[REST] 1 of your [STAND] characters. If you do, look at up to 3 cards from the top of your deck, choose up to 1 "Anniversary" or "Hello, Happy World!" character from among them, reveal it to your opponent, put it into your hand, put the rest into your waiting room, choose 1 of your characters, and that character gets the following ability until end of turn. "[AUTO] [(1)] When this card attacks, you may pay the cost. If you do, during that attack, perform a trigger check 2 times on the trigger step."