MubiShot in one continuous take, Alexander Sokurov’s 2002 period-piece fantasia Russian Ark was such a formal achievement that it inspired two decades’ worth of like-minded edit-free features. Medusa Deluxe is the latest to attempt that feat, or at least pretend to—as with many of its predecessors, there are a few instances where writer/director Thomas Hardiman has apparently used some stitching to give his material the appearance of seamlessness. Those potential cheats, however, are inconsequen