Red Dragon Vase

Activate only if you control a face-up Red Dragon Archfiend. Draw 2 cards. You cannot Normal or Special Summon another monster until the end of your opponent's turn if you activate this card.

Red Duston

Fiend/Effect

This card cannot be Tributed, or be used for a Fusion, Synchro, or Xyz Summon. When this card on the field is destroyed: Inflict 500 damage to its controller. You can only control 1 face-up "Red Duston".

Red Familiar

Fiend/Effect

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.

Red Gardna

Fiend/Effect

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.

Red Hared Hasty Horse

Beast/Effect

If there is column with no cards, you can Special Summon this card (from your hand) in Attack Position to your zone in that column. You can only Special Summon "Rapid Red Hared Mare" once per turn this way. If another card is placed in this card's column: Destroy this card. Once per turn: You can halve this card's original ATK for the rest of this turn, and if you do, it can attack directly this turn.

Red Medicine

Increase your Life Points by 500 points.

Red Mirror

Fiend/Effect

When an opponent's monster declares an attack: You can send this card from your hand to the Graveyard, then target 1 FIRE Fiend-Type monster in your Graveyard, except "Red Mirror"; add it to your hand. If you Synchro Summon while this card is in your Graveyard (except during the Damage Step, or the turn this card was sent to the Graveyard): You can add this card to your hand. You can only use each effect of "Red Mirror" once per turn.

Red Nova

Fairy/Tuner/Effect

If a Level 8 or higher Dragon-Type Synchro Monster is on the field, you can Special Summon this card (from your hand). You can only Special Summon "Red Nova" once per turn this way. If this card is sent to the Graveyard for a Synchro Summon that uses 2 or more Tuner monsters as Materials: You can Special Summon 1 FIRE Fiend-Type monster from your Deck in Defense Position.

Red Reign

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 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.

Red Rose Dragon

Dragon/Tuner/Effect

If this card is sent to the GY as Synchro Material: You can Special Summon 1 “Rose Dragon” monster from your hand or Deck, except “Red Rose Dragon”, then, if it was sent for the Synchro Summon of “Black Rose Dragon” or a Plant Synchro Monster, you can also add 1 “Frozen Rose” or 1 “Blooming of the Darkest Rose” from your Deck to your hand. You can only use this effect of "Red Rose Dragon" once per turn.

Red Screen

Your opponent's monsters cannot declare attacks. This card's controller must pay 1000 Life Points during each of their End Phases (this is not optional), or this card is destroyed. If Red Dragon Archfiend is face-up on the field, you can select 1 Level 1 Tuner Monster in your Graveyard, then destroy this card and Special Summon that monster.

Red Sparrow Summoner

Spellcaster/Effect

When this card you control is destroyed by battle with an opponent's attacking monster and sent to your Graveyard: You can Special Summon 1 Warrior-Type monster with 1500 or less ATK from your Deck in Attack Position.

Red Sprinter

Fiend/Effect

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 monster from your hand or Graveyard. You can only use this effect of "Red Sprinter" once per turn.

Red Warg

Fiend/Effect

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

Barrier Resonator

Fiend/Tuner/Effect

During either player's turn, you can send this card from your hand to the Graveyard to select 1 face-up Tuner monster you control. This turn, that monster cannot be destroyed by battle, and you take no Battle Damage from battles involving that monster.

Chain Resonator

Fiend/Tuner/Effect

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".

Clock Resonator

Fiend/Tuner/Effect

Once per turn, this face-up Defense Position cannot be destroyed by battle or by a card effects.

Creation Resonator

Fiend/Tuner/Effect

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

Crimson Resonator

Fiend/Tuner/Effect

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 Resonator

Fiend/Tuner/Effect

Once per turn, this card cannot be destroyed by battle.

