Mana Vault [2X2 - 308] Ikoria Lair of Behemoths Sacrifice this artifact: Add one

Sacrifice this artifact: Add one mana of any color to your mana pool

You have no maximum hand size for the rest of the game

Rules Text Contains: Add RRR to your mana pool

Spend this mana only to cast your commander

then give each another counter of each kind already there

Mana Vault [2X2 - 308] Ikoria Lair of Behemoths Sacrifice this artifact: Add oneRarity: M #: 308 Creature Type or Sub Type: Artifact Rules Text Contains: 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 CCC.