反撃の狼煙
Signal to Counterattack is a Weiß Schwarz card from Fate/stay night [Unlimited Blade Works]Vol.Ⅱ FS/S36-026. Compare listings from Singapore Weiß Schwarz sellers on CardJio, then jio them on WhatsApp.
【COUNTER】 Choose one of your 《Master》 or 《Servant》 characters, and that character gets +3500 power until end of turn.