“宣誓！花火大会！”戸山香澄 is a Weiß Schwarz card from PRカード【Wサイド】 BD/WE31-P09. Compare listings from Singapore Weiß Schwarz sellers on CardJio, then jio them on WhatsApp.
【AUTO】 When this card is placed on the stage from your hand, put the top two cards of your deck into your waiting room. If there is a climax among those cards, choose one of your characters, and that character gets +1500 power until end of turn. 【AUTO】 [(1) Put a card from your hand into your waiting room] When this card is placed on the stage from your hand, you may pay the cost. If you do, choose a 《Music》 character in your waiting room, return it to your hand, choose one of your other 《Music》 characters, and that character gets +1000 power until end of turn.