不意打ち
Surprise Attack is a Weiß Schwarz card from 五等分の花嫁 一花 5HY/W83-T11. Compare listings from Singapore Weiß Schwarz sellers on CardJio, then jio them on WhatsApp.
Look at up to 4 cards from the top of your deck, choose up to 1 《Quintuplets》 character from among them, reveal it to your opponent, put it into your hand, put the rest into your waiting room, choose 1 of your characters, and that character gets +3000 power until end of turn.