Kithkeeper is a uncommon Creature — Elemental card from Lorwyn Eclipsed (ECL), collector number 23. Current market price: $0.08 (foil $0.22), TCGplayer market prices via Scryfall.
Vivid — When this creature enters, create X 1/1 green and white Kithkin creature tokens, where X is the number of colors among permanents you control. Tap three untapped creatures you control: This creature gets +3/+0 and gains flying until end of turn.