Cheapest priced copy (Marvel Super Heroes): $0.35 at Card Kingdom, near mint, their price list as of .
Mockingbird, Ace Agent 
Legendary Creature — Human Spy Hero · 2/2 · Uncommon · Marvel Super Heroes · #22
Double strike
Whenever you cast a spell that targets a creature you control, put a +1/+1 counter on Mockingbird.
Legal inCommanderBrawlStandardPioneerModernLegacyVintage
Not legal inPauper
1 printing · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Marvel Super Heroes | 22 | Uncommon | $0.35 | $0.49 |