Cheapest priced copy (Marvel Super Heroes Commander): $0.35 at Card Kingdom, near mint, their price list as of .
Peggy Carter, Secret Agent 
Legendary Creature — Human Spy Hero · 2/1 · Uncommon · Marvel Super Heroes Commander · #523
Whenever a creature you control attacks alone, it gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
1 printing · $0.35 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Marvel Super Heroes Commander | 523 | Uncommon | $0.35 | — |