Crystal Beast Amber Mammoth

Beast/Effect

When another face-up "Crystal Beast" monster you control is targeted for an attack: You can make this card the attack target instead. If this face-up card is destroyed while it is in a Monster Card Zone, you can place it face-up in your Spell & Trap Card Zone as a Continuous Spell Card, instead of sending it to the Graveyard.

Crystal Beast Amethyst Cat

Beast/Effect

This card can attack your opponent directly, but when it uses this effect, any Battle Damage it inflicts to your opponent is halved. If this face-up card is destroyed while it is in a Monster Card Zone, you can place it face-up in your Spell & Trap Card Zone as a Continuous Spell Card, instead of sending it to the Graveyard.

Crystal Beast Cobalt Eagle

Winged Beast/Effect

Once per turn: You can target 1 face-up "Crystal Beast" card you control; return that target to the top of the Deck. If this face-up card is destroyed while it is in a Monster Card Zone, you can place it face-up in your Spell & Trap Card Zone as a Continuous Spell Card, instead of sending it to the Graveyard.

Crystal Beast Emerald Tortoise

Aqua/Effect

Once per turn: You can target 1 monster you control that attacked this turn; change that target to Defense Position. If this face-up card is destroyed while it is in a Monster Card Zone, you can place it face-up in your Spell & Trap Card Zone as a Continuous Spell Card, instead of sending it to the Graveyard.

Crystal Beast Ruby Carbuncle

Fairy/Effect

When this card is Special Summoned: You can Special Summon as many "Crystal Beast" cards as possible from your Spell & Trap Card Zone. If this face-up card is destroyed while it is in a Monster Card Zone, you can place it face-up in your Spell & Trap Card Zone as a Continuous Spell Card, instead of sending it to the Graveyard.

Crystal Beast Sapphire Pegasus

Beast/Effect

When this card is Summoned: You can place 1 "Crystal Beast" monster from your hand, Deck, or Graveyard face-up in your Spell & Trap Card Zone as a Continuous Spell Card. If this face-up card is destroyed while it is in a Monster Card Zone, you can place it face-up in your Spell & Trap Card Zone as a Continuous Spell Card, instead of sending it to the Graveyard.

Crystal Beast Topaz Tiger

Beast/Effect

If this card attacks an opponent's monster, it gains 400 ATK during the Damage Step only. If this face-up card is destroyed while it is in a Monster Card Zone, you can place it face-up in your Spell & Trap Card Zone as a Continuous Spell Card, instead of sending it to the Graveyard.

Crystal Keeper

Warrior/Effect

Pendulum Effect: Each turn, the first time an "Ultimate Crystal" monster(s) and/or "Crystal Beast" card(s) you control would be destroyed by card effect that turn, it is not destroyed.
Monster Effect: If a "Crystal Beast" monster you control battles an opponent's monster, during damage calculation (Quick Effect): You can Tribute this card from your hand or face-up from your field: your battling monster's ATK/DEF become double its original ATK/DEF during that damage calculation only, but it is destroyed at the end of this Damage Step.

Crystal Master

Spellcaster/Effect

Pendulum Effect: Your opponent cannot target "Crystal Beast" cards you control, or "Ultimate Crystal" monsters in your Monster Zone, with card effects.
Monster Effect: You can Tribute this card; add 1 "Ultimate Crystal" monster, "Crystal Beast" monster or "Crystal" Spell/Trap from your Deck to your hand.

Rainbow Dragon

Dragon/Effect

Cannot be Normal Summoned or Set. Must be Special Summoned (from your hand) by having 7 "Crystal Beast" cards with different names on your field or in your Graveyard, and cannot be Special Summoned by other ways. This card cannot activate its effects the turn it is Special Summoned.
• During either player's turn: You can send all "Crystal Beast" monsters you control to the Graveyard; this card gains 1000 ATK for each card sent.
• You can banish all "Crystal Beast" monsters in your Graveyard; shuffle all cards on the field into the Deck.

Ancient City - Rainbow Ruins

You must have this many "Crystal Beast" cards in your Spell & Trap Card Zone to activate and resolve these effects. ? 1+: This card cannot be destroyed by card effects. ? 2+: Once per turn (including the opponent's) you can halve the Battle Damage you take. ? 3+: During either player's turn, when a Spell/Trap Card is activated: You can send 1 "Crystal Beast" monster you control to the Graveyard; negate the activation, and if you do, destroy it. ? 4+: Once per turn, during your Main Phase: You can draw 1 card. ? 5: Once per turn, during your Main Phase: You can target 1 "Crystal Beast" card in your Spell & Trap Card Zone; Special Summon that target.

