Crystal Keeper

Yu-Gi-Oh Card: Crystal Keeper
Available from these partners:
Crystal Keeper
Type:Pendulum/Effect Monster
Sub-Type:Warrior
Attribute:FIRE
Level:4
ATK:1500
DEF:1800
Text: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.
Pendulum Scale:2
Pendulum Effect:Each turn, the first an "Ultimate Crystal" monster(s) and/or "Crystal Beast" card(s) you control that would be destroyed by a card effect that turn, it is not destroyed.
Password:14469229
Printings: 2019 Gold Sarcophagus Mega Pack (MP19-EN066)
Flames of Destruction (FLOD-EN093)