祭の日 成神 空 is a Weiß Schwarz card from 神様になった日 DBG/W87-033. 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, perform the following action 2 times. "You may choose 1 of your opponent's level 1 or higher characters. If you do, your opponent chooses 1 level X or lower character in their waiting room, and exchanges them. X is equal to the level of the character you chose -1." 【AUTO】 When your opponent uses an 【ACT】, this card gets +1500 power until end of turn.