“誰かのために”静流 is a Weiß Schwarz card from Rewrite RW/W15-083. Compare listings from Singapore Weiß Schwarz sellers on CardJio, then jio them on WhatsApp.
【AUTO】 When you use this card's "Backup", look at the top card of your deck, and put it on the top or at the bottom of your deck. 【ACT】 【COUNTER】 Backup 1500, Level 1 [(1) Put this card from your hand into your waiting room] (Choose 1 of your characters that is being frontal attacked, and that character gets +1500 power until end of turn)