龍之介の師 キャスター is a Weiß Schwarz card from Fate/Zero FZ/SE13-22. Compare listings from Singapore Weiß Schwarz sellers on CardJio, then jio them on WhatsApp.
【AUTO】 When this card is placed on Stage from Hand, choose 1 of your other 《死》 Characters, during this turn, it gets +1000 Power. 【AUTO】 BOND／「雨生 龍之介」 ［①］ (When this card is played to Stage, you may pay this cost. If you do, choose 1 「雨生 龍之介」 from your Waiting Room, return it to Hand.
This card was printed in Japanese only; the English text above is an unofficial community translation.