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 - £2,110.00
Lightly Played - £1,793.50
Moderately Played - £1,477.00
Heavily Played - £1,055.00
Damaged - £633.00
Near Mint Non English - £2,110.00
Lightly Played Non English - £1,793.50
Moderately Played Non English - £1,477.00
Heavily Played Non English - £1,055.00
Damaged Non English - £633.00