六竜の『黒』 フェディエル is a Weiß Schwarz card from グランブルーファンタジー GBF/S134-088. Compare listings from Singapore Weiß Schwarz sellers on CardJio, then jio them on WhatsApp.
【CONT】 If you have 4 or more 《Granblue》 characters, this gets -1 Level in hand. 【AUTO】 When this is placed on stage from hand, choose 1 of the following 2 effects and resolve it, a) "You may Heal 1." b) "Your opponent chooses 1 CX from their Waiting Room, and shuffles all other cards from their Waiting Room into their deck., and this turn, this gets +1000 power."
This card was printed in Japanese only; the English text above is an unofficial community translation.