Cheapest priced copy (Marvel Super Heroes Commander): $0.35 at Card Kingdom, near mint, their price list as of .
Machine Man, Model X-51 
Legendary Artifact Creature — Robot Hero · 2/3 · Uncommon · Marvel Super Heroes Commander · #751
Whenever you cast a noncreature spell, put a +1/+1 counter on Machine Man and he gains flying until end of turn.
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
1 printing · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Marvel Super Heroes Commander | 751 | Uncommon | $0.35 | $0.49 |