On the Lookout, Delta is a Weiß Schwarz card from Booster Pack The Eminence in Shadow EIS/SX07-P12. Compare listings from Singapore Weiß Schwarz sellers on CardJio, then jio them on WhatsApp.
【AUTO】 [(1) Put 1 card from your hand into your waiting room] When this card is placed on the stage from your hand, you may pay the cost. If you do, search your deck for up to 1 《Eminence in Shadow》 character, reveal it to your opponent, put it into your hand, and shuffle your deck. 【AUTO】 When this card becomes 【REVERSE】, if this card's battle opponent is level 0 or lower, you may put that character at the bottom of your opponent's deck.