Double Resonator

Fiend/Tuner/Effect

If this card is Normal or Special Summoned: You can target 1 face-up monster on the field; that target is treated as a Tuner this turn. You can banish this card from your Graveyard, then target 1 Fiend-Type monster you control; that Fiend-Type monster is treated as a Tuner this turn. You can only use this effect of "Double Resonator" once per turn.

Flare Resonator

Fiend/Tuner/Effect

When this monster is used for a Synchro Summon, the Summoned monster gains 300 ATK.

Force Resonator

Fiend/Tuner/Effect

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

Mirror Resonator

Fiend/Tuner/Effect

If your opponent controls a face-up monster(s) that was Special Summoned from the Extra Deck and you do not, while this card is in your hand or Graveyard: You can Special Summon this card, but banish it when it leaves the field. You can only use this effect of "Mirror Resonator" once per turn. Once per turn: You can target 1 face-up monster your opponent controls; treat this card's Level as that monster's original Level if this card is used for a Synchro Summon this turn.

Resonator Call

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

Resonator Command

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 Engine

Select 2 "Resonator" monsters in your Graveyard. Add 1 Level 4 monster from your Deck to your hand and return selected monsters in your Graveyard to the Deck.

Synkron Resonator

Fiend/Tuner/Effect

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.

Synchro Call

Target 1 monster in your Graveyard; Special Summon it, but it has its effects negated (if any), and if you do, immediately after this effect resolves, Synchro Summon 1 DARK Dragon or Fiend-Type Synchro Monster using only monsters you control as Materials, including the Summoned monster.

Hot Red Dragon Archfiend

Dragon/Synchro/Effect

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.

Hot Red Dragon Archfiend Abyss

Dragon/Synchro/Effect

1 Tuner + 1 non-Tuner DARK Dragon-Type Synchro Monster
During either player's turn: 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 monster in your Graveyard; 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 Bane

Dragon/Synchro/Effect

1 Tuner + 1 non-Tuner DARK Dragon-Type Synchro Monster
You can Tribute 1 monster, then target 1 "Red Dragon Archfiend" monster in your Graveyard; Special Summon it. When this card inflicts battle damage to your opponent: You can Special Summon 2 Tuner monsters with the same Level (1 from your Deck and 1 from your Graveyard) in Defense Position. You can only use each effect of "Hot Red Dragon Archfiend Bane" once per turn.

Hot Red Dragon Archfiend King Calamity

Dragon/Synchro/Effect

2 Tuners + 1 non-Tuner DARK Dragon-Type 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 (by battle or card effect): You can target 1 Level 8 or lower DARK Dragon-Type Synchro Monster in your Graveyard; Special Summon it.

Majestic Red Dragon

Dragon/Synchro/Effect

"Majestic Dragon" + "Red Dragon Archfiend" + 1 non-Tuner monster This card cannot be destroyed by card effects. If this card attacks, destroy all Defense Position monsters on the field after damage calculation. Once per turn, you can negate the effect(s) of 1 face-up monster your opponent controls and have this card gain ATK equal to the negated monster's ATK, until the End Phase. During the End Phase, return this card from the field to the Extra Deck, and Special Summon 1 "Red Dragon Archfiend" from your Graveyard.

Red Dragon Archfiend

Dragon/Synchro/Effect

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 Nova Dragon

Dragon/Synchro/Effect

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 Rising Dragon

Dragon/Synchro/Effect

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

Scarlight Red Dragon Archfiend

Dragon/Synchro Effect

1 Tuner + 1 or more non-Tuner monsters
This card's name becomes "Red Dragon Archfiend" while it is on the field or in the Graveyard. 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.

Tyrant Red Dragon Archfiend

Dragon/Synchro/Effect

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.

Red Wyvern

Dragon/Synchro/Effect

1 Tuner + 1 or more non-Tuner monsters
During either player's turn, if a monster with higher ATK than this Synchro Summoned card is on the field: You can destroy the 1 face-up monster on the field that has the highest ATK (your choice, if tied). This effect can only be used once while this card is face-up on the field.