封印されていた【六の弾】 is a Weiß Schwarz card from デート・ア・ライブ Vol.3 DAL/W131-059. Compare listings from Singapore Weiß Schwarz sellers on CardJio, then jio them on WhatsApp.
【COUNTER】 Choose 1 《Date》 or 《Celestial Spirit》 character in your Clock, add it to hand. Send this to Memory.
This card was printed in Japanese only; the English text above is an unofficial community translation.