変身する響 is a Weiß Schwarz card from 戦姫絶唱シンフォギア SG/W19-016. Compare listings from Singapore Weiß Schwarz sellers on CardJio, then jio them on WhatsApp.
【AUTO】 ［Place 1 card from Hand into Waiting Room］ When this card attacks, you may pay the cost. If you did, choose 1 of your Characters, during this turn, it gets +1 Soul.
This card was printed in Japanese only; the English text above is an unofficial community translation.