special Summon the targeted monster. You can only use this effect of "Call of the Archfiend" once per turn.

Chaos Archfiend

1 LIGHT Tuner + 1+ non-Tuner DARK monsters
If any card(s) have been banished this turn, this card gains 2000 ATK. This card can attack all monsters your opponent controls, once each, also banish any monster destroyed by battle with this card. If this card in its owner's control leaves the field because of an opponent's card: You can Special Summon 1 "Chaos" Synchro Monster from your Extra Deck, except "Chaos Archfiend". You can only use this effect of "Chaos Archfiend" once per turn.

Chaos King Archfiend

1 Fiend-Type Tuner + 1 or more non-Tuner monsters
When this card declares an attack: You can switch the current ATK and DEF of all face-up monsters your opponent controls, until the end of the Battle Phase.

Crossmind Archfiend

1 Psychic Tuner + 1+ non-Tuner monsters
During the Main Phase (Quick Effect): You can target 1 of your banished Level 7 or lower Psychic monsters; Special Summon it. During the Battle Phase (Quick Effect): You can Tribute 1 other monster; gain LP equal to its original ATK, and if you do, this card gains that much ATK until the end of this turn. You can only use each effect of "Crossmind Archfiend" once per turn.

Cyber Archfiend

At the beginning of your Draw Phase, if you have no cards in your hand, draw 1 more card in addition to your normal draw. During your End Phase, if you have 1 or more card(s) in your hand, destroy this card.

Darkbishop Archfiend

The controller of this card pays 500 Life Points during each of his/her Standby Phases (this is not optional). When an Archfiend Monster Card on your side of the field is targeted by the effect of a card controlled by your opponent, when resolving the effect, roll a six-sided die. If the result is 1, 3, or 6, negate the effect and destroy the opponent's card.

Desrook Archfiend

The controller of this card pays 500 Life Points during each of his/her Standby Phases (this is not optional). When this card is targeted by the effect of a card controlled by your opponent, when resolving the effect, roll a six-sided die. If the result is 3, negate the effect and destroy the opponent's card. When a "Terrorking Archfiend" on your side of the field is destroyed and sent to the Graveyard, you can send this card from your hand to the Graveyard to Special Summon the "Terrorking Archfiend".

Duke Archfiend

Gains ATK equal to its Level x 200. You can only use each of the following effects of "Duke Archfiend" once per turn. You can target 1 face-up monster you control that has a Level; send 1 "Archfiend" monster from your Deck to the GY, except "Duke Archfiend", and if you do, increase that monster's Level by the Level of the sent monster. When your Ritual Monster is destroyed by battle while this card is in your GY: You can Special Summon this card.

Gladiator Beast's Battle Archfiend Shield

Equip only to a "Gladiator Beast" monster. If the equipped monster would be destroyed, destroy this card instead. When this card is sent to your Graveyard because the equipped monster you controlled was shuffled into your Deck: Return this card to your hand.

Highness Archfiend

If this card is Normal Summoned: You can banish 1 "Archfiend" card from your GY; add 2 "Archfiend" cards from your Deck to your hand, except "Highness Archfiend", also you cannot Special Summon from the Extra Deck for the rest of this turn, except "Archfiend" monsters. When your Ritual Monster is destroyed by battle while this card is in your GY: You can Special Summon this card. You can only use each effect of "Highness Archfiend" once per turn.

Hot Red Dragon Archfiend

1 Tuner + 1 or more non-Tuner monsters
Once per turn, during your Main Phase 1: You can destroy all other face-up Attack Position monsters on the field. Monsters other than this card cannot attack the turn you activate this effect.

Hot Red Dragon Archfiend Abyss 20

1 Tuner + 1 non-Tuner DARK Dragon Synchro Monster
(Quick Effect): You can target 1 face-up card your opponent controls; negate its effects until the end of this turn. When this card inflicts battle damage to your opponent: You can target 1 Tuner in your GY; Special Summon it in Defense Position. You can only use each effect of "Hot Red Dragon Archfiend Abyss" once per turn.

