Mana Vault [Fourth Edition (Foreign White Border)] DP51 heal 50 damage from those

heal 50 damage from those Pokemon for each card you attached to them in this way

Put that card into your hand and exile the other with a silver counter on it

exile them

Set: Ikoria: Lair of Behemoths Promos Type: Land — Plains Swamp Forest Rarity: Rare ({T}: Add {W}

so can hold up to 80 cards back-to-back (more if you put duplicates behind)

Mana Vault [Fourth Edition (Foreign White Border)] DP51 heal 50 damage from thoseSet: Fourth Edition (Foreign White Border) Rarity: Rare 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. T: Add three colorless mana to your mana pool. Play these additions as interrupts.