Cheapest priced copy (Torment): $0.35 at Card Kingdom, near mint, their price list as of .
Skywing Aven 
Creature — Bird Soldier · 2/1 · Common · Torment · #47
Flying
Discard a card: Return this creature to its owner's hand.
Legal inCommanderLegacyVintagePauper
Not legal inBrawlStandardPioneerModern
2 printings · $0.35 to $0.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Torment | 47 | Common | $0.35 | $0.99 |
| Ultimate Masters | 69 | Common | $0.35 | $0.49 |
2 rulings from Wizards of the Coast
- 7 December 2018You can activate Skywing Aven’s ability, then activate it again before that ability resolves. You may do this as many times as you’d like before resolving any of those abilities.
- 7 December 2018Skywing Aven’s last ability can be activated only while it’s on the battlefield.