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 - $114.60
Near Mint Non-English - $114.60
Lightly Played - $103.20
Lightly Played Non-English - $103.20
Played - $80.20
Played Non-English - $80.20
Heavily Played - $68.80
Heavily Played Non-English - $68.80
Damaged Non-English - $57.30
Damaged - $57.30