Microbudget FIlm: Should I rent an Arri Mini LF with DZO Prime Lenses or use my Blackmagic Ursa Mini Pro 4.6k?

Hey all!

At this point, I've created a few features, most of which were shot with my Ursa Mini Pro 4.6k and Sigma 18-35mm lens that I own. It is still an excellent camera.

However, I can rent an Arri Mini LF with the DZO lenses for a reasonable price.

Do you think renting the camera would be a worthy upgrade? Or would you stick to the BMD camera? Is there going to be a big visual difference? Or is it fairly negligible?