Archfiend Deck Breakdown

DARK 4

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.

DARK 12

There can only be 1 "Earthbound Immortal" monster on the field. During the Main Phase (Quick Effect): You can banish this card from your hand or GY; send 1 "Earthbound Immortal" monster or "Red Dragon Archfiend" from your hand or face-up Monster Zone to the GY, then you can apply 1 of these effects. ● Special Summon 1 "Earthbound" monster from your Deck or Extra Deck. ● Special Summon 1 "Red Nova Dragon" from your Extra Deck. (This is treated as a Synchro Summon.) You can only use this effect of "Earthbound Immortal Red Nova" once per turn.

DARK 5

If you control a Fiend Tuner and this card is in your hand: You can Special Summon this card. If this card is Special Summoned: You can reduce its Level by up to 2. If this card is sent to the GY as Synchro Material for "Red Dragon Archfiend" or a Synchro Monster that mentions it: You can target 1 Level 4 or lower Fiend monster in your GY; Special Summon it in Defense Position. You can only use each effect of "Fiend Piece Golem" once per turn.

LIGHT 11

During the Main Phase, if your opponent Normal or Special Summoned 5 or more monsters this turn (Quick Effect): You can Tribute as many face-up monsters on the field as possible, and if you do, Special Summon this card from your hand, then Special Summon 1 "Primal Being Token" (Rock/LIGHT/Level 11/ATK ?/DEF ?) to your opponent's field. (This Token's ATK/DEF become the combined original ATK/DEF of the Tributed monsters.) You can only use this effect of "Nibiru, the Primal Being" once per turn.

DARK 5

A "Red Dragon Archfiend" that was Synchro Summoned using this card as material cannot be destroyed by battle. You can only use each of the following effects of "Power Vice Dragon" once per turn. If you control no monsters, or all monsters you control are DARK Synchro Monsters: You can Special Summon this card from your hand. If this card is Special Summoned: You can add 1 "Resonator" monster from your Deck to your hand, also you cannot Special Summon from the Extra Deck for the rest of this turn, except DARK Synchro Monsters.

FIRE 3

During the Main Phase, if you control a Fiend Tuner, or your opponent controls a Special Summoned monster (Quick Effect): You can Special Summon this card from your hand. If this card is Special Summoned: You can inflict 400 damage to your opponent for each FIRE monster you control with different names. If this card is sent to the GY as Synchro Material: You can send 1 Normal Trap from your Deck to the GY. You can only use each effect of "Red Lotus King, Flame Crime" once per turn.

FIRE 3

When a card or effect is activated that includes any of these effects (Quick Effect): You can discard this card; negate that effect. ● Add a card from the Deck to the hand. ● Special Summon from the Deck. ● Send a card from the Deck to the GY. You can only use this effect of "Ash Blossom & Joyous Spring" once per turn.

DARK 2

If you control no monsters: You can Special Summon this card from your hand. If the only other monster you control is exactly 1 DARK Dragon Synchro Monster: You can Special Summon up to 2 "Resonator" monsters from your hand or Deck, except "Crimson Resonator". You can only use each effect of "Crimson Resonator" once per turn. You cannot Special Summon monsters from the Extra Deck, except DARK Dragon Synchro Monsters, the turn you activate either of this card's effects.

DARK 3

You can reveal 1 "Red Dragon Archfiend" in your Extra Deck; Special Summon this card from your hand, also you cannot Special Summon from the Extra Deck for the rest of this turn, except Synchro Monsters. If this card is Special Summoned: You can activate this effect; during your Main Phase this turn, you can Normal Summon 1 "Resonator" monster, in addition to your Normal Summon/Set (you can only gain this effect once per turn). You can target any number of Tuners you control; change their Levels to 1. You can only use each effect of "Darkness Resonator" once per turn.

FIRE 3

If this card is Normal or Special Summoned: You can add 1 Level 4 or lower Fiend monster from your Deck to your hand, except "Soul Resonator", also you cannot Special Summon monsters from the Extra Deck for the rest of this turn, except DARK Synchro Monsters. If a card(s) you control would be destroyed by card effect, while you control "Red Dragon Archfiend" or a Synchro Monster that mentions it, you can banish this card from your GY instead. You can only use each effect of "Soul Resonator" once per turn.

