Krosan Verge is a uncommon Land card from Outlaws of Thunder Junction Commander (OTC), collector number 304. Current market price: $0.29, TCGplayer market prices via Scryfall.
This land enters tapped. {T}: Add {C}. {2}, {T}, Sacrifice this land: Search your library for a Forest card and a Plains card, put them onto the battlefield tapped, then shuffle.