Color: Black creature
Action: We'd like you to show us this world's version of the creature called "Phyrexian Rager". Reinterpret it through the lens of the styleguide. (Don't include the blue-skinned humanoid in the reference.)
Focus: the Phyrexian rager
Mood: It's fascinated by how you experience pain.
Notes: This is a purely Phyrexian creature.
Because the world had already seen a Phyrexian Rager in Apocalypse, there was an art reference for Stephan to work from. Here's what the original rager looked like.
Stephan's version focused more on the rager and didn't include a victim. It still seems pretty menacing, don't you think?
And here's what it looks like in Mirrodin Besieged packs: