Cheapest priced copy (Darksteel): $1.29 at Card Kingdom, near mint, their price list as of .
Flamebreak 
Sorcery · Rare · Darksteel · #61
Flamebreak deals 3 damage to each creature without flying and each player. Creatures dealt damage this way can't be regenerated this turn.
Legal inCommanderModernLegacyVintage
Not legal inBrawlStandardPioneerPauper
1 printing · $1.29 to $3.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Darksteel | 61 | Rare | $1.29 | $3.99 |