Ketria Triome is a rare Land — Forest Island Mountain card from Ikoria: Lair of Behemoths (IKO), collector number 250. Current market price: $16.71 (foil $19.26), TCGplayer market prices via Scryfall.
({T}: Add {G}, {U}, or {R}.) This land enters tapped. Cycling {3} ({3}, Discard this card: Draw a card.)