Cheapest priced copy (Lorwyn): $2.79 at Card Kingdom, near mint, their price list as of .
Faerie Harbinger 
Creature — Faerie Wizard · 2/2 · Uncommon · Lorwyn · #61
Flash
Flying
When this creature enters, you may search your library for a Faerie card, reveal it, then shuffle and put that card on top.
Legal inCommanderModernLegacyVintage
Not legal inBrawlStandardPioneerPauper