Raugrin Triome is a rare Land — Island Mountain Plains card from Ikoria: Lair of Behemoths Promos (PIKO), collector number 251p. Current market price: $17.09 (foil $23.98), TCGplayer market prices via Scryfall.
({T}: Add {U}, {R}, or {W}.) This land enters tapped. Cycling {3} ({3}, Discard this card: Draw a card.)