真夏を想うミルヒ is a Weiß Schwarz card from PRカード【Wサイド】 DD/WE17-P01. Compare listings from Singapore Weiß Schwarz sellers on CardJio, then jio them on WhatsApp.
【AUTO】 This ability activates up to two times per turn. When your other 《Music》 character is placed on the stage from your hand, this card gets +1000 power until end of turn.