Mana Vault
778d10e6-251b-4ef3-b9b8-bc23a0d74aed
$76.09 CND
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} to your mana pool.