Myriad Landscape is a uncommon Land card from Duskmourn: House of Horror Commander (DSC), collector number 289. Current market price: $0.40, TCGplayer market prices via Scryfall.
This land enters tapped. {T}: Add {C}. {2}, {T}, Sacrifice this land: Search your library for up to two basic land cards that share a land type, put them onto the battlefield tapped, then shuffle.