Mystery Key Tweet Near Mint, English, Socastee, 3 In stock $0.31 Details Color: Blue Card Text: When equipped creature deals combat damage to a player, sacrifice Mystery Key. If you do, draw three cards. Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.) Rarity: U Cost: 1U Card Type: Artifact Equipment Artist: Yeong-Hao Han Name: Mystery Key Finish: Regular Card Number: 085/361 Set Name: Commander Legends: Battle for Baldur's Gate