十天衆 シス is a Weiß Schwarz card from グランブルーファンタジー GBF/S134-099. Compare listings from Singapore Weiß Schwarz sellers on CardJio, then jio them on WhatsApp.
【CONT】 During your turn, if you have 2 or more other 《Granblue》 characters, this gets +3000 power and the following ability, "【AUTO】 When this card's battle opponent is Reversed, you may mill 6." 【AUTO】 [(4) Discard 2 cards] At the end of this card's attack, if you have 4 or more other 《Granblue》 characters, you may pay cost. If you do, Stand this.
This card was printed in Japanese only; the English text above is an unofficial community translation.