DARK 1

If a Synchro Monster is on the field, you can Special Summon this card (from your hand). You can only Special Summon "Synkron Resonator" once per turn this way. If this card is sent from the field to the Graveyard: You can target 1 "Resonator" monster in your Graveyard, except "Synkron Resonator"; add it to your hand.

DARK 2

If a Level 5 or higher DARK monster is on the field, you can Special Summon this card (from your hand). You can only Special Summon "Vision Resonator" once per turn this way. If this card is sent to the GY: You can add 1 Spell/Trap that mentions "Red Dragon Archfiend" from your Deck to your hand. You can only use this effect of "Vision Resonator" once per turn.

Spell Quick

If you control a Level 8 or higher Synchro Monster: Add 1 card from your GY to your hand, except "Burning Soul", then, immediately after this effect resolves, Synchro Summon using monsters you control as material. For the rest of this turn after this card resolves, your opponent cannot target Synchro Monsters on the field with card effects. You can only activate 1 "Burning Soul" per turn.

Spell Quick

Target 1 monster in your opponent's GY; banish it, and if you do, until the end of the next turn, its effects are negated, as well as the activated effects and effects on the field of monsters with the same original name.

Spell Normal

Add 1 Level 4 or lower Fiend monster from your GY to your hand, or if you control "Red Dragon Archfiend" or a Synchro Monster that mentions it, you can add 1 such monster from your Deck instead. At the end of the Damage Step, if your "/Assault Mode" monster or "Red Dragon Archfiend" attacked: You can banish this card from your GY; the attacking monster can make a second attack in a row. You can only activate 1 "Crimson Call" per turn.

Spell Continuous

During your Main Phase: You can add 1 "Red Dragon Archfiend" or 1 card that mentions it from your Deck or GY to your hand, except "Crimson Gaia". When your "Red Dragon Archfiend" declares an attack: You can change all monsters your opponent controls to face-down Defense Position. If a monster(s) on the field is destroyed by battle or card effect: You can Special Summon 1 "Red Dragon Archfiend" from your GY. You can only use each effect of "Crimson Gaia" once per turn.

Spell Normal

Add 1 "Resonator" monster from your Deck to your hand.

Spell Normal

Target 1 Tuner or 1 Level 7 or 8 Dragon Synchro Monster in your GY; Special Summon it in Defense Position, also for the rest of this turn after this card resolves, you cannot Special Summon from the Extra Deck, except Synchro Monsters. If a Level 7 or 8 Dragon Synchro Monster(s) or "Crimson Dragon" you control would be destroyed by battle or card effect, you can banish this card from your GY instead. You can only activate 1 "Synchro Rumble" per turn.

Spell Normal

If your opponent has activated a monster effect during your Main Phase this turn: Activate 1 of these effects; ● Draw 2 cards. ● Take control of 1 monster your opponent controls until the End Phase. ● Look at your opponent's hand, and choose 1 card from it to shuffle into the Deck. You can only activate 1 "Triple Tactics Talent" per turn.

Trap Normal

Target 1 face-up monster your opponent controls; negate its effects (until the end of this turn), then, if this card was Set before activation and is on the field at resolution, for the rest of this turn all other Spell/Trap effects in this column are negated. If you control no cards, you can activate this card from your hand.

Trap Normal

During the turn in which your opponent has Special Summoned 10 or more monsters, neither player can activate cards or effects in response to this card's activation. Apply the following effects in sequence, based on the number of monsters your opponent Special Summoned this turn. ● 1+: Special Summon 1 DARK Synchro Monster from your GY or banishment. ● 3+: Every "Red Dragon Archfiend" in your Monster Zone is unaffected by your opponent's activated effects, until the end of your next turn. ● 5+: Change all your opponent's monsters to face-down Defense Position. You can only activate 1 "King's Resonance" per turn.

Trap Normal

If you control a Level 8 or higher Synchro Monster: Banish all monsters on the field, except the monster(s) with the highest Level, also the remaining face-up monsters on the field are unaffected by other card effects, except their own, until the end of this turn. If a DARK Dragon Synchro Monster is Synchro Summoned to your field while this card is in your GY: You can add this card to your hand. You can only use this effect of "Red Reign" once per turn.

