Cheapest priced copy (Morningtide): $0.35 at Card Kingdom, near mint, their price list as of .
Earthbrawn 
Instant · Common · Morningtide · #119
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.)
Legal inCommanderModernLegacyVintagePauper
Not legal inBrawlStandardPioneer
1 printing · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Morningtide | 119 | Common | $0.35 | $0.49 |