Mage-Ring Network (CMM) from Commander Masters, available at 401 Games Canada.

• Rarity: Uncommon
• Finish: Normal
• Artist: Jung Park
• Card Text:
  T: Add C.
  1, T: Put a storage counter on Mage-Ring Network.
  T, Remove any number of storage counters from Mage-Ring Network: Add C for each storage counter removed this way.