お姉ちゃんからもらったもの is a Weiß Schwarz card from 「ラブライブ！サンシャイン!!」Vol.2 LSS/W53-029. Compare listings from Singapore Weiß Schwarz sellers on CardJio, then jio them on WhatsApp.
Search your deck for up to 2 《Music》 characters, reveal them to your opponent, put them into your hand, choose 1 card in your hand, put it into your waiting room, and shuffle your deck.