Crib Swap is a uncommon Kindred Instant — Shapeshifter card from Lorwyn Eclipsed (ECL), collector number 11. Current market price: $0.27 (foil $0.32), TCGplayer market prices via Scryfall.
Changeling (This card is every creature type.) Exile target creature. Its controller creates a 1/1 colorless Shapeshifter creature token with changeling.