Forsaken City is a rare Land card from Planeshift (PLS), collector number 139. Current market price: $12.23 (foil $201.17), TCGplayer market prices via Scryfall.
This land doesn't untap during your untap step. At the beginning of your upkeep, you may exile a card from your hand. If you do, untap this land. {T}: Add one mana of any color.