Incident of the Century

Choose 1 of your characters, and that character gets +500 power and the following 2 abilities 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.""【AUTO】 At the end of the turn, if this card is in your center stage, choose up to 1 《Shuchiin》 character in your waiting room, and put it into your stock."