Every month, hundreds of galleries add newly available works by thousands of artists to the Artnet Gallery Network—and every week, we shine a spotlight on one artist