Cheapest priced copy (Duel Decks: Speed vs. Cunning): $0.35 at Card Kingdom, near mint, their price list as of .
Faerie Impostor 
Creature — Faerie Rogue · 2/1 · Uncommon · Duel Decks: Speed vs. Cunning · #43
Flying
When this creature enters, sacrifice it unless you return another creature you control to its owner's hand.
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
2 printings · $0.35 to $1.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Duel Decks: Speed vs. Cunning | 43 | Uncommon | $0.35 | — |
| Return to Ravnica | 39 | Uncommon | $0.35 | $1.49 |
One ruling from Wizards of the Coast
- 1 October 2012Returning another creature you control to its owner’s hand is optional. You may choose to sacrifice Faerie Impostor, even if you could return a creature.