Rainbow Dark Dragon
(Continuous) Dark Rainbow Release
While your Deck Master is in its Deck Master Position, this Ability is active. "Dark Rainbow Dragon"s you control are unaffected by the effects of Spell and Trap Cards. Spell and Trap Cards cannot be activated during battles involving a "Dark Rainbow Dragon" you control.
Rainbow Dragon
(Ignition) Spectral Beam!
Remove from play 7 "Crystal Beast" monsters with different names from your side of the field, hand, or Graveyard. Destroy all cards your opponent controls and in their hand. You can only use this Ability during either player's Main Phase.
(Continuous) Super Rainbow Dragon
Face-up "Rainbow Dragon"s you control (except your Deck Master) cannot be targeted and are unaffected by the effects of Monsters, Spells, and Traps.
Rainbow Neos
(Ignition) Face the Rainbow
Pick 2 cards from your Deck or Extra Deck with the same background colour, show them to your opponent and remove them from play face-down. Return to their owners’ Decks all face-up and face-down cards on the field with the same background colour as the removed cards. This Ability can only be used once per turn during your End Phase.
(Compulsory Trigger) Rainbow Ravage
Activates when you Special Summon your Deck Master. Return all cards (except any Deck Masters) to their owners’ Decks, and if it is your turn, end it immediately. This Ability cannot be chained to.
(Continuous) Rainbow World
While your Deck Master is on the field, this Ability is active. Neither player can activate or Summon a card if it has the same background colour as a face-up card on the field.
Raiza the Storm Monarch
(Trigger) Dismissal of Monarch – Stormer
Activate when you Tribute Summon a monster. Randomly select 1 card in your opponent's hand and put it on top of your opponent's Deck.
Rare Metal Dragon
(Trigger) Rare Metal Coating
Activate when a Spell Card is activated that targets 1 or more Machine-Type monsters you control. Negate the activation and effect of that Spell Card and destroy it.
Raviel, Lord of Phantasms
(Ignition) Avatar of Obelisk
Tribute 3 monsters. Special Summon 1 "God Obelisk Token" (Fiend / DARK / 10 Stars / ATK 4000 / DEF 4000). This Ability can only be used during your Main Phase.
Reaper of the Cards
(Ignition) It's Reaping Time!
Pay 900 Life Points. Send 1 face-down card on the field to the Graveyard. This Ability cannot be chained to. This Ability can only be used twice per turn during your Main Phase.
(Ignition) Spirit Reaper Substitute
Remove from play 2 DARK monsters in your Graveyard, and select 1 monster in your Graveyard. Special Summon the selected monster in face-up Defence Position; while it remains face-up on the field, it is treated as "Reaper Man" (Fiend / DARK / 2 Stars / ATK 500 / DEF 500), an Effect Monster Card with the following effect:
Reaper on the Nightmare
(Continuous) Ritual of the Undead
Unless another card effect states otherwise, all face-up monsters you control are treated as Zombie-Type.
Red Archery Girl
(Compulsory Trigger) Randomness Sniper
Activates during each Standby Phase. Roll 1 six-sided die once. Each player numbers their Monster Card Zones from 1 to 5, counting from their left. Destroy the monster(s) in the Monster Card Zone with the same number as the die result. If the result is 6, each player removes from play 1 card in their Graveyard.
Red Dragon Archfiend
(Continuous) Dragon All-Out Offensive
All Dragon-Type monsters you control gain 300 ATK, and can attack up to twice per turn. Any Dragon-Type monsters you control that do not declare an attack in a turn are destroyed during the End Phase of that turn.
Red-Eyes B. Chick
(Ignition) Assistance to the Red-Eyes B. Dragon
Tribute 1 face-up "Red-Eyes B. Chick". Special Summon 1 "Red-Eyes B. Dragon" from your hand or your Deck. This Ability can only be used during your Main Phase.
Red-Eyes B. Dragon
(Ignition) Inferno Fire Strike
Pay 1500 Life Points and select 1 "Red-Eyes" monster you control. Inflict damage to your opponent equal to the original ATK of the selected monster. This Ability can only be used once per turn during your Standby Phase.
Red-Eyes Black Metal Dragon
(Compulsory Trigger) Dragon Metalmorpher
Activates during the Damage Step of a battle in which an attacking Dragon-Type monster you control whose ATK is lower than or equal to 1500 battles a monster. That Dragon-Type monster you control gains ATK equal to half of the ATK of the attack target, until the end of that Damage Step.
Red-Eyes Darkness Dragon
(Continuous) Total Black Force
All Dragon-Type monsters you control gain 100 ATK for each Dragon-Type monster in your Graveyard + 300. All "Red-Eyes Darkness Dragon" you control gain 600 ATK and DEF.
Reflect Bounder
(Continuous) Reflection of Destruction
Face-up Attack Position monsters you control whose ATK is lower than or equal to 1000 cannot be destroyed by battle. (Damage calculation is applied normally.)
Reign-Beaux, Overlord of Dark World
(Ignition) Rain of Darkness
Discard 1 "Dark World" monster. Destroy 1 card your opponent controls. If you control "Yami", you can destroy 2 cards your opponent controls instead. This Ability can only be used during your Main Phase 2.
