Xyru Specter 51/121 (Mystery Booster: Convention Edition Exclusives)

Flying Whenever Xyru Specter deals damage to an opponent, that player discards a card unless they challenge you. If challenged, and you show them two black cards in your hand, they must discard two cards.

NM - $1.50
LP - $1.50
MP - $1.50
HP - $1.50
DMG - $1.50