Earthbrawn is a common Instant card from Morningtide (MOR), collector number 119. Current market price: $0.11 (foil $0.40), TCGplayer market prices via Scryfall.
Target creature gets +3/+3 until end of turn. Reinforce 1—{1}{G} ({1}{G}, Discard this card: Put a +1/+1 counter on target creature.)