Cheapest priced copy (The Brothers' War): $0.35 at Card Kingdom, near mint, their price list as of .
Goblin Firebomb 
Artifact · Common · The Brothers' War · #235
Flash
{7}, {T}, Sacrifice this artifact: Destroy target permanent.
Legal inCommanderBrawlStandardPioneerModernLegacyVintagePauper
2 printings · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| The Brothers' War | 235 | Common | $0.35 | $0.49 |
| Foundations | 562 | Common | $0.35 | — |