Cheapest priced copy (Foundations Jumpstart): $0.35 at Card Kingdom, near mint, their price list as of .
Desperate Lunge 
Instant · Common · Foundations Jumpstart · #188
Target creature gets +2/+2 and gains flying until end of turn. You gain 2 life.
Legal inCommanderPioneerModernLegacyVintagePauper
Not legal inBrawlStandard
3 printings · $0.35 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Foundations Jumpstart | 188 | Common | $0.35 | — |
| The List | WAR-266 | Common | $0.35 | — |
| War of the Spark | 266 | Common | $0.35 | — |
2 rulings from Wizards of the Coast
- 3 May 2019A creature gaining flying after it has been blocked by a creature without flying or reach won't remove the blocking creature from combat or cause the creature it blocked to become unblocked.
- 3 May 2019If the target creature is an illegal target by the time Desperate Lunge tries to resolve, the spell doesn't resolve. You don't gain 2 life.