"A Knight's Duty" Darkness (KS/W76-E101 PR) [KonoSuba The Movie: Legend of Crimson]

[AUTO] When this card attacks, you may put the top card of your deck into your waiting room. If that card is a climax, draw 1 card, choose 1 card in your hand, and put it into your waiting room. [AUTO] When this card becomes [REVERSE], if this card's battle opponent is level 0 or lower, you may put that character into your opponent's stock. If you do, put the bottom card of your opponent's stock into his or her waiting room.