Cheapest priced copy (The Brothers' War): $0.39 at Card Kingdom, near mint, their price list as of .
Bushwhack 
Sorcery · Common · Foundations · #215
Choose one —
• Search your library for a basic land card, reveal it, put it into your hand, then shuffle.
• Target creature you control fights target creature you don't control. (Each deals damage equal to its power to the other.)
Legal inCommanderBrawlStandardPioneerModernLegacyVintagePauper
4 printings · $0.39 to $0.79 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| The Brothers' War | 174 | Uncommon | $0.39 | $0.79 |
| Foundations | 215 | Common | $0.39 | $0.49 |
| Foundations Jumpstart | 641 | Uncommon | $0.39 | — |
| The List | BRO-174 | Uncommon | $0.39 | — |