ワルドの裏切り is a Weiß Schwarz card from ゼロの使い魔 ZM/W03-071. Compare listings from Singapore Weiß Schwarz sellers on CardJio, then jio them on WhatsApp.
Brainstorm Reveal three cards from the top of your deck, and put them into your waiting room. If there is a climax among those cards, choose one of your opponent's characters, and put it on the top of his or her deck.