I think enabling each of them moving shots would make an interesting alternative build for Swann.
As of now, hellions are rarely used for their squishiness (some do use them but most use Hellbats) and Cyclone just need some speed boost and lock-on range maintain buffs.
I made a demo of it.
Link: https://www.youtube.com/watch?v=ocfC55ijOEI&feature=youtu.be
My Thread: https://us.forums.blizzard.com/en/sc2/t/improving-swann-cyclones-feat-science-vessels/13117