Cheapest priced copy (Marvel Super Heroes Commander): $0.35 at Card Kingdom, near mint, their price list as of .
Crimson Operative 
Artifact Creature — Human Villain · 3/2 · Common · Marvel Super Heroes Commander · #848
Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)
When this creature enters, exile the top card of your library. Until the end of your next turn, you may play that card.
Legal inCommanderBrawlStandardPioneerModernLegacyVintagePauper
2 printings · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Marvel Super Heroes Commander | 848 | Common | $0.35 | — |
| Marvel Super Heroes | 126 | Common | $0.35 | $0.49 |