A Step Towards the Future, Shirogane Noel [hololive production Vol. 2]

[AUTO] [Put 1 climax from your hand into your waiting room & Put 1 other character from your stage into your waiting room] When this card is placed on the stage from your hand, you may pay the cost. If you do, choose 1 climax in your waiting room, and return it to your hand. [AUTO] When this card attacks, this card gets +X power until end of turn. X is equal to the number of characters your opponent has ×500.