DARK 4

You can Tribute 1 Fiend monster, then target 1 DARK Dragon Synchro Monster in your GY; Special Summon it in Defense Position, but negate its effects. You can banish this card from your GY, then target 1 DARK Dragon Synchro Monster you control and declare a Level from 1 to 8; that monster becomes that Level until the end of this turn. You can only use each effect of "Red Familiar" once per turn.

FIRE 4

During either player's turn, when your opponent activates a card or effect while you control a "Red Dragon Archfiend" monster: You can send this card from your hand to the Graveyard; this turn, monsters you control cannot be destroyed by your opponent's card effects.

FIRE 4

When this card is Normal or Special Summoned while you control no other monsters: You can Special Summon 1 Level 3 or lower Fiend-Type Tuner from your hand or Graveyard. You can only use this effect of "Red Sprinter" once per turn.

FIRE 6

When you Normal Summon a "Resonator" monster: You can Special Summon this card from your hand, but its ATK becomes halved.

DARK 4

If you control a Fiend-Type Tuner with 1500 or less ATK, you can Special Summon this card (from your hand). If you attempt this, you cannot Special Summon monsters from the Extra Deck for the rest of this turn, except Synchro Monsters. During your Main Phase, except the turn this card was sent to the Graveyard: You can banish this card from your Graveyard; add 1 Fiend-Type Tuner with 1500 or less ATK from your Deck to your hand.

DARK 7

1 "Resonator" Tuner + 1+ non-Tuners (This card is always treated as "Crimson Blader".) If this card is Synchro Summoned: You can take 1 Level 8 or higher monster that cannot be Normal Summoned/Set from your Deck or GY, and either add it to your hand or Special Summon it, but negate its effects. You can only use this effect of "Crimson Blade Dragon" once per turn. At the start of the Damage Step, if this card battles a Level 5 or higher monster: You can destroy that monster.

DARK 12

1 Tuner + 1+ non-Tuners Gains ATK equal to the total original ATK of all other Synchro Monsters you control. You can only use each of the following effects of "Crimson Dragon Quetzacoatl" once per turn. If this card is Synchro Summoned: You can Special Summon as many Dragon Synchro Monsters from your GY as possible, also you cannot Special Summon for the rest of this turn. When your opponent activates a monster effect (Quick Effect): You can return 1 other Dragon Synchro Monster you control to the Extra Deck, and if you do, negate that activation.

DARK 8

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.

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 12

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.

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 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 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 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.

LIGHT 1

When this card is Normal Summoned while a Synchro Monster is on the field: You can Special Summon 1 "Resonator" monster from your Deck, except "Chain Resonator".

WIND 3

If you control a Level 8 or higher Synchro Monster, you can Special Summon this card (from your hand).

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

The first time this card would be destroyed by battle each turn, it is not destroyed.

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.

WATER 2

You can send this face-up card you control to the Graveyard, then target 1 face-up monster you control; if it attacks this turn, your opponent cannot activate cards or effects that target a monster(s) until the end of the Damage Step.

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 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

If you control no face-up cards: Activate 1 of these effects; ● Destroy all Attack Position monsters your opponent controls. ● Destroy all Spells and Traps your opponent controls. You can only activate 1 "Lightning Storm" per turn.

Spell Normal

Target 1 monster in either GY; Special Summon it.

Spell Equip

If the equipped monster battles your opponent's monster, during damage calculation: The equipped monster's ATK/DEF become equal to the ATK or DEF (whichever is higher) of the opponent's battling monster +100, during damage calculation only. If this face-up card is sent from the field to the GY: Pay 500 LP; place this card on either the top or bottom of your Deck.

Spell Normal

Draw 2 cards.

Spell Equip

Pay LP in multiples of 100 (max. 2000); equip this card to a monster. It gains that much ATK and DEF. You can only activate 1 "Psychic Blade" per turn.

Spell Normal

Destroy all monsters your opponent controls.

Spell Continuous

Each time a "Resonator" monster(s) is sent to the Graveyard as a Synchro Material: Target 1 card your opponent controls; destroy that target. Destroy this card during your 2nd End Phase after activation.

Spell Normal

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

Spell Quick

Discard 1 "Resonator" monster; add 1 Level 4 or lower Fiend monster from your Deck to your hand. You can only activate 1 "Resonator Command" per turn.

Spell Normal

Target 2 "Resonator" monsters in your Graveyard; add 1 Level 4 monster from your Deck to your hand, and if you do, return those targets to the Deck.

Trap Continuous

Activate this card by targeting 1 Effect Monster on the field; negate the effects of that face-up monster while it is on the field, also that face-up monster cannot attack. When it is destroyed, destroy this card.

Trap Normal

Target 1 monster on the field with 2000 or more ATK; banish it (until the End Phase of the next turn), then if you activated this card while you controlled "Red Dragon Archfiend" or a Synchro Monster that mentions it, you can Set 1 "Fiendish Chain" directly from your Deck or GY.

Trap Normal

If a Dragon-Type Synchro Monster is on the field: Target up to 2 "Resonator" monsters in your Graveyard; Special Summon them.

Trap Continuous

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.

Trap Continuous

Your opponent's monsters cannot declare attacks. During each of your End Phases, you must pay 1000 LP (this is not optional), or this card is destroyed. You can target 1 Level 1 Tuner monster in your Graveyard; destroy this card, and if you do, Special Summon that target. "Red Dragon Archfiend" must be on the field to activate and to resolve this effect.

DARK 7

1 "Resonator" Tuner + 1+ non-Tuners (This card is always treated as "Crimson Blader".) If this card is Synchro Summoned: You can take 1 Level 8 or higher monster that cannot be Normal Summoned/Set from your Deck or GY, and either add it to your hand or Special Summon it, but negate its effects. You can only use this effect of "Crimson Blade Dragon" once per turn. At the start of the Damage Step, if this card battles a Level 5 or higher monster: You can destroy that monster.

DARK 12

1 Tuner + 1+ non-Tuners Gains ATK equal to the total original ATK of all other Synchro Monsters you control. You can only use each of the following effects of "Crimson Dragon Quetzacoatl" once per turn. If this card is Synchro Summoned: You can Special Summon as many Dragon Synchro Monsters from your GY as possible, also you cannot Special Summon for the rest of this turn. When your opponent activates a monster effect (Quick Effect): You can return 1 other Dragon Synchro Monster you control to the Extra Deck, and if you do, negate that activation.

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 12

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.

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 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 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.

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.

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 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

If you control no face-up cards: Activate 1 of these effects; ● Destroy all Attack Position monsters your opponent controls. ● Destroy all Spells and Traps your opponent controls. You can only activate 1 "Lightning Storm" per turn.

Spell Normal

Target 1 monster in either GY; Special Summon it.

Spell Normal

Draw 2 cards.

Spell Normal

Destroy all monsters your opponent controls.

Trap Continuous

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.