Cheapest priced copy (Battle Royale Box Set): $0.35 at Card Kingdom, near mint, their price list as of .
Steam Blast 
Sorcery · Uncommon · Battle Royale Box Set · #81
Steam Blast deals 2 damage to each creature and each player.
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
2 printings · $0.35 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Battle Royale Box Set | 81 | Uncommon | $0.35 | — |
| Urza's Saga | 219 | Uncommon | $0.35 | — |