Cheapest priced copy (Marvel Super Heroes Commander): $0.69 at Card Kingdom, near mint, their price list as of .
Contract Hero 
Creature — Human Mercenary Hero · 2/3 · Common · Marvel Super Heroes Commander · #683
When this creature enters, create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")
Whenever this creature attacks, you may sacrifice an artifact or discard a card. If you do, this creature gets +2/+0 until end of turn.
Legal inCommanderLegacyVintagePauper
Not legal inBrawlStandardPioneerModern
1 printing · $0.49 to $0.69 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Marvel Super Heroes Commander | 683 | Common | $0.69 | $0.49 |