Quandrix Campus is a common Land card from Duskmourn: House of Horror Commander (DSC), collector number 294. Current market price: $0.19, TCGplayer market prices via Scryfall.
This land enters tapped. {T}: Add {G} or {U}. {4}, {T}: Scry 1. (Look at the top card of your library. You may put that card on the bottom.)