This handy plugin for Honorbuddy will use the item called Potion of Luck (PoL for short).
How to install!
Normal plugin installation. The folder goes in Plugins
What is Potion of Luck?
Use: Allows you to sometimes find extra treasure from monsters in Pandaria. Lasts 20 min. Effect persists through death. (20 Min Cooldown). Source: Wowhead
Where can i get the item?
Alchemy (600). Source: Wowhead