Rewarded Feelings, Hassan of the Serenity (FGO/S87-E103S PR) [Fate/Grand Order THE MOVIE Divine Realm of the Round Table: Camelot]

[AUTO] When your climax with COME BACK in its trigger icon is placed on your climax area, choose 1 character in your opponent's center stage, and that character gets -1000 power until end of turn. [AUTO] [(1) Put 1 card 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 "Chaldea" or "Camelot" character in your waiting room, return it to your hand, choose 1 of your other "Chaldea" or "Camelot" characters, and that character gets +1000 power until end of turn.