Cheapest priced copy (Duel Decks: Garruk vs. Liliana): $0.35 at Card Kingdom, near mint, their price list as of .
Windstorm 
Instant · Uncommon · Khans of Tarkir · #157
Windstorm deals X damage to each creature with flying.
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
5 printings · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Duel Decks: Garruk vs. Liliana | 25 | Uncommon | $0.35 | — |
| Duel Decks Anthology: Garruk vs. Liliana | 25 | Uncommon | $0.35 | — |
| Khans of Tarkir | 157 | Uncommon | $0.35 | $0.49 |
| Magic 2010 | 205 | Uncommon | $0.35 | $0.49 |
| Magic 2014 | 201 | Uncommon | $0.35 | $0.49 |