Cheapest priced copy (Jumpstart 2022): $0.35 at Card Kingdom, near mint, their price list as of .
Pounce 
Instant · Common · Ixalan · #200
Target creature you control fights target creature you don't control. (Each deals damage equal to its power to the other.)
Legal inCommanderPioneerModernLegacyVintagePauper
Not legal inBrawlStandard
2 printings · $0.35 to $1.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Jumpstart 2022 | 707 | Common | $0.35 | — |
| Ixalan | 200 | Common | $0.35 | $1.99 |
One ruling from Wizards of the Coast
- 29 September 2017If either or both targets are illegal when Pounce tries to resolve, no creature will deal or be dealt damage.