[Ikan Shoot]

The Tilta ES-T07 Blackmagic Cinema Camera Rig was designed specifically for the Blackmagic Cinema Camera and Production Camera 4K. It includes a LANC Control Grip.
https://ikancorp.com/productdetail.php?id=696

Matte Box and Follow Focus would have to be purchased separately.
Matte Boxes: https://ikancorp.com/productlisting.php?id=204
Follow Focus: https://ikancorp.com/productlisting.php?id=175

Another option would be to go with the Tilta DSLR Rig, which comes complete with a Shoulder Mount, 4×4 Carbon Fiber Matte Box, and Follow Focus, although the base plate is not optimized to align with the vent holes on the bottom of the BMCC.
https://ikancorp.com/productdetail.php?id=700

There are also several reasonably-priced ikan Rigs and DV/Pro Power Solutions worth checking out. https://ikancorp.com/productsearch.php?k=blackmagic