Hot Red Dragon Archfiend Bane

1 Tuner + 1 non-Tuner DARK Dragon Synchro Monster
You can Tribute 1 monster, then target 1 "Red Dragon Archfiend" monster in your GY; Special Summon it. When this card inflicts battle damage to your opponent: You can Special Summon 2 Tuners with the same Level (1 from your Deck and 1 from your GY) in Defense Position. You can only use each effect of "Hot Red Dragon Archfiend Bane" once per turn.

Hot Red Dragon Archfiend King Calamity 21

2 Tuners + 1 non-Tuner DARK Dragon Synchro Monster
When this card is Synchro Summoned: You can activate this effect; for the rest of this turn, your opponent cannot activate cards, also cards your opponent controls cannot activate their effects. Your opponent cannot activate cards or effects in response to this effect's activation. If this card destroys a monster by battle: Inflict damage to your opponent equal to that monster's original ATK. If this card in its owner's possession is destroyed by an opponent's card: You can target 1 Level 8 or lower DARK Dragon Synchro Monster in your GY; Special Summon it.

Imprisoned Queen Archfiend

During each of your Standby Phases, you must pay 1000 Life Points (this is not optional), or this card is destroyed. During your Standby Phase: Target 1 Level 4 or lower Fiend-Type monster on the field; that target gains 1000 ATK until the End Phase. "Pandemonium" must be on the field and this card must be in your Graveyard to activate and to resolve this effect.

Infernalqueen Archfiend

The controller of this card pays 500 Life Points during each of his/her Standby Phases (this is not optional). When this card is targeted by the effect of a card controlled by your opponent, when resolving the effect, roll a six-sided die. If the result is 2 or 5, negate the effect and destroy the opponent's card. As long as this card remains on the field, during each Standby Phase, increase the ATK of 1 Archfiend Monster Card by 1000 points until the End Phase.

Infernity Archfiend

When you draw this card, if you have no other cards in your hand: You can reveal this card; Special Summon this card from your hand. When this card is Special Summoned: You can add 1 "Infernity" card from your Deck to your hand. You must have no cards in your hand to activate and to resolve this effect.

Infernity Doom Archfiend

1 Tuner + 1+ non-Tuner monsters
Once per turn: You can target 1 face-up card on the field; negate its effects (until the end of this turn), then if you have no cards in your hand, you can destroy it. While you have no cards in your hand, if this card battles an opponent's monster, any battle damage this card inflicts to your opponent is doubled. A DARK Synchro Monster that was Summoned using this card as material can make up to 2 attacks on monsters during each Battle Phase.

Labrynth Archfiend

Gains 400 ATK for each Normal Trap with a different name in your GY. Your opponent's monsters cannot target Fiend monsters for attacks, except "Labrynth Archfiend". You can only use each of the following effects of "Labrynth Archfiend" once per turn. If a Trap Card is activated (except during the Damage Step): You can Special Summon this card from your hand. If this card is Special Summoned: You can Set 1 Normal Trap from your Deck that can only be activated when an attack is declared.

Lancer Archfiend

Once per turn, when your monster declares an attack on your opponent's Defense Position monster: You can activate this effect; during that battle, if that monster attacks a Defense Position monster, inflict piercing battle damage to your opponent.

Linkmail Archfiend

2+ monsters, including a Ritual, Fusion, Synchro, or Xyz Monster
If this card is Special Summoned: You can target 1 Ritual, Fusion, Synchro, or Xyz Monster you control or in your GY; all monsters your opponent currently controls lose ATK equal to the targeted monster's ATK, until the end of this turn. Your opponent cannot target monsters you control, that were Special Summoned from the Extra Deck, with monster effects. If this card would be destroyed by battle or card effect, you can banish 1 Ritual, Fusion, Synchro, or Xyz Monster from your GY instead.

