Rainbow Dragon (Ghost Rare)

(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 it 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 your GY, shuffle all cards on the field into the Deck.