Mana Vault
5cbc686e-a8ef-40de-b79a-803ef42f8384
$12.06 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.