Furycalm Snarl is a rare Land card from Strixhaven: School of Mages Promos (PSTX), collector number 266p. Current market price: $1.14 (foil $1.98), TCGplayer market prices via Scryfall.
As this land enters, you may reveal a Mountain or Plains card from your hand. If you don't, this land enters tapped. {T}: Add {R} or {W}.