I’m been taking a break from cycling while the road rash from my last UPD heals, and what better way to spend the time than researching 36ers? 
Although the Oracle has officially replaced the Nightrider Pro and Impulse, there are still some of the older designs available to buy for a good price (I think discounted as they’re EOL). My question is, are the Nightrider Pro and Impulse frames identical other than the Magura mounts? Would there be any problems mounting a disk brake to the Nightrider Pro frame via a d’brake, assuming I used a suitable hub?