新しいステージ衣装 is a Weiß Schwarz card from 劇場版『THE IDOLM@STER MOVIE 輝きの向こう側へ！』 IM/S30-101. Compare listings from Singapore Weiß Schwarz sellers on CardJio, then jio them on WhatsApp.
【CONT】 All of your characters get +1000 power and +1 soul. ([[bounce.gif]]: When this card triggers, you may choose one of your opponent's characters, and return it to your opponent's hand.)