Cheapest priced copy (Marvel Super Heroes Commander): $0.35 at Card Kingdom, near mint, their price list as of .
Furious Strength 
Enchantment — Aura · Common · Marvel Super Heroes Commander · #544
Enchant creature
Enchanted creature gets +2/+2 and has menace. (It can't be blocked except by two or more creatures.)
Legal inCommanderLegacyVintagePauper
Not legal inBrawlStandardPioneerModern
1 printing · $0.35 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Marvel Super Heroes Commander | 544 | Common | $0.35 | — |