Structure Deck: The Crimson King

During your opponent's turn (Quick Effect): You can banish this card from the GY; excavate the top card of your Deck, and if it is a Normal Trap, Set it to your field. Otherwise, send it to the GY. That Set card can be activated during this turn. If this card is sent to the GY: You can look at 3 cards from the top of your Deck, then place them on the top of the Deck in any order. You can only use each effect of "Absolute King Back Jack" once per turn.

Absolute King Back Jack

Target 1 "Red Dragon Archfiend" you control; if it battles an opponent's monster this turn while you control it, apply these effects until the end of the Damage Step.
● It gains 1000 ATK.
● Your opponent cannot activate cards or effects.
● If it attacks a Defense Position monster, inflict piercing battle damage to your opponent.
● Any battle damage your opponent takes from that battle is doubled.

Absolute Powerforce

You can discard 1 card; Special Summon this card from your hand in Defense Position, then you can Special Summon 1 "Fire Ant Ascator" from your hand or Deck. You cannot Special Summon monsters from the Extra Deck the turn you activate this effect, except Synchro Monsters. You can only use this effect of "Ascator, Dawnwalker" once per turn.

Ascator, Dawnwalker

You can discard this card to the GY; add 1 "Assault Mode Activate" from your Deck to your hand.

Assault Beast

Tribute 1 Synchro Monster; Special Summon 1 "/Assault Mode" monster, whose name includes the Tributed monster's name, from your Deck in Attack Position.

Assault Mode Activate

When an opponent's monster declares a direct attack: You can Special Summon this card from your hand, then end the Battle Phase. If Summoned this way, banish it when it leaves the field.

Battle Fader

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.

Bone Archfiend

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.

Burning Soul

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

Creation Resonator

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.

Crimson Gaia

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.

Crimson Resonator

You can reveal this card in your hand; your opponent randomly chooses 1 card from your entire hand, then you discard the chosen card. Then, if the discarded card was not "Danger! Chupacabra!", Special Summon 1 "Danger! Chupacabra!" from your hand, and if you do, draw 1 card. If this card is discarded: You can target 1 "Danger!" monster in your GY, except "Danger! Chupacabra!"; Special Summon it. You can only use this effect of "Danger! Chupacabra!" once per turn.

Danger! Chupacabra!

You can reveal this card in your hand; your opponent randomly chooses 1 card from your entire hand, then you discard the chosen card. Then, if the discarded card was not "Danger! Nessie!", Special Summon 1 "Danger! Nessie!" from your hand, and if you do, draw 1 card. If this card is discarded: You can add 1 "Danger!" card from your Deck to your hand, except "Danger! Nessie!". You can only use this effect of "Danger! Nessie!" once per turn.

Danger! Nessie!

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

Dark Resonator

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.

Fiendish Chain

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.

Fiendish Golem

When this card is destroyed by battle and sent to the GY: You can target 1 Level 5 monster in your GY; Special Summon that target, but its effects are negated, also send it to the GY during the End Phase of this turn.

Fire Ant Ascator

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.

Hot Red Dragon Archfiend Abyss

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.

Hot Red Dragon Archfiend Bane

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.

Hot Red Dragon Archfiend King Calamity

When your opponent's monster declares an attack on a Synchro Monster you control: Negate the attack, then you can apply the rest of this card's effect. Banish that Synchro Monster you control and 1 Tuner from your Graveyard, and if you do, Special Summon from your Extra Deck 1 Synchro Monster whose Level equals the total Levels the banished monsters had. (This Special Summon is treated as a Synchro Summon.)

King's Synchro

Cannot be used as a Synchro Material, except for the Synchro Summon of a DARK Synchro Monster. If you control a Tuner monster, you can Special Summon this card (from your hand). If this card is Normal or Special Summoned: You can target 1 other monster you control or in your Graveyard; until the end of this turn, this card's Level becomes the same as that monster's, also you cannot Special Summon, except by Synchro Summon.

Magical King Moonstar

If you use this card you control for a Synchro Summon, you can treat it as a non-Tuner monster.

Phantom King Hydride

At the start of your Main Phase 1: Banish 3 or 6 random face-down cards from your Extra Deck, face-down; draw 1 card for every 3 cards banished. For the rest of this turn after this card resolves, you cannot draw any cards by card effects.

Pot of Extravagance

Activate this card by targeting 1 Level 4 or lower monster in your GY; Special Summon that target. Increase its Level by 1 and ATK and DEF by 100. When that monster is destroyed, destroy this card.

Powerful Rebirth

If this card is Normal or Special Summoned: You can add 1 "Assault Mode Activate", or 1 card that specifically lists "Assault Mode Activate" in its text, from your Deck to your hand, except "Psi-Reflector". You can reveal 1 "Assault Mode Activate" in your hand, then target 1 monster in your GY that specifically lists "Assault Mode Activate" in its text, except "Psi-Reflector"; Special Summon it, and if you do, increase its Level by 1 to 4. You can only use each effect of "Psi-Reflector" once per turn.

Psi-Reflector

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.

Red Dragon Archfiend

This card cannot be Normal Summoned or Set. This card cannot be Special Summoned except with "Assault Mode Activate". If this card attacks, destroy all other monsters after damage calculation. When this card on the field is destroyed, you can Special Summon 1 "Red Dragon Archfiend" from your Graveyard.

Red Dragon Archfiend/Assault Mode

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.

Red Nova Dragon

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.

Red Reign

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.

Red Resonator

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.

Red Rising Dragon

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.

Red Sprinter

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.

Red Supernova Dragon

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

Red Warg

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.

Red Zone

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

Resonator Call

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.

Resonator Command

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.

Resonator Engine

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.

Scarlight Red Dragon Archfiend

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.

Scarred Dragon Archfiend

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.

Soul Resonator

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.

Synkron Resonator

Target 1 card your opponent controls and 1 card in their GY; send that card on the field to the GY, and if you do, Set the other card from the GY to your opponent's field. You can only activate 1 "Terrors of the Overroot" per turn.

Terrors of the Overroot

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.

Time to Stand Up

If your opponent controls a monster and you control no monsters, you can Special Summon this card (from your hand), but its original ATK and DEF become halved.

Vice Dragon

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.

Vision Resonator

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.

Wandering King Wildwind

If this card is sent from the field to the GY: Add 1 monster with 1500 or less DEF from your Deck to your hand, but you cannot activate cards, or the effects of cards, with that name for the rest of this turn. You can only use this effect of "Witch of the Black Forest" once per turn.