Relinquished
(Ignition) Relinquish
Pay 1500 Life Points and select 1 face-up monster your opponent controls. Equip the selected monster to 1 monster you control as an Equip Card. A monster equipped with that Equip Card gains ATK and DEF equal to half the ATK and DEF of the Equip Card. A monster can only be equipped with 1 Equip Card by this Ability at a time. This Ability can only be used once per turn during your Main Phase.
Reshef the Dark Being
(Ignition) Wicked Brain Capture
Discard 1 Spell Card and select 1 monster your opponent controls. Take control of the selected monster, until the End Phase of your next turn. This Ability can only be used once per turn during your Main Phase.
Revival Jam
(Ignition) Slime Defender
Pay 500 Life Points. Special Summon 1 "Slime Token" (Aqua / WATER / 1 Star / ATK 500 / DEF 500) in face-up Attack Position. That Token cannot have its battle position changed manually, and can only be Tributed to Tribute Summon a WATER monster. This Ability can only be used once per turn during your Standby Phase.
Right Arm of the Forbidden One
(Continuous) Assembly of Exodia
Face-up "Forbidden One" cards you control are considered to be in your hand only when fulfilling the effect of "Exodia the Forbidden One".
Right Leg of the Forbidden One
(Continuous) Assembly of Exodia
Face-up "Forbidden One" cards you control are considered to be in your hand only when fulfilling the effect of "Exodia the Forbidden One".
Robotic Knight
(Ignition) Final Artillery
Discard 1 Machine-Type monster. Inflict 500 damage to your opponent. This Ability can only be used during your Main Phase.
Rocket Warrior
(Trigger) Team Rocket's Seeker Rocket
Activate during the End Step of a battle in which a Warrior-Type monster you control inflicted Battle Damage to your opponent. Your opponent randomly discards 1 card.
Rude Kaiser
(Continuous) Beast-Warrior Bashing
During battle between a Beast-Warrior-Type monster you control and a Defence Position monster whose DEF is lower than the ATK of the attacking monster, inflict the difference as Battle Damage to your opponent.
Ruin, Queen of Oblivion
(Ignition) Vanishing
Send all cards in both players' hands to the Graveyard. Your opponent draws 2 cards. This Ability can only be used once per turn at the start of your Main Phase 1.
Ryu Senshi
(Trigger) Trap Detector Sense
Activate when a Trap Card is activated. Pay 800 Life Points. Negate the activation and effect of that Trap Card and destroy it.
(Continuous) Dark Rainbow Release
While your Deck Master is in its Deck Master Position, this Ability is active. "Dark Rainbow Dragon"s you control are unaffected by the effects of Spell and Trap Cards. Spell and Trap Cards cannot be activated during battles involving a "Dark Rainbow Dragon" you control.
Rainbow Dragon
(Ignition) Spectral Beam!
Remove from play 7 "Crystal Beast" monsters with different names from your side of the field, hand, or Graveyard. Destroy all cards your opponent controls and in their hand. You can only use this Ability during either player's Main Phase.
(Continuous) Super Rainbow Dragon
Face-up "Rainbow Dragon"s you control (except your Deck Master) cannot be targeted and are unaffected by the effects of Monsters, Spells, and Traps.
Rainbow Neos
(Ignition) Face the Rainbow
Pick 2 cards from your Deck or Extra Deck with the same background colour, show them to your opponent and remove them from play face-down. Return to their owners’ Decks all face-up and face-down cards on the field with the same background colour as the removed cards. This Ability can only be used once per turn during your End Phase.
(Compulsory Trigger) Rainbow Ravage
Activates when you Special Summon your Deck Master. Return all cards (except any Deck Masters) to their owners’ Decks, and if it is your turn, end it immediately. This Ability cannot be chained to.
(Continuous) Rainbow World
While your Deck Master is on the field, this Ability is active. Neither player can activate or Summon a card if it has the same background colour as a face-up card on the field.
Raiza the Storm Monarch
(Trigger) Dismissal of Monarch – Stormer
Activate when you Tribute Summon a monster. Randomly select 1 card in your opponent's hand and put it on top of your opponent's Deck.
Rare Metal Dragon
(Trigger) Rare Metal Coating
Activate when a Spell Card is activated that targets 1 or more Machine-Type monsters you control. Negate the activation and effect of that Spell Card and destroy it.
Raviel, Lord of Phantasms
(Ignition) Avatar of Obelisk
Tribute 3 monsters. Special Summon 1 "God Obelisk Token" (Fiend / DARK / 10 Stars / ATK 4000 / DEF 4000). This Ability can only be used during your Main Phase.
Reaper of the Cards
(Ignition) It's Reaping Time!
Pay 900 Life Points. Send 1 face-down card on the field to the Graveyard. This Ability cannot be chained to. This Ability can only be used twice per turn during your Main Phase.
