Mana Vault (Revised Edition)

This artifact doesn't untap during your untap step. At the beginning of your upkeep, you may pay {4}. If you do, untap this artifact. At the beginning of your draw step, if this artifact is tapped, it deals 1 damage to you. {T}: Add {C}{C}{C}.

NM - $187.10
LP - $149.70
MP - $112.30
HP - $74.90
DMG - $37.50