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 - $297.00
Lightly Played - $237.60
Moderately Played - $207.90
Heavily Played - $178.20
Damaged - $148.50
Near Mint Spanish - $297.00
Lightly Played Spanish - $237.60
Moderately Played Spanish - $207.90
Heavily Played Spanish - $178.20
Damaged Spanish - $148.50