Dragon / Fusion / Effect

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.

Fiend / Effect

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.

Fiend / Effect

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.

Fiend / Pendulum / Effect

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.

Monster Effect: 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.

Fiend / Effect

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.

Fiend / Effect

If exactly 1 face-up DARK Fiend monster on the field, except this card, would be destroyed, you can banish 1 DARK Fiend monster from your GY, instead. When this card is destroyed and sent from the field to the GY: You can target 1 Level 6 or higher DARK Fiend monster in your GY, except "Archfiend Empress"; Special Summon it.

Fiend / Effect

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

Fiend / Effect

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.

Fiend / Effect

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

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

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 / 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.