Cheapest priced copy (Duel Decks: Elves vs. Inventors): $0.35 at Card Kingdom, near mint, their price list as of .
Neurok Replica 
Artifact Creature — Wizard · 1/4 · Common · Scars of Mirrodin · #186
{1}{U}, Sacrifice this creature: Return target creature to its owner's hand.
Legal inCommanderModernLegacyVintagePauper
Not legal inBrawlStandardPioneer
2 printings · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Duel Decks: Elves vs. Inventors | 59 | Common | $0.35 | — |
| Scars of Mirrodin | 186 | Common | $0.35 | $0.49 |
One ruling from Wizards of the Coast
- 1 January 2011You may target Neurok Replica with its own ability. However, if you do, the ability won’t resolve for having an illegal target.