Cheapest priced copy (Onslaught): $0.35 at Card Kingdom, near mint, their price list as of .
Embermage Goblin 
Creature — Goblin Wizard · 1/1 · Uncommon · Onslaught · #200
When this creature enters, you may search your library for a card named Embermage Goblin, reveal it, put it into your hand, then shuffle.
{T}: This creature deals 1 damage to any target.
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper