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 - $1,485.00
Lightly Played - $1,188.00
Moderately Played - $1,039.50
Heavily Played - $891.00
Damaged - $742.50
Near Mint Spanish - $1,485.00
Lightly Played Spanish - $1,188.00
Moderately Played Spanish - $1,039.50
Heavily Played Spanish - $891.00
Damaged Spanish - $742.50