Aim for New York? Petra (RZ/S68-E002 R) [Re:ZERO Memory Snow]

[AUTO] At the beginning of your attack phase, choose 1 of your yellow 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, search your deck for up to 1 "Memory Snow" character, reveal it to your opponent, put it into your hand, and shuffle your deck.