Mad Archfiend

If this card attacks a Defense Position monster, inflict piercing battle damage to your opponent. If this face-up Attack Position card is targeted for an attack: Change it to Defense Position.

Masterking Archfiend

2 Fiend monsters
Once per turn, during your Standby Phase, pay 500 LP or destroy this card. Once per Chain, if you pay LP (except during the Damage Step): You can send 1 Fiend monster from your Deck to the GY with ATK or DEF equal to the amount paid. Once per Chain, if a Fiend monster(s) is sent to your GY (except during the Damage Step): You can roll a six-sided die, then apply this effect on 1 of those monsters based on the result.
● 1: Add it to your hand. ● 2, 3, 4, 5: Shuffle into the Deck. ● 6: Special Summon it.

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.

Mimighoul Archfiend

FLIP: If it is the Main Phase: Apply these effects in sequence.
● Your opponent draws 1 card. ● Send 1 card from your hand to the GY. ● 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. If this card is Normal or Special Summoned: You can change 1 face-down monster on the field to face-up Attack or Defense Position. You can only use each effect of "Mimighoul Archfiend" once per turn.

Mist Archfiend

You can Normal Summon this card without Tributing. Once per turn, during the End Phase, if this card was Summoned this way: Destroy this card, and if you do, take 1000 damage.

Nefarious Archfiend Eater of Nefariousness

You can only control 1 "Nefarious Archfiend Eater of Nefariousness". If you control a Spellcaster-Type monster, you can Special Summon this card (from your hand). Once per turn, during your opponent's End Phase, if this card is in your Graveyard: You can target 1 face-up monster you control; destroy it, and if you do, Special Summon this card.

Nightmare Archfiend Token

Special Summoned with the effect of "Nightmare Archfiends". When it is destroyed, the controller will take 800 damage.

Nightmare Archfiends

Tribute 1 monster; Special Summon 3 "Nightmare Archfiend Tokens" (Fiend-Type/DARK/Level 6/ATK 2000/DEF 2000) to your opponent's field in Attack Position. Each time 1 is destroyed, its controller takes 800 damage.

Number C102: Archfiend Seraph

4 Level 5 LIGHT monsters
If this face-up card would be destroyed, you can detach 2 Xyz Materials from this card instead. If the last Xyz Material(s) is detached from this card: Inflict 1500 damage to your opponent. If this card has "Number 102: Star Seraph Sentry" as an Xyz Material, it gains this effect.
● Once per turn: You can detach 1 Xyz Material from this card, then target 1 face-up monster your opponent controls; change that target's ATK to 0, and if you do, negate its effects.

Overmind Archfiend

1 Psychic-Type Tuner + 2 or more non-Tuner Psychic-Type monsters
Once per turn, you can select 1 Psychic-Type monster in your Graveyard, and remove it from play. When this card is sent from the field to the Graveyard, Special Summon as many monsters as possible that were removed from play by this effect.

Red Dragon Archfiend

1 Tuner + 1 or more non-Tuner monsters
After damage calculation, if this card attacks a Defense Position monster your opponent controls: Destroy all Defense Position monsters your opponent controls. During your End Phase: Destroy all other monsters you control that did not declare an attack this turn. This card must be face-up on the field to activate and to resolve this effect.

Red Dragon Archfiend's Chain

You can activate this card the turn it was Set, by revealing 1 "Red Dragon Archfiend" in your Extra Deck. Activate this card by revealing any number of monsters in your hand, then target Effect Monsters your opponent controls equal to the number of Tuners revealed +1; they lose 100 ATK for each card you revealed in the hand to activate this card, also their effects are negated. If the last of those monsters is not on the field, destroy this card. You can only activate 1 "Red Dragon Archfiend's Chain" per turn.

