Horror cinema is often limited to its wheelhouse of established fears – ghosts, demons, strangers, monsters, or disturbing details.  Horror hounds are always looking for different scares though, and are always welcoming of a filmmaker’s ambition.  Failure is still an option, but the best case scenario is that these directorial risks pay off and make lasting provocative impressions – much like Babak Anvari’s Under the Shadow.  It’s an incredible horror film that deals with not just the supernatural, but also…