Subterranean Hangar is a uncommon Land card from Mercadian Masques (MMQ), collector number 329. Current market price: $0.43 (foil $4.61), TCGplayer market prices via Scryfall.
This land enters tapped. {T}: Put a storage counter on this land. {T}, Remove any number of storage counters from this land: Add {B} for each storage counter removed this way.