Fire-Belly Changeling is a common Creature — Shapeshifter card from Lorwyn (LRW), collector number 164. Current market price: $0.31 (foil $3.32), TCGplayer market prices via Scryfall.
Changeling (This card is every creature type.) {R}: This creature gets +1/+0 until end of turn. Activate no more than twice each turn.