Fiend / Effect

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

Beast / Normal

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

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.

Fiend / Normal

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

Zombie / Synchro / Effect

"Plaguespreader Zombie" + 2+ non-Tuner Zombie monsters

Zombie monsters you control cannot be destroyed by card effects.

Fiend / Effect

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

Fiend / Effect

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.

Fiend / Xyz / Effect

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.

Fiend / Ritual / Effect

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.

Fiend / Synchro / Effect

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.

Titan / Skill

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.

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.

Fiend / Fusion / Effect

"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.

Once per turn: You can pay 500 LP, 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 GY.

Titan / Skill

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.

Pay 500 LP, then target 1 "Archfiend" monster in your GY; Special Summon that target, but it cannot be Tributed, also it is destroyed during the End Phase of this turn.

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.

Fairy / Effect

If you have exactly 4 Fairy monsters in your GY, you can Special Summon this card (from your hand). If Summoned this way: Target 1 Fairy monster in your GY; add that target to your hand. Neither player can Special Summon monsters. If this face-up card would be sent from the field to the GY, place it on top of the Deck, instead.

Fairy / Effect

This card cannot be Normal Summoned or Set. This card cannot be Special Summoned except by Tributing 1 face-up "Warrior of Zera" on your side of the field while "The Sanctuary in the Sky" is on the field. If "The Sanctuary in the Sky" is on your side of the field, by discarding 1 LIGHT Monster Card from your hand to the Graveyard, destroy all monsters on your opponent's side of the field. If "The Sanctuary in the Sky" is not on your side of the field, this effect is not applied.

Dragon / Effect

Cannot be Normal Summoned/Set. Must first be Special Summoned (from your hand) by banishing 3 monsters with different Types from your GY and/or face-up field. Cannot be destroyed by card effects. You can declare 1 Monster Type on the field; destroy all monsters on the field with that Type, also until the end of the next turn, neither player can Special Summon monsters with that Type. You can only use this effect of "Archnemeses Eschatos" once per turn.

Wyrm / Effect

Cannot be Normal Summoned/Set. Must first be Special Summoned (from your hand) by banishing 3 monsters with different Attributes from your GY and/or face-up field. Cannot be destroyed by card effects. You can declare 1 monster Attribute on the field; destroy all monsters on the field with that Attribute, also until the end of the next turn, neither player can Special Summon monsters with that Attribute. You can only use this effect of "Archnemeses Protos" once per turn.

Machine / Effect

If you control no monsters, you can Normal Summon this card without Tributing. If this card is Normal or Special Summoned: You can target 1 Level 8 or lower Machine monster in your GY; Special Summon it in Defense Position, and if you do, its Level becomes 9, also negate its effects. You can only use this effect of "Arcjet Lightcraft" once per turn. You cannot Special Summon monsters from the Extra Deck, except Machine Xyz Monsters.

Fairy / Effect

While this Special Summoned card is on the field, "Melodious" monsters you control cannot be targeted by card effects, or be destroyed by battle.

Fiend / Effect

You can send 1 Normal Trap from your hand or that's Set on your field to the GY; Special Summon 1 Level 4 or lower Fiend monster from your Deck in Defense Position, except "Ariane the Labrynth Servant". If another monster(s) leaves the field by your Normal Trap effect (except during the Damage Step): You can draw 1 card, then you can apply this effect.

● From your hand, either Special Summon 1 Fiend monster, or Set 1 Spell/Trap.

You can only use each effect of "Ariane the Labrynth Servant" once per turn.

Fiend / Effect

If this card is Normal or Special Summoned: You can add 1 "Labrynth" card from your Deck to your hand, except "Arianna the Labrynth Servant". If another monster(s) leaves the field by your Normal Trap effect (except during the Damage Step): You can draw 1 card, then you can apply this effect.

● From your hand, either Special Summon 1 Fiend monster, or Set 1 Spell/Trap.

You can only use 1 "Arianna the Labrynth Servant" effect per turn, and only once that turn.