“Sunny Day Song” Yukiho Kosaka is a Weiß Schwarz card from Love Live! DX Vol.2 LL/EN-W02-E092. Compare listings from Singapore Weiß Schwarz sellers on CardJio, then jio them on WhatsApp.
【AUTO】 [(2)] 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, and return it to your hand. 【AUTO】 When this card attacks, choose one of your other characters, and that character gets +1 level and +1000 power until end of turn.