Mana Vault does not untap during your untap phase. If it remains tapped during your upkeep, Mana Vault deals 1 damage to you. 4 Untap Mana Vault. Use this ability only during your upkeep. TAP Add 3 colorless mana to your mana pool. Play this ability as an interrupt.

• Number: 203
• Rarity: R
• Type: Artifact
• Mana cost: 1
• Color: Artifact
• Artist: Mark Tedin