User blog comment:Emile674/Rework for Heimerdinger - The Revered Inventor/@comment-5686533-20130508210242

All icons from Dota 2 :

Passive - Clockwerk - Power Cogs

Q - Tinker - March of the Machines

W - Gyrocopter - Homing Missile

E - Storm Spirit - Electric Vortex

R - Rubick - Telekinesis