Cheapest priced copy (Marvel Super Heroes): $0.35 at Card Kingdom, near mint, their price list as of .
Pet Avengers 
Creature — Dragon Cat Dog Bird Frog Hero · 4/4 · Common · Marvel Super Heroes · #178
Reach
Power-up — {6}{G}: Put a +1/+1 counter on this creature and create a 3/2 white Hero creature token with vigilance. (Activate each power-up ability only once. Reduce the cost by its mana cost if it entered this turn.)
Legal inCommanderBrawlStandardPioneerModernLegacyVintagePauper
1 printing · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Marvel Super Heroes | 178 | Common | $0.35 | $0.49 |