Mage-Ring Network is a uncommon Land card from Magic Origins (ORI), collector number 249. Current market price: $0.30 (foil $1.11), TCGplayer market prices via Scryfall.
{T}: Add {C}. {1}, {T}: Put a storage counter on this land. {T}, Remove any number of storage counters from this land: Add {C} for each storage counter removed this way.