Beast / Effect

If there is a 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 "Red Hared Hasty Horse" 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.

Fiend / Effect

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.

Increase your Life Points by 500 points.

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.

Fairy / Tuner / Effect

If a Level 8 or higher Dragon 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 GY for a Synchro Summon that uses 2 or more Tuner monsters as material: You can Special Summon 1 FIRE Fiend monster from your Deck in Defense Position.

Dragon / Synchro / Effect

2 Tuners + "Red Dragon Archfiend"

Gains 500 ATK for each Tuner in your GY. 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. Once per turn, during the End Phase, if this card was banished by its effect this turn: Special Summon this banished card.

Zombie / Effect

When this card is Normal Summoned: You can send any number of cards from your hand to the Graveyard, then target the same number of cards on the field; return those targets to the hand.

Fairy / Effect

You can target 1 "Potan" monster you control; treat it as a Tuner until the end of the next turn. If a monster is Synchro Summoned while you control this monster: You can Special Summon 1 "Potan" monster from your hand or Deck. You can only use each effect of "Red Potan" once per turn.

When your opponent activates a Trap Card: Negate the activation, and if you do, Set that card face-down, then they can Set 1 other Trap directly from their Deck. For the rest of this turn after this card resolves, your opponent cannot activate Trap Cards. You can activate this card from your hand by paying half your LP.

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.

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.

Dragon / Synchro / Effect

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.

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.

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.

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.

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

Dragon / Synchro / Effect

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 an 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.

Banish 1 "Red Dragon Archfiend" Synchro Monster from your Graveyard, then target 1 "Red Dragon Archfiend" Synchro Monster you control; its name becomes the banished monster's original name, and replace its effects with the banished monster's original effects.

Fiend / Effect

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

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.

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.

Dragon / Effect

Cannot be Normal Summoned/Set. Must first be Special Summoned (from your hand) by Tributing 1 "Red-Eyes" monster from your hand or field. You can only Special Summon "Red-Eyes Alternative Black Dragon" once per turn this way. If this card is destroyed by battle, or if this card in its owner's possession is destroyed by an opponent's card effect: You can target 1 Level 7 or lower "Red-Eyes" monster in your GY, except "Red-Eyes Alternative Black Dragon"; Special Summon it, and if it was a "Red-Eyes B. Dragon" that was Special Summoned, its original ATK becomes doubled.

Fiend / Gemini / Effect

This card is treated as a Normal Monster while face-up on the field or in the Graveyard. While this card is a Normal Monster on the field, you can Normal Summon it to have it become an Effect Monster with this effect.

● Once per turn: You can destroy all face-up monsters your opponent controls with DEF lower than this card's ATK.

Dragon / Effect

When this card is destroyed by battle and sent to the GY: You can Special Summon 1 Level 7 or lower "Red-Eyes" monster from your Deck, and if you do, equip this card from the GY to it. It gains 300 ATK. If this card is sent to the GY while equipped to a monster: You can add 1 Level 1 Dragon monster from your Deck or GY to your hand.

Dragon / Normal

A ferocious dragon with a deadly attack.