Cheapest priced copy (Commander 2013): $0.35 at Card Kingdom, near mint, their price list as of .
Deepfire Elemental 
Creature — Elemental · 4/4 · Uncommon · Coldsnap · #127
{X}{X}{1}: Destroy target artifact or creature with mana value X.
Legal inCommanderModernLegacyVintage
Not legal inBrawlStandardPioneerPauper
2 printings · $0.35 to $0.79 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Commander 2013 | 185 | Uncommon | $0.35 | — |
| Coldsnap | 127 | Uncommon | $0.35 | $0.79 |
One ruling from Wizards of the Coast
- 15 July 2006For example, for Deepfire Elemental to destroy a creature with mana value 4 would cost {4}+{4}+{1} = {9}.