Corrupted Mad Warrior, Berserker

【AUTO】 When this card attacks, this card gets +X power until end of turn. X is equal to the number of other 《Master》 or 《Servant》 or 《Shadow》 characters you have ×1000.【AUTO】 [Put 1 card from your hand into your waiting room] During your opponent's turn, when this card becomes 【REVERSE】 in battle, you may pay the cost. If you do, 【REST】 this card, and at the beginning of your next encore step, put this card into your waiting room.