Trap Continuous

When your opponent activates a card or effect while you control "Red Dragon Archfiend" or a Synchro Monster that mentions it: You can target 1 card on the field; destroy it. You can target 1 of your banished DARK Dragon Synchro Monsters; Special Summon it. You can only use each effect of "Red Zone" once per turn.

Trap Normal

If a Dragon Synchro Monster is on the field: Special Summon up to 2 monsters, that are "Resonator" monsters and/or Level 1 Dragon monsters, from your Deck. When a monster effect is activated, while you control a Level 10 or higher DARK Dragon Synchro Monster: You can banish this card from your GY; negate that effect, and if you do, 1 Synchro Monster you control gains 2000 ATK until the end of the next turn. You can only use each effect of "Time to Stand Up" once per turn.

DARK 10

1 Tuner + 1+ non-Tuner Dragon monsters You can target 1 banished LIGHT or DARK monster; Special Summon it to your field. When your opponent activates a monster effect (Quick Effect): You can target 1 banished card; shuffle it into the Deck, then if you shuffled it into your Deck, destroy that monster, or if you shuffled it into your opponent's Deck, negate that activated effect. You can only use each effect of "Bystial Dis Pater" once per turn.

DARK 9

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.

DARK 10

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.

DARK 8

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.

DARK 12

4 Tuners + 1+ non-Tuner Synchro Monsters Must first be Synchro Summoned with the above materials. Gains 500 ATK for each Tuner in your GY. Your opponent cannot target this card with card effects, also it cannot be destroyed by your opponent's card effects. Once per turn (Quick Effect): You can banish this card, also banish as many cards in your opponent's field and GY as possible, then you can Special Summon 1 "Red Nova Dragon" from your Extra Deck (this is treated as a Synchro Summon).

DARK 12

2 Tuners + "Red Dragon Archfiend" This card gains 500 ATK for each Tuner monster in your Graveyard. Cannot be destroyed by an opponent's card effects. When an opponent's monster declares an attack: You can target the attacking monster; banish this card, and if you do, negate that attack. During the next End Phase: Special Summon this card banished by this effect.

DARK 6

1 Fiend Tuner + 1+ non-Tuner monsters When this card is Synchro Summoned: You can target 1 "Resonator" monster in your GY; Special Summon it. You cannot Special Summon monsters from the Extra Deck the turn you activate this effect, except DARK Dragon Synchro Monsters. During your Main Phase, except the turn this card was sent to the GY: You can banish this card from your GY, then target 2 Level 1 "Resonator" monsters in your GY; Special Summon both.

DARK 12

3 Tuners + 1+ non-Tuner Synchro Monsters Must first be Synchro Summoned. Gains 500 ATK for each Tuner in your GY. Cannot be destroyed by your opponent's card effects. Once per turn, when your opponent's monster effect is activated, or when an opponent's monster declares an attack (Quick Effect): You can activate this effect; banish this card, also banish all cards your opponent controls. Once per turn, during your next End Phase after this card was banished by its own effect: Special Summon this banished card.

DARK 8

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.

DARK 8

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.

DARK 11

1 Tuner + 1+ non-Tuners Your opponent cannot target this card with card effects. You can only use each of the following effects of "Storm-Bane Dragon Destorbim" once per turn. You can banish any number of DARK monsters from your GY that cannot be Normal Summoned/Set; banish that many cards your opponent controls. This is a Quick Effect if your opponent controls more cards than you do. If this card is sent to the GY: You can Special Summon 1 of your banished Dragon monsters.

DARK 8

1 Tuner + 1+ non-Tuner DARK monsters If this card is Synchro Summoned: You can add 1 card that mentions "Red Dragon Archfiend" from your Deck to your hand. When your opponent activates a monster effect (Quick Effect): You can banish this card you control; Special Summon 1 "Red Dragon Archfiend" from your Extra Deck (this is treated as a Synchro Summon), and if you do, its ATK becomes doubled, also it cannot be destroyed by your opponent's card effects. You can only use each effect of "The Crimson King" once per turn.

DARK 10

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.