Looks good!
I took a Gorgon-free Death Riders lists to a recent Epic-UK tournament. Thought the army was ok but not amazing and the tractors for the Grenadiers were a liability.
https://photos.app.goo.gl/9NPXvKscRMxWWCbc9 I'm curious to see what your army list might look like? This is what I ran last time round:
Death Rider Company (Commissar) 325
Death Rider Company (Commissar) 325
Death Rider Company (Commissar) 325
Death Rider Company (Commissar) 325
Deathstrikes (Commissar) 200
Medusa Battery 125
Flak Battery 150
Flak Battery 150
Flak Battery 150
Grenadier Platoon + Tractors (Commissar) 275
Reaver Titan 650
11 formations, 3,000 points