One of Many Faces, Illyasviel

【CONT】 During your opponent's turn, all of your other characters get +500 power.【ACT】 Brainstorm [(1) 【REST】 2 of your characters] 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 blue character or character with "Shirou (士郎)" in its card name, reveal it to your opponent, put it into your hand, and shuffle your deck.