Monster With the Heart of a Beast Tristan (FGO/S87-E010 U) Fate/Grand Order THE MOVIE Divine Realm of the Round Table: Camelot Card details

[AUTO] [(1) Put 1 climax from your hand 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 your climax is placed on your climax area, choose 1 of your characters, and that character gets the following ability until end of turn. "[AUTO] When this card's battle opponent becomes [REVERSE], 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."