Crystal Keeper [MP19-EN066] Common SM37 negate the effects of that

negate the effects of that card while it and this monster are face-up on the field

any Battle Damage this card inflicts to your opponent becomes the original ATK of this card

Set: Neo Revelation 1st Edition Type: Water Rarity: Rare Retreat cost: Colorless

Set: Battle Pack 3: Monster League Card type: Equip Spell Rarity: Shatterfoil Rare Attack: 0 Defense: 0 Banish 1 Plant-Type monster from your Graveyard

Set: The Dark Illusion Card type: Counter Trap Rarity: Common When a monster(s) would be Pendulum Summoned: Negate the Pendulum Summon

Crystal Keeper [MP19-EN066] Common SM37 negate the effects of thatSet: 2019 Gold Sarcophagus Tin Mega Pack Card type: Pendulum Effect Monster Rarity: Common Attack: 1500 Defense: 1800 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.