“Snow Lady” Umi Sonoda is a Weiß Schwarz card from Love Live! DX Vol.2 LL/EN-W02-E085. Compare listings from Singapore Weiß Schwarz sellers on CardJio, then jio them on WhatsApp.
【CONT】 All of your other 《Music》 characters get +500 power. 【ACT】 [【REST】 two of your characters] Choose one of your characters with "Umi(海未)" in its card name, and that character gets +1000 power until end of turn.