Howzer: At the Fighting Festival is a Weiß Schwarz card from The Seven Deadly Sins SDS/SX03-090. Compare listings from Singapore Weiß Schwarz sellers on CardJio, then jio them on WhatsApp.
【AUTO】 When your other 《Britannia》 character attacks, this card gets +X power until end of turn. X is equal to the number of other 《Britannia》 characters you have ×500. 【AUTO】 [(1)] At the beginning of the encore step, if you do not have another 【REST】 character in your center stage, you may pay the cost. If you do, 【REST】 this card.