I have always liked the idea of a Master of the Forge led army, but I don't care for the resin model. I figured I'd see what I could do with an all plastic build.
Here's a go at a Master with a Conversion Beamer, using parts from the Devastators box and the Marine Vehicle Accessory sprue.
I started with modest parts, a set of legs, a standard torso rear and a Tech front torso from the Marine vehicle sprue: