As other have said, read Mikhail Bulgakov, including his "Heart of a Dog".
Also try Italo Calvino, his short stories are especially good. Calvino writes in many different literary styles, and magical realism is often at the core of his stories. "The Baron In The Trees" was one of the first books I read by him.
For when you have the mental space, a rather interesting / meta Calvino book: If on a Winter's Night a Traveler