挑戦者求む is a Weiß Schwarz card from Fate/kaleid liner Prisma☆Illya プリズマ☆ファンタズム PI/SE36-29a. Compare listings from Singapore Weiß Schwarz sellers on CardJio, then jio them on WhatsApp.
【COUNTER】You may choose 2 cards from your Hand, place them into Waiting Room. If you did, choose 1 opponent's Character with Level 3 or lower at Front Row, place it into Waiting Room.
This card was printed in Japanese only; the English text above is an unofficial community translation.