Abzan Guide is a common Creature — Human Warrior card from The List (PLST), collector number KTK-162. Current market price: $0.22, TCGplayer market prices via Scryfall.
Lifelink (Damage dealt by this creature also causes you to gain that much life.) Morph {2}{W}{B}{G} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)