Last year, writer/director Ari Aster impressed horror fans with “Hereditary,” delivering an eerie meditation on loss mixed with demonic cult theatrics. I wasn’t as thrilled with the feature, finding its insistence on shock value more numbing than chilling, but Aster did manage to pull something special out of star Toni Collette, who delivered the best performance of her career. Aster returns a year later with “Midsommar,” and while he doesn’t have Collette by his side again, he does recycle many of his old tricks, heading once again into the deep end of atmosphere and ultraviolence, transferring the relative intimacy of “Hereditary” to the open land of Sweden with this “Wicker Man” riff that’s extremely long and terribly light with crucial psychological details. The gruesomeness returns, but in a more predictable manner, as Aster chooses to repeat himself to secure a burgeoning helming career. Read the rest at Blu-ray.com