Cheapest priced copy (Core Set 2020): $0.35 at Card Kingdom, near mint, their price list as of .
Lavakin Brawler 
Creature — Elemental Warrior · 2/4 · Common · Core Set 2020 · #147
Whenever this creature attacks, it gets +1/+0 until end of turn for each Elemental you control.
Legal inCommanderPioneerModernLegacyVintagePauper
Not legal inBrawlStandard
1 printing · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Core Set 2020 | 147 | Common | $0.35 | $0.49 |
2 rulings from Wizards of the Coast
- 12 July 2019Because Lavakin Brawler is itself an Elemental, its ability will usually give it at least +1/+0.
- 12 July 2019The size of the bonus is determined as Lavakin Brawler’s ability begins to resolve; it won’t change later in the turn if the number of Elementals you control changes.