Margaret: Sacrificing Herself is a Weiß Schwarz card from The Seven Deadly Sins SDS/SX03-040. Compare listings from Singapore Weiß Schwarz sellers on CardJio, then jio them on WhatsApp.
【CONT】 All of your other "Gilthunder: Smile of Relief" get +1000 power and the following ability. "【CONT】 During this card's battle, your opponent cannot play event cards or "Backup" from their hands." 【AUTO】 Bond/"Gilthunder: Smile of Relief" [Put 1 card from your hand into your waiting room] (When this card is played and placed on the stage from your hand, you may pay the cost. If you do, choose 1 "Gilthunder: Smile of Relief" in your waiting room, and return it to your hand)