Cheapest priced copy (Aether Revolt): $0.39 at Card Kingdom, near mint, their price list as of .
Servo Schematic 
Artifact · Uncommon · Aether Revolt · #176
When this artifact enters or is put into a graveyard from the battlefield, create a 1/1 colorless Servo artifact creature token.
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
2 printings · $0.39 to $1.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Aether Revolt | 176 | Uncommon | $0.39 | $1.99 |
| The Brothers' War Commander | 158 | Uncommon | $0.49 | — |
One ruling from Wizards of the Coast
- 9 February 2017Servo Schematic's ability doesn't allow you to sacrifice it whenever you'd like. You must find another way to get Servo Schematic into the graveyard.