Crystal Keeper [MP19-EN066] Common SM37 Set: 2016 Mega-Tins Mega Pack

Set: 2016 Mega-Tins Mega Pack Card type: Normal Trap Rarity: Common Your opponent draws 1 to 3 cards

any Xyz Materials attached to it also become Xyz Materials on this card

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

If they do

Set: Battle Pack: Epic Dawn Card type: Effect Monster Rarity: Starfoil Rare Attack: 1400 Defense: 700 At the end of the Damage Step

Crystal Keeper [MP19-EN066] Common SM37 Set: 2016 Mega-Tins Mega PackSet: 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.