Sawtooth Thresher is a common Artifact Creature — Construct card from Fifth Dawn (5DN), collector number 149. Current market price: $0.07 (foil $0.38), TCGplayer market prices via Scryfall.
Sunburst (This creature enters with a +1/+1 counter on it for each color of mana spent to cast it.) Remove two +1/+1 counters from this creature: It gets +4/+4 until end of turn.