Rex “The Game of Betrayal” is a Weiß Schwarz card from Booster Pack The Eminence in Shadow EIS/SX07-005. Compare listings from Singapore Weiß Schwarz sellers on CardJio, then jio them on WhatsApp.
【AUTO】 When this card is placed on the stage from your hand, you may choose 1 of your other characters, and put it into your stock. 【AUTO】 When this card is placed on the stage from your hand, if you have 4 or more other 《Eminence in Shadow》 characters, you may choose 1 《Eminence in Shadow》 character in your waiting room, and put it into your stock.