Cheapest priced copy (Dominaria Remastered): $0.35 at Card Kingdom, near mint, their price list as of .
Glintwing Invoker 
Creature — Human Wizard Mutant · 3/3 · Common · Dominaria Remastered · #52
{7}{U}: This creature gets +3/+3 and gains flying until end of turn.
Legal inCommanderLegacyVintagePauper
Not legal inBrawlStandardPioneerModern
2 printings · $0.35 to $0.79 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Dominaria Remastered | 52 | Common | $0.35 | $0.49 |
| Legions | 40 | Common | $0.35 | $0.79 |