‘Sacred Creatures’ Review: Slippery Canadian-Italian Satire Follows the Cult and Collapse of a Questionable Guru

As the great Aretha Franklin taught us, it’s usually a backhanded approach to begin a critique with praise for the gowns. Or gown, in the case of “Sacred Creatures,” a microbudget hothouse drama otherwise not given to ostentatious styling. Still, it’s a pretty defining dress. Worn for the bu…