Ruins of Oran-Rief is a rare Land card from Oath of the Gatewatch Promos (POGW), collector number 176s. Current market price: — (foil $1.01), TCGplayer market prices via Scryfall.
This land enters tapped. {T}: Add {C}. ({C} represents colorless mana.) {T}: Put a +1/+1 counter on target colorless creature that entered this turn.