Happy Christmas パック
Happy Christmas, Puck is a Weiß Schwarz card from 「Re:ゼロから始める異世界生活」Vol.3 RZ/S116-037. 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】 [(1) Put 1 card from your hand into your waiting room] When this card attacks, you may pay the cost. If you do, this card gets +2000 power and the following ability until end of turn. "【AUTO】 When this card's battle opponent becomes 【REVERSE】, you may deal 1 damage to your opponent." (Damage may be canceled)