Ixalli's Lorekeeper is a uncommon Creature — Human Druid card from The Lost Caverns of Ixalan (LCI), collector number 194. Current market price: $0.27 (foil $0.32), TCGplayer market prices via Scryfall.
{T}: Add one mana of any color. Spend this mana only to cast a Dinosaur spell or activate an ability of a Dinosaur source.