Cheapest priced copy (Fourth Edition): $0.35 at Card Kingdom, near mint, their price list as of .
Seeker 
Enchantment — Aura · Common · Fourth Edition · #49
Enchant creature
Enchanted creature can't be blocked except by artifact creatures and/or white creatures.
Legal inCommanderLegacyVintagePauper
Not legal inBrawlStandardPioneerModern
4 printings · $0.35 to $0.79 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Fourth Edition Foreign Black Border | 49 | Common | — | — |
| Fourth Edition | 49 | Common | $0.35 | — |
| Legends | 35 | Uncommon | $0.79 | — |
| Renaissance | 19 | Uncommon | — | — |