Many of the czars' lost jewels can be found in the scales of this priceless dragon. Its creator remains a mystery, along with how they acquired the imperial treasures. But whosoever finds this dragon has hit the jackpot... whether they know it or not.
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".
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.
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.
When a Resonator monster(s) is sent to the graveyard as a Synchro Material Monster, select 1 card your opponent controls and destroy it. Destroy this card during your 2ns End Phase after activation.
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.
When an opponent's monster declares a direct attack: End the Battle Phase, then you can Special Summon 1 Tuner monster and 1 Synchro Monster from your Graveyard, but their effects are negated.
Target 1 Dragon-Type Synchro Monster you control; equip this card to that target. If it battles an opponent's monster, negate the effects of all face-up monsters your opponent controls until the end of the Damage Step. During the End Phase, if this card is in your Graveyard because it was sent there this turn: You can target 1 "Red Dragon Archfiend" in your Graveyard; Special Summon it.
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.
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.
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.
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.
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.
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.
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.
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.
1 Tuner + 1 or more non-Tuner monsters
When this card is Synchro Summoned: You can destroy all cards on the field. Once per turn: You can banish 1 Plant-Type monster from your Graveyard, then target 1 Defense Position monster your opponent controls; change that target to face-up Attack Position, and if you do, its ATK becomes 0 until the end of this turn.