Mage-Ring Network (ORI) from Magic Origins, available at 401 Games Canada.

• Rarity: Uncommon
• Finish: Normal
• Artist: Jung Park
• Card Text:
  T: Add 1 to your mana pool.
  1, T: Put a storage counter on Mage-Ring Network.
  T, Remove X storage counters from Mage-Ring Network: Add X to your mana pool.