(Ignition) Spirit Reaper Substitute
Remove from play 2 DARK monsters in your Graveyard, and select 1 monster in your Graveyard. Special Summon the selected monster in face-up Defence Position; while it remains face-up on the field, it is treated as "Reaper Man" (Fiend / DARK / 2 Stars / ATK 500 / DEF 500), an Effect Monster Card with the following effect:
- "If this card would be destroyed by battle, you can remove from play 2 DARK monsters in your Graveyard and this card is not destroyed."
Reaper on the Nightmare
(Continuous) Ritual of the Undead
Unless another card effect states otherwise, all face-up monsters you control are treated as Zombie-Type.
Red Archery Girl
(Compulsory Trigger) Randomness Sniper
Activates during each Standby Phase. Roll 1 six-sided die once. Each player numbers their Monster Card Zones from 1 to 5, counting from their left. Destroy the monster(s) in the Monster Card Zone with the same number as the die result. If the result is 6, each player removes from play 1 card in their Graveyard.
Red Dragon Archfiend
(Continuous) Dragon All-Out Offensive
All Dragon-Type monsters you control gain 300 ATK, and can attack up to twice per turn. Any Dragon-Type monsters you control that do not declare an attack in a turn are destroyed during the End Phase of that turn.
Red-Eyes B. Chick
(Ignition) Assistance to the Red-Eyes B. Dragon
Tribute 1 face-up "Red-Eyes B. Chick". Special Summon 1 "Red-Eyes B. Dragon" from your hand or your Deck. This Ability can only be used during your Main Phase.
Red-Eyes B. Dragon
(Ignition) Inferno Fire Strike
Pay 1500 Life Points and select 1 "Red-Eyes" monster you control. Inflict damage to your opponent equal to the original ATK of the selected monster. This Ability can only be used once per turn during your Standby Phase.
Red-Eyes Black Metal Dragon
(Compulsory Trigger) Dragon Metalmorpher
Activates during the Damage Step of a battle in which an attacking Dragon-Type monster you control whose ATK is lower than or equal to 1500 battles a monster. That Dragon-Type monster you control gains ATK equal to half of the ATK of the attack target, until the end of that Damage Step.
Red-Eyes Darkness Dragon
(Continuous) Total Black Force
All Dragon-Type monsters you control gain 100 ATK for each Dragon-Type monster in your Graveyard + 300. All "Red-Eyes Darkness Dragon" you control gain 600 ATK and DEF.
Reflect Bounder
(Continuous) Reflection of Destruction
Face-up Attack Position monsters you control whose ATK is lower than or equal to 1000 cannot be destroyed by battle. (Damage calculation is applied normally.)
Reign-Beaux, Overlord of Dark World
(Ignition) Rain of Darkness
Discard 1 "Dark World" monster. Destroy 1 card your opponent controls. If you control "Yami", you can destroy 2 cards your opponent controls instead. This Ability can only be used during your Main Phase 2.
Relinquished
(Ignition) Relinquish
Pay 1500 Life Points and select 1 face-up monster your opponent controls. Equip the selected monster to 1 monster you control as an Equip Card. A monster equipped with that Equip Card gains ATK and DEF equal to half the ATK and DEF of the Equip Card. A monster can only be equipped with 1 Equip Card by this Ability at a time. This Ability can only be used once per turn during your Main Phase.
Reshef the Dark Being
(Ignition) Wicked Brain Capture
Discard 1 Spell Card and select 1 monster your opponent controls. Take control of the selected monster, until the End Phase of your next turn. This Ability can only be used once per turn during your Main Phase.
Revival Jam
(Ignition) Slime Defender
Pay 500 Life Points. Special Summon 1 "Slime Token" (Aqua / WATER / 1 Star / ATK 500 / DEF 500) in face-up Attack Position. That Token cannot have its battle position changed manually, and can only be Tributed to Tribute Summon a WATER monster. This Ability can only be used once per turn during your Standby Phase.
Right Arm of the Forbidden One
(Continuous) Assembly of Exodia
Face-up "Forbidden One" cards you control are considered to be in your hand only when fulfilling the effect of "Exodia the Forbidden One".
Right Leg of the Forbidden One
(Continuous) Assembly of Exodia
Face-up "Forbidden One" cards you control are considered to be in your hand only when fulfilling the effect of "Exodia the Forbidden One".
Robotic Knight
(Ignition) Final Artillery
Discard 1 Machine-Type monster. Inflict 500 damage to your opponent. This Ability can only be used during your Main Phase.
Rocket Warrior
(Trigger) Team Rocket's Seeker Rocket
Activate during the End Step of a battle in which a Warrior-Type monster you control inflicted Battle Damage to your opponent. Your opponent randomly discards 1 card.
Rude Kaiser
(Continuous) Beast-Warrior Bashing
During battle between a Beast-Warrior-Type monster you control and a Defence Position monster whose DEF is lower than the ATK of the attacking monster, inflict the difference as Battle Damage to your opponent.
Ruin, Queen of Oblivion
(Ignition) Vanishing
Send all cards in both players' hands to the Graveyard. Your opponent draws 2 cards. This Ability can only be used once per turn at the start of your Main Phase 1.
Ryu Senshi
(Trigger) Trap Detector Sense
Activate when a Trap Card is activated. Pay 800 Life Points. Negate the activation and effect of that Trap Card and destroy it.
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