Let's Weiss Schwarz!! Takanashi Kiara (HOL/WE45-PE04 PR) [hololive production ft. Weiss Schwarz Ambassadors]

[AUTO] [(1)] When this card is placed on the stage from your hand, you may pay the cost. If you do, your opponent puts all of their stock into their waiting room, and puts the same number of cards from the top of their deck into their stock. [AUTO] This ability activates up to 1 time per turn. When you use an [ACT], this card gets +X power until end of turn. X is equal to the number of characters in your opponent's back stage ×1000.