Never-Ending Music, LAYER

【AUTO】 When this card is placed on the stage from your hand, if your opponent has 1 or fewer characters on his or her center stage, choose 1 cost 0 or lower character in your opponent's center stage, and put it at the bottom of his or her deck. 【AUTO】 When this card attacks, choose 1 of your other 《Music》 characters, and that character gets +X power until end of turn. X is equal to the number of other 《Music》 characters you have ×500.