Cheapest priced copy (Shadowmoor): $0.35 at Card Kingdom, near mint, their price list as of .
Blistering Dieflyn 
Creature — Imp · 0/1 · Common · Shadowmoor · #82
Flying
{B/R}: This creature gets +1/+0 until end of turn.
Legal inCommanderModernLegacyVintagePauper
Not legal inBrawlStandardPioneer
1 printing · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Shadowmoor | 82 | Common | $0.35 | $0.49 |