Counter Gem

Send all cards in your Spell & Trap Card Zone to the GY. Place as many "Crystal Beast" monsters as possible from your Graveyard in your Spell & Trap Card Zone, face-up, as Continuous Spell Cards. During the End Phase, destroy all face-up "Crystal Beast" cards you control.

Crystal Abundance

Send 4 "Crystal Beast" cards from your Spell & Trap Card Zone to the Graveyard; send all cards on the field to the Graveyard, then Special Summon as many "Crystal Beast" monsters as possible from your Graveyard, up to the number of cards your opponent controlled that were sent to the Graveyard by this card's effect.

Crystal Beacon

Special Summon 1 "Crystal Beast" monster from your Deck. You must have 2 or more "Crystal Beast" cards in your Spell & Trap Card Zone to activate and to resolve this effect.

Crystal Blessing

Target up to 2 "Crystal Beast" monsters in your Graveyard; place those targets face-up in your Spell & Trap Card Zone as Continuous Spell Cards.

Crystal Bond

Add 1 "Crystal Beast" monster from your Deck to your hand and place 1 "Crystal Beast" monster with a different name from your Deck face-up in your Spell & Trap Zone as a Continuous Spell. You can only activate 1 "Crystal Bond" per turn.

Crystal Conclave

Once per turn, if a face-up "Crystal Beast" monster(s) you control is destroyed by battle or card effect: You can Special Summon 1 "Crystal Beast" monster from your Deck. You can send this face-up card from the field to the GY, then target 1 "Crystal Beast" card you control and 1 other card on the field; return them to the hand. You cannot activate these effects in the same Chain.

Crystal Pair

Crystal Promise

Target 1 "Crystal Beast" card in your Spell & Trap Card Zone; Special Summon that target.

Crystal Raigeki

Crystal Release

Equip only to a "Crystal Beast" monster. It gains 800 ATK. When this card is sent from the field to the Graveyard: You can place 1 "Crystal Beast" monster from your Deck face-up in your Spell & Trap Card Zone as a Continuous Spell Card.

Crystal Tree

Each time a "Crystal Beast" monster(s) is placed in either player's Spell & Trap Card Zone: Place 1 Crystal Counter on this card. You can send this card to the Graveyard; take a number of "Crystal Beast" monsters from your Deck equal to the number of Crystal Counters that were on this card, then place those monsters face-up in your Spell & Trap Card Zone as Continuous Spell Cards.

Rainbow Gravity

If you have 7 "Crystal Beast" cards with different names on the field or in your Graveyard: Special Summon 1 "Rainbow Dragon" or "Rainbow Dark Dragon" from your Deck or Graveyard, ignoring the Summoning conditions.

Rainbow Path

When an opponent's monster declares an attack: Send 1 "Crystal Beast" card from your Spell & Trap Card Zone to the Graveyard to target the attacking monster; negate the attack, then you can add 1 "Rainbow Dragon" or "Rainbow Dark Dragon" from your Deck to your hand.

Rainbow Refraction

If a monster whose original name is "Rainbow Dragon" or "Rainbow Dark Dragon" activated its effect this turn, while you controlled it: Special Summon any number of "Crystal Beast" monsters with different names from your Deck.

Rare Value

If there are 2 or more face-up "Crystal Beast" cards in your Spell & Trap Card Zone: Your opponent chooses 1 "Crystal Beast" card in your Spell & Trap Card Zone and sends it to the Graveyard, then you draw 2 cards.

Ultimate Crystal Magic

When your "Crystal Beast" monster is destroyed by battle: Send 7 "Crystal Beast" cards with different names from your hand, Deck, and/or face-up from your field to the GY; Special Summon 1 "Ultimate Crystal" Fusion Monster from your Extra Deck. (This is treated as a Fusion Summon.) If a face-up "Ultimate Crystal" monster you control leaves the field because of an opponent's card effect: You can banish this card from your GY; place any number of "Crystal Beast" monsters from your GY face-up in your Spell & Trap Zone as Continuous Spells.

Rainbow Bridge

Add 1 "Crystal" Spell/Trap from your Deck to your hand, except "Violet Crystal" or "Crystal Counter".

Last Resort

Activate only when your opponent's monster declares an attack. You can select 1 Ancient City - Rainbow Ruins from your Deck and activate it. If your opponent had an active Field Spell Card when this card was activated, they can draw 1 card.

Rainbow Overdragon

Dragon/Fusion/Effect

7 "Crystal Beast" monsters
(This card is always treated as an "Ultimate Crystal" card.)
Must be either Fusion Summoned, or Special Summoned by Tributing 1 Level 10 "Ultimate Crystal" monster (in which case you do not use "Polymerization"). Once per turn: You can banish 1 "Crystal Beast" monster from your GY; this card gains ATK equal to the banished monster's, until the end of this turn. (Quick Effect): You can Tribute this Fusion Summoned card; shuffle all cards on the field into the Deck.