Summer Splash Party! Robocosan - hololive production Summer Collection Premium Booster (HOL)

[CONT] If this card is in the stage, this card's card name will also be regarded as "Proud, Robocosan".
[CONT] All of your other "Leave It to Me! Robocosan" get +500 power and "[AUTO] Encore [Put 1 "hololive" character from your hand into your waiting room]".
[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 "hololive" character, reveal it to your opponent, put it into your hand, and shuffle your deck.