Pajama Party, Kosaki (NK/WE22-E27)

[AUTO] When this card attacks, if a card named "Contract Concluded?" is in your climax area, and all of your characters are "Sweets", search your deck for up to one "Sweets" character, reveal it to your opponent, and put it into your hand. Then, shuffle your deck, and this card gets +2500 power until the end of your opponent's next turn. [AUTO] At the beginning of your opponent's draw phase, if this card is in your center stage, choose one of your characters, and that character gets +4000 power until end of turn.