Cheapest priced copy (Unfinity): $0.35 at Card Kingdom, near mint, their price list as of .
Goblin Airbrusher 
Creature — Goblin Employee · 2/1 · Uncommon · Unfinity · #108
Whenever you place a sticker, create a Treasure token. If it's an art sticker, instead create two Treasure tokens. (They're artifacts with "{T}, Sacrifice this token: Add one mana of any color.")
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper