DP19-JP037 Ultimate Crystal God Rainbow Over Dragon Ultra Rare
7 "Crystal Beast" monsters
Must be either Fusion Summoned, or Special Summoned by Tributing 1 "Ultimate Crystal God" monster, "Rainbow Dragon", or "Rainbow Dark Dragon" you control that is Level 10 (in which case you do not use "Polymerization"). Once per turn: You can banish 1 "Crystal Beast" monster from your GY; this card gains ATK equal to the banished monster's ATK until the end of this turn. (Quick Effect): You can Tribute this Fusion Summoned card; shuffle all cards on the field into the Deck.