手掛かり is a Weiß Schwarz card from 禁書目録II＆超電磁砲 RG/W13-071. Compare listings from Singapore Weiß Schwarz sellers on CardJio, then jio them on WhatsApp.
Choose up to 2 of your 《超能力》 Characters, during this turn, they get +3000 Power.
This card was printed in Japanese only; the English text above is an unofficial community translation.