Cheapest priced copy (The List): $0.99 at Card Kingdom, near mint, their price list as of .
Quest for the Goblin Lord 
Enchantment · Uncommon · Worldwake · #86
Whenever a Goblin you control enters, you may put a quest counter on this enchantment.
As long as this enchantment has five or more quest counters on it, creatures you control get +2/+0.
Legal inCommanderModernLegacyVintage
Not legal inBrawlStandardPioneerPauper