Rith's Grove is a uncommon Land — Lair card from Dominaria Remastered (DMR), collector number 255. Current market price: $0.26 (foil $0.40), TCGplayer market prices via Scryfall.
When this land enters, sacrifice it unless you return a non-Lair land you control to its owner's hand. {T}: Add {R}, {G}, or {W}.