Intrepid Paleontologist is a rare Creature — Human Druid card from The Lost Caverns of Ixalan (LCI), collector number 381. Current market price: $0.49 (foil $0.66), TCGplayer market prices via Scryfall.
{T}: Add one mana of any color. {2}: Exile target card from a graveyard. You may cast Dinosaur creature spells from among cards you own exiled with this creature. If you cast a spell this way, that creature enters with a finality counter on it. (If a creature with a finality counter on it would die, exile it instead.)