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 - $2,970.00
Lightly Played - $2,376.00
Moderately Played - $2,079.00
Heavily Played - $1,782.00
Damaged - $1,485.00
Near Mint Spanish - $2,970.00
Lightly Played Spanish - $2,376.00
Moderately Played Spanish - $2,079.00
Heavily Played Spanish - $1,782.00
Damaged Spanish - $1,485.00