Burrenton Bombardier is a common Creature — Kithkin Soldier card from Morningtide (MOR), collector number 3. Current market price: $0.27 (foil $0.28), TCGplayer market prices via Scryfall.
Flying Reinforce 2—{2}{W} ({2}{W}, Discard this card: Put two +1/+1 counters on target creature.)