An Expert's Power, Murasaki Shion (HOL/W91-E132S SR) [hololive production]

[AUTO] When this card is placed on the stage from your hand, reveal the top card of your deck. If that card is level 1 or higher, choose 1 of your opponent's level 1 or lower characters, and that character gets -1 level until end of turn. (Climax are regarded as level 0. Return the revealed card to its original place) [AUTO] When this card becomes [REVERSE] in battle, if this card's battle opponent is level 0 or lower, you may put that character at the bottom of your opponent's deck.