Sakura: Sudden Showers (CCS/WX01-005S SR) [Cardcaptor Sakura: Clear Card]

[AUTO] At the beginning of your climax phase, choose 1 of your characters, and that character gets +500 power until end of turn. [ACT] Brainstorm [(1) REST this card] Flip over 4 cards from the top of your deck, and put them into your waiting room. For each climax revealed among those cards, choose up to 1 character in your waiting room, and return it to your hand.