Cheapest priced copy (Duel Decks: Jace vs. Vraska): $0.35 at Card Kingdom, near mint, their price list as of .
Aether Adept 
Creature — Human Wizard · 2/2 · Common · Magic 2011 · #41
When this creature enters, return target creature to its owner's hand.
Legal inCommanderModernLegacyVintagePauper
Not legal inBrawlStandardPioneer
3 printings · $0.35 to $2.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Duel Decks: Jace vs. Vraska | 12 | Common | $0.35 | — |
| Magic 2011 | 41 | Common | $0.35 | $2.99 |
| Magic 2012 | 41 | Common | $0.35 | $2.49 |
One ruling from Wizards of the Coast
- 15 August 2010If there are no other creatures on the battlefield when Aether Adept enters, it must target itself.