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}.
Near Mint - £48.00
Lightly Played - £40.80
Moderately Played - £33.60
Heavily Played - £24.00
Damaged - £14.40
Near Mint Non English - £48.00
Lightly Played Non English - £40.80
Moderately Played Non English - £33.60
Heavily Played Non English - £24.00
Damaged Non English - £14.40