あの日の奏 is a Weiß Schwarz card from 戦姫絶唱シンフォギア SG/W19-063. Compare listings from Singapore Weiß Schwarz sellers on CardJio, then jio them on WhatsApp.
【AUTO】 When this card becomes 【REVERSE】 in battle, choose one of your characters, and that character gets +1000 power until end of turn.