Cheapest priced copy (Marvel Super Heroes): $0.49 at Card Kingdom, near mint, their price list as of .
Secret Invasion 
Enchantment — Aura · Rare · Marvel Super Heroes · #301
Enchant creature you control
When this Aura enters, exile up to one target creature other than enchanted creature until this Aura leaves the battlefield. Enchanted creature becomes a copy of that creature until this Aura leaves the battlefield.
Enchanted creature has ward {2}.
Legal inCommanderBrawlStandardPioneerModernLegacyVintage
Not legal inPauper
2 printings · $0.49 to $0.59 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Marvel Super Heroes | 72 | Rare | $0.49 | $0.49 |
| Marvel Super Heroes | 301 | Rare | $0.59 | $0.49 |