Clachan Festival is a uncommon Kindred Enchantment — Kithkin card from Lorwyn Eclipsed (ECL), collector number 10. Current market price: $0.14 (foil $0.22), TCGplayer market prices via Scryfall.
When this enchantment enters, create two 1/1 green and white Kithkin creature tokens. {4}{W}: Create a 1/1 green and white Kithkin creature token.