Cheapest priced copy (Fate Reforged): $0.35 at Card Kingdom, near mint, their price list as of .
War Flare 
Instant · Common · Fate Reforged · #158
Creatures you control get +2/+1 until end of turn. Untap those creatures.
Legal inCommanderPioneerModernLegacyVintagePauper
Not legal inBrawlStandard
1 printing · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Fate Reforged | 158 | Common | $0.35 | $0.49 |