If you loved The Masque of the Red Death, try X: The Man with the X-Ray Eyes
A bridge between a film you've already seen and one most people haven't. Here's what they share, and what the second one does that the first one doesn't.
What they share
Both films are directed by Roger Corman, and they both carry the dread mood tag, and they sit in Horror territory. If that's the register that drew you to The Masque of the Red Death, the second film will land in a comparable space — through a different lens.
dread
What X: The Man with the X-Ray Eyes is
Rooftop. Midnight. A pigeon's coo. A scientist's self-experiment grants him vision beyond sight, a gift that quickly warps his world and endangers everyone around him. Corman's sci-fi paranoia plays on primal fears.

