Victory and Mourning, Frieren (SR)

[AUTO] [Put 1 climax from your hand into your waiting room] When your climax triggers, you may pay the cost. If you do, look at the top card of your deck, put it on the top or at the bottom of your deck, choose 1 "Adventurer" or "Magic" character in your waiting room, and return it to your hand.
[ACT] [[REST] this card] Choose 1 of your characters, and that character gets +1000 power until end of turn.