Cheapest priced copy (Duel Decks: Elspeth vs. Tezzeret): $1.49 at Card Kingdom, near mint, their price list as of .
Kor Skyfisher 
Creature — Kor Soldier · 2/3 · Common · Zendikar · #23
Flying
When this creature enters, return a permanent you control to its owner's hand.
Legal inCommanderModernLegacyVintagePauper
Not legal inBrawlStandardPioneer
6 printings · $1.49 to $15.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Duel Decks: Elspeth vs. Tezzeret | 8 | Common | $1.49 | — |
| Duel Decks: Elspeth vs. Kiora | 16 | Common | $1.79 | — |
| Modern Masters 2017 | 11 | Common | $1.79 | $4.99 |
| The List | DDO-16 | Common | $1.79 | — |
| URL/Convention Promos | 23 | Rare | — | $15.99 |
| Zendikar | 23 | Common | $1.49 | $9.99 |
2 rulings from Wizards of the Coast
- 14 March 2017If Kor Skyfisher is still on the battlefield as its triggered ability resolves, you may return Kor Skyfisher itself.
- 14 March 2017Kor Skyfisher’s triggered ability doesn’t target a permanent. You choose which one to return to its owner’s hand as the ability resolves. No one can respond to the choice.