Cheapest priced copy (Marvel Super Heroes): $10.99 at Card Kingdom, near mint, their price list as of .
Ultron, Artificial Malevolence 
Legendary Artifact Creature — Robot Villain · 2/4 · Mythic · Marvel Super Heroes · #252
Whenever another nontoken artifact you control enters, you may pay {2}. If you do, create a token that's a copy of it. If the token isn't a creature, it becomes a 2/2 Robot Villain creature in addition to its other types.
Legal inCommanderBrawlStandardPioneerModernLegacyVintage
Not legal inPauper
3 printings · $10.99 to $89.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Marvel Super Heroes | 252 | Mythic | $10.99 | $14.99 |
| Marvel Super Heroes | 344 | Mythic | $17.99 | $24.99 |
| Marvel Super Heroes | 401 | Mythic | — | $89.99 |