【YGOTCG】Crystal Keeperの価格比較・相場推移

Crystal Keeper
FIRE Level 4 [<br>Warrior<br>/Pendulum/Effect<br>] ATK 1500 DEF 1800 P Scale 2 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. 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 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.