Red-Eyes Black Dragon

Dragon/Normal

A ferocious dragon with a deadly attack.

Summoned Skull

Fiend/Normal

A fiend with dark powers for confusing the enemy. Among the Fiend-Type monsters, this monster boasts considerable force.(This card is always treated as an "Archfiend" card.)

Archfiend Cavalry

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.

Archfiend Commander

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.

Archfiend Emperor, the First Lord of Horror

Fiend/Effect

You can Normal Summon this card without Tributing, but its original ATK/DEF become halved. If Summoned this way, it 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.

Armageddon Knight

Warrior/Effect

When this card is Summoned: You can send 1 DARK monster from your Deck to the GY.

Plaguespreader Zombie

Zombie/Tuner/Effect

If this card is in your GY: You can place 1 card from your hand on the top of the Deck; Special Summon this card, but banish it when it leaves the field.

Red Resonator

Fiend/Tuner Effect

When this card is Normal Summoned: You can Special Summon 1 Level 4 or lower monster from your hand. When this card is Special Summoned: You can target 1 face-up monster on the field; gain LP equal to its ATK. You can only use this effect of "Red Resonator" once per turn.

Skull Archfiend of Lightning

Fiend/Effect

The controller of this card pays 500 Life Points during each of his/her Standby Phases (this is not optional). When this card is specifically designated as a target of 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.

Archfiend's Awakening

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.

Advanced Ritual Art

This card can be used to Ritual Summon any 1 Ritual Monster. You must also send Normal Monsters from your Deck to the Graveyard whose total Levels equal the Level of that Ritual Monster.

Allure of Darkness

Draw 2 cards, then banish 1 DARK monster from your hand, or, if you do not have any in your hand, send your entire hand to the GY.

Contract with the Abyss

This card is used to Ritual Summon any DARK Ritual Monster. You must also Tribute monsters from the field or your hand whose total Levels equal the Level of the Ritual Monster you are Ritual Summoning.

Fusion Substitute

(This card's name is always treated as "Polymerization".)
Fusion Summon 1 Fusion Monster from your Extra Deck, using monsters you control as Fusion Materials. You can banish this card from your Graveyard, then target 1 Fusion Monster in your Graveyard; return it to the Extra Deck, then draw 1 card.

Monster Reborn

Special Summon 1 monster from either player's Graveyard to your side of the field.

Polymerization

Fusion Summon 1 Fusion Monster from your Extra Deck, using monsters from your hand or your side of the field as Fusion Materials.

Preparation of Rites

Add 1 Level 7 or lower Ritual Monster from your Deck to your hand, then you can add 1 Ritual Spell Card from your Graveyard to the hand.

Red-Eyes Fusion

Fusion Summon 1 Fusion Monster that lists a "Red-Eyes" monster as Material from your Extra Deck, using monsters from your hand, Deck, or field as Fusion Materials, and if you do, its name becomes "Red-Eyes B. Dragon". You cannot Normal or Special Summon other monsters the turn you activate this card. You can only activate 1 "Red-Eyes Fusion" per turn.

Silent Doom

Target 1 Normal Monster in your Graveyard; Special Summon it in face-up Defense Position, but it cannot attack.

Sinister Yorishiro

Each turn, 1 Level 5 or higher Fiend monster you Normal Summon can be Summoned without Tributing. If exactly 1 Normal Summoned/Set Level 5 or higher Fiend monster (and no other cards) would be destroyed, you can send this card to the GY instead.

Knightmare Phoenix

Fiend/Link/Effect

2 monsters with different names
If this card is Link Summoned: You can discard 1 card, then target 1 Spell/Trap your opponent controls; destroy it, then, if this card was co-linked when this effect was activated, you can draw 1 card. You can only use this effect of "Knightmare Phoenix" once per turn. Co-linked monsters you control cannot be destroyed by battle.

Knightmare Unicorn

Fiend/Link/Effect

2+ monsters with different names
If this card is Link Summoned: You can discard 1 card, then target 1 card on the field; shuffle it into the Deck, then if this card was co-linked when this effect was activated, you can draw 1 card. You can only use this effect of "Knightmare Unicorn" once per turn. While a co-linked "Knightmare" monster(s) is on the field, draw cards equal to the number of those monsters with different names instead of 1 for your normal draw during your Draw Phase.

Masterking Archfiend

Fiend/Link/Effect

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 toyour GY (except during 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.

Underclock Taker

Cyberse/Link/Effect

2 Effect Monsters
Once per turn: You can target 1 face-up monster this card points to, and 1 face-up monster your opponent controls; the opponent's target loses ATK equal to the ATK of the target this monster points to, until the end of this turn.

Wee Witch's Apprentice

Spellcaster/Link/Effect

2 DARK monsters
All DARK monsters on the field gain 500 ATK/DEF, also all LIGHT monsters on the field lose 400 ATK/DEF. If this card is destroyed by battle or card effect: You can target 1 DARK monster in your GY; add it to your hand. You can only use this effect of "Wee Witch's Apprentice" once per turn.

Archfiend Black Skull Dragon

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 or 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's Manifestation

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.

First of the Dragons

Dragon/Fusion/Effect

2 Normal Monsters
Must be Fusion Summoned and cannot be Special Summoned by other ways. You can only control 1 "First of the Dragons". This card cannot be destroyed by battle, except by battle with a Normal Monster, and is unaffected by other monsters' effects.

Archfiend's Call

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.

Archfiend's Ascent

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.

Divine Arsenal AA-ZEUS - Sky Thunder

Machine/Xyz/Effect

2 Level 12 monsters
Once per turn, if an Xyz Monster battled this turn, you can also Xyz Summon "Divine Arsenal AA-ZEUS - Sky Thunder" by using 1 Xyz Monster you control as material. (Transfer its materials to this card.) (Quick Effect): You can detach 2 materials from this card; send all other cards from the field to the GY. Once per turn, if another card(s) you control is destroyed by battle or an opponent's card effect: You can attach 1 card from your hand, Deck, or Extra Deck to this card as material.