Crystal Keeper [MP19-EN066] Common SM37 Set: Gold Series: Haunted Mine

Set: Gold Series: Haunted Mine Card type: Ritual Spell Rarity: Common Attack: 0 Defense: 0 This card is used to Ritual Summon "Herald of Perfection"

Set: Legendary Collection 2 Card type: Normal Trap Rarity: Common Attack: 0 Defense: 0 When an "Elemental HERO Clayman" you control is targeted for an attack (even if it is face-down

You can only use each effect of "Urgent Schedule" once per turn

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

Crystal Keeper [MP19-EN066] Common SM37 Set: Gold Series: Haunted MineSet: 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.