Mana Vault [Revised Edition] Faerie Wizard Set: Lorwyn Type: Creature —

Set: Lorwyn Type: Creature — Faerie Wizard Rarity: Common Cost: {1}{U} Flash

Set: Legends Type: Artifact Rarity: Rare Cost: {6} At the beginning of your upkeep

Set: Tenth Edition Type: Creature — Spirit Rarity: Rare Cost: {3}{G}{G} Untap all permanents you control during each other player's untap step

cast it without paying its mana cost

And many of the devils We also made obedient to him

Mana Vault [Revised Edition] Faerie Wizard Set: Lorwyn Type: Creature —Set: Revised Edition Type: Artifact Rarity: Rare Cost: {1} Mana Vault doesn't untap during your untap step. At the beginning of your upkeep, you may pay {4}. If you do, untap Mana Vault. At the beginning of your draw step, if Mana Vault is tapped, it deals 1 damage to you. {T}: Add {C}{C}{C}.