Rainbow Dragon [LED2-EN043] Common

(This card is always treated as an "Ultimate Crystal" card.) Cannot be Normal Summoned/Set. Must be Special Summoned (from your hand) by having 7 "Crystal Beast" cards with different names on your field and/or GY,This card cannot activate the following effects the turn in is Special Summoned. (Quick Effect): You can send all face-up "Crystal Beast" monsters you control to the GY, this card gains 1000 ATK for each monster sent to the GY. You can banish all "Crystal Beast" monsters from you GY; suffle all cards on the field into the Deck.