Red Dragon Archfiend/Assault Mode

This card cannot be Normal Summoned or Set. This card cannot be Special Summoned except with "Assault Mode Activate". If this card attacks, destroy all other monsters after damage calculation. When this card on the field is destroyed, you can Special Summon 1 "Red Dragon Archfiend" from your Graveyard.

Red-Eyes Archfiend of Lightning

This card is treated as a Normal Monster while face-up on the field or in the Graveyard. While this card is a Normal Monster on the field, you can Normal Summon it to have it become an Effect Monster with this effect.
● Once per turn: You can destroy all face-up monsters your opponent controls with DEF lower than this card's ATK.

Regenesis Archfiend 10

You can Special Summon this card (from your hand) by revealing another monster with 2500 ATK or DEF in your hand. You can only Special Summon "Regenesis Archfiend" once per turn this way. You can only use each of the following effects of "Regenesis Archfiend" once per turn. If this card is Normal or Special Summoned: You can add 1 "Regenesis" card from your Deck or banishment to your hand, except "Regenesis Archfiend". During your opponent's End Phase, if this card is in the GY because it was sent there this turn: You can add this card to your hand.

Royal Archfiend

You can Tribute this card from your hand or face-up field; add 1 "Archfiend" card from your Deck to your hand, except "Royal Archfiend", also you cannot Special Summon from the Extra Deck for the rest of this turn, except "Archfiend" monsters, but you can Normal Summon 1 Fiend monster during your Main Phase this turn, in addition to your Normal Summon/Set (you can only gain this effect once per turn). When your Ritual Monster is destroyed by battle while this card is in your GY: You can Special Summon this card. You can only use each effect of "Royal Archfiend" once per turn.

Scarlight Red Dragon Archfiend

1 Tuner + 1+ non-Tuner monsters
This card's name becomes "Red Dragon Archfiend" while it is on the field or in the GY. Once per turn: You can destroy as many Special Summoned Effect Monsters on the field as possible with ATK less than or equal to this card's (other than this card), then inflict 500 damage to your opponent for each monster destroyed.

Scarred Dragon Archfiend

1 Tuner + 1+ non-Tuner DARK monsters
This card's name becomes "Red Dragon Archfiend" while on the field or in the GY. If this card is sent from the Monster Zone to the GY: You can Special Summon 1 "Red Dragon Archfiend" from your Extra Deck (this is treated as a Synchro Summon), then, if this card was sent to the GY as Synchro Material for a DARK Dragon Synchro Monster, you can destroy all Attack Position monsters your opponent controls. You can only use this effect of "Scarred Dragon Archfiend" once per turn.

Scrap Archfiend

1 Tuner + 1 or more non-Tuner monsters

Shadowknight Archfiend

The controller of this card pays 900 Life Points during each of his/her Standby Phases (this is not optional). When this card is targeted by the effect of a card controlled by your opponent, when resolving the effect, roll a six-sided die. If the result is 3, negate the effect and destroy the opponent's card. The Battle Damage this card inflicts to your opponent is halved.

Shipping Archfiend

You can target any number of face-up monsters on the field, and declare 1 Type or Attribute; they become that Type or Attribute. If a monster(s) is Special Summoned to your opponent's field, while this card is in your Monster Zone (except during the Damage Step): You can target 1 monster on each field with the same Type and Attribute from each other; return them to the hand. You can only use each effect of "Shipping Archfiend" once per turn.

Simul Archfiends

This turn, neither player can Special Summon monsters with the same card types (Ritual, Fusion, Synchro, Xyz, or Link) they already control. If you do not control 2 or more of the same card types (Ritual, Fusion, Synchro, Xyz, or Link), all Ritual, Fusion, Synchro, Xyz, and Link Monsters you currently control gain 500 ATK. You can only activate 1 "Simul Archfiends" per turn.

