Artifact, 1 (1)

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 {3} to your mana pool.
Illus. Mark Tedin
Restricted in Vintage (Type 1)
Banned in Legacy (Type 1.5)
Restricted in Classic (MTGO)
Legal in Commander