Spara's Headquarters is a rare Land — Forest Plains Island card from Streets of New Capenna Promos (PSNC), collector number 257p. Current market price: $14.17 (foil $15.46), TCGplayer market prices via Scryfall.
({T}: Add {G}, {W}, or {U}.) This land enters tapped. Cycling {3} ({3}, Discard this card: Draw a card.)