Skull Archfiend of Chaos

If this card is in your hand or GY: You can target 3 other cards in the GYs and/or face-up banishment, including a card that mentions "Ritual of Light and Darkness"; place them on the bottom of the Deck in any order, and if you do, Special Summon this card. If this card is sent to the GY: You can send 1 Ritual Spell from your hand or Deck to the GY; add 1 Ritual Monster mentioned on that card from your Deck to your hand. You can only use each effect of "Skull Archfiend of Chaos" once per turn.

Skull Archfiend of Lightning

During each of your Standby Phases, you must pay 500 Life Points (this is not optional), or this card is destroyed. Before resolving an opponent's card effect that targets this card, roll a six-sided die, negate the effect if you roll 1, 3, or 6, and if you do, destroy that card.

Terrorking Archfiend

This card cannot be Normal Summoned or Flip Summoned unless you have an Archfiend Monster Card on your side of the field. The controller of this card pays 800 Life Points during each of his/her Standby Phases (this is not optional). When this card is targeted by the effect of a card controlled by your opponent, when resolving the effect, roll a six-sided die. If the result is 2 or 5, negate the effect and destroy the opponent's card. The effects of an Effect Monster that this card destroyed as a result of battle are negated.

Thought Ruler Archfiend

1 Tuner + 1 or more non-Tuner monsters
If this card destroys a monster by battle and sends it to the Graveyard: Gain LP equal to that monster's original ATK in the Graveyard. During either player's turn, when a Spell/Trap Card is activated that targets exactly 1 Psychic-Type monster (and no other cards): You can pay 1000 LP; negate the activation, and if you do, destroy it.

Throne of the Archfiends

Ritual Summon 1 "Archfiend" Ritual Monster from your hand, face-up Extra Deck, GY, or banishment, by Tributing monsters from your hand or field whose total Levels equal or exceed its Level. During the Standby Phase, if you have "Archfiend Emperor" in your face-up Extra Deck: You can add this card from your GY or banishment to your hand. You can only use this effect of "Throne of the Archfiends" once per turn.

Trance Archfiend

Once per turn: You can discard 1 Fiend-Type monster, and if you do, this card gains 500 ATK until the end of this turn. When this card you control is destroyed and sent to your Graveyard: You can target 1 of your banished DARK monsters; add that target to your hand.

Tyrant Red Dragon Archfiend

2 Tuners + 1 or more non-Tuner monsters
Must be Synchro Summoned, and cannot be Special Summoned by other ways. You can only use each of these effects of "Tyrant Red Dragon Archfiend" once per turn.
● During your Main Phase 1: You can destroy all other cards on the field, also, for the rest of this turn, other monsters you control cannot attack.
● During either player's Battle Phase, when a Spell/Trap Card is activated: You can negate the activation, and if you do, destroy that card, and if you do that, this card gains 500 ATK.

Vector Scare Archfiend

2+ Cyberse monsters
When this card destroys an opponent's monster by battle and sends it to the GY: You can Tribute 1 monster that this card points to; Special Summon that destroyed monster to any zone this card points to. If you Special Summon to your opponent's field by this effect, this card can make a second attack during this Battle Phase (although your opponent gains control of that Special Summoned monster).

Vilepawn Archfiend

The controller of this card pays 500 Life Points during each of his/her Standby Phases (this is not optional). When this card is targeted by the effect of a card controlled by your opponent, when resolving the effect, roll a six-sided die. If the result is 3, negate the effect and destroy the opponent's card. As long as this card remains on the field, your opponent cannot attack any Archfiend Monster Card on your side of the field except "Vilepawn Archfiend".

Weiss, Lightsworn Archfiend

You can place 1 other "Lightsworn" card from your hand on top of the Deck; Special Summon this card from your hand, then send the top 2 cards of your Deck to the GY. If this card is sent from the Deck to the GY: You can target 1 "Lightsworn" monster in your GY, except "Weiss, Lightsworn Archfiend"; Special Summon it. You can only use each effect of "Weiss, Lightsworn Archfiend" once per turn.