The Key to the Vault [Outlaws of Thunder Junction Prerelease Promos]Set: Outlaws of Thunder Junction Prerelease Promos Type: Legendary Artifact Equipment Rarity: Rare Cost: {1}{U} Whenever equipped creature deals combat damage to a player, look at that many cards from the top of your library. You may exile a nonland card from among them. Put the rest on the bottom of your library in a random order. You may cast the exiled card without paying its mana cost. Equip 2U