Ash Barrens is a common Land card from Duskmourn: House of Horror Commander (DSC), collector number 260. Current market price: $0.25, TCGplayer market prices via Scryfall.
{T}: Add {C}. Basic landcycling {1} ({1}, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)