Cheapest priced copy (Marvel Super Heroes Commander): $0.35 at Card Kingdom, near mint, their price list as of .
Doom's Servo-Guards 
Artifact Creature — Robot Villain · 2/2 · Common · Marvel Super Heroes Commander · #535
When this creature enters, you gain 2 life and mill two cards. (Put the top two cards of your library into your graveyard.)
Legal inCommanderLegacyVintagePauper
Not legal inBrawlStandardPioneerModern
1 printing · $0.35 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Marvel Super Heroes Commander | 535 | Common | $0.35 | — |