Crumbling Tower at the Ends of the World, Agravain (FGO/S87-E015 C) [Fate/Grand Order THE MOVIE Divine Realm of the Round Table: Camelot]

[CONT] If your opponent has a character with "Lancelot" in its card name, this card gets +4000 power. [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 their waiting room.