Cheapest priced copy (Amonkhet): $0.35 at Card Kingdom, near mint, their price list as of .
Mighty Leap 
Instant · Common · Game Night 2019 · #9
Target creature gets +2/+2 and gains flying until end of turn.
Legal inCommanderPioneerModernLegacyVintagePauper
Not legal inBrawlStandard
13 printings · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Amonkhet | 20 | Common | $0.35 | $0.49 |
| Ravnica: Clue Edition | 66 | Common | $0.35 | — |
| Duel Decks: Elspeth vs. Tezzeret | 24 | Common | $0.35 | — |
| Duel Decks: Knights vs. Dragons | 26 | Common | $0.35 | — |
| Duel Decks: Elspeth vs. Kiora | 18 | Common | $0.35 | — |
| Game Night 2019 | 9 | Common | $0.35 | — |
| Magic 2011 | 22 | Common | $0.35 | $0.49 |
| Magic 2012 | 26 | Common | $0.35 | $0.49 |
| Core Set 2019 | 28 | Common | $0.35 | $0.49 |
| Modern Masters 2015 | 24 | Common | $0.35 | $0.49 |
| Oath of the Gatewatch | 28 | Common | $0.35 | $0.49 |
| Magic Origins | 26 | Common | $0.35 | $0.49 |
| The List | M19-28 | Common | $0.35 | — |
One ruling from Wizards of the Coast
- 13 July 2018Giving a creature flying after it’s already been blocked won’t change or undo that block. If you want to affect what can block the creature, you must cast Mighty Leap during the declare attackers step at the latest.