Cheapest priced copy (Modern Horizons 3): $0.35 at Card Kingdom, near mint, their price list as of .
Fledgling Dragon 
Creature — Dragon · 2/2 · Uncommon · Modern Horizons 3 · #280
Flying
Threshold — As long as there are seven or more cards in your graveyard, this creature gets +3/+3 and has "{R}: This creature gets +1/+0 until end of turn."
Legal inCommanderModernLegacyVintage
Not legal inBrawlStandardPioneerPauper
2 printings · $0.35 to $13.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Judgment | 90 | Rare | $0.49 | $13.99 |
| Modern Horizons 3 | 280 | Uncommon | $0.35 | $0.49 |