When i cycle my new tank, would it be better to get the ottos to help a 'fishycycle'?
I would highly recommend against that! Otos can be pretty fragile when you first bring them home from the lfs. You really don't need to add to their challenges.
I wouldn't recommend getting the otos until the tank is well establish and even a bit grown over with algae. I would also highly recommend visiting planetcatfish and reading up on otos before owning any of them.