Cheapest priced copy (Innistrad: Crimson Vow): $7.49 at Card Kingdom, near mint, their price list as of .
Kessig Flamebreather 
Creature — Human Shaman · 1/3 · Common · The List · #VOW-164
Whenever you cast a noncreature spell, this creature deals 1 damage to each opponent.
Legal inCommanderPioneerModernLegacyVintagePauper
Not legal inBrawlStandard
3 printings · $7.49 to $59.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Innistrad: Double Feature | 431 | Common | $9.49 | $59.99 |
| The List | VOW-164 | Common | — | — |
| Innistrad: Crimson Vow | 164 | Common | $7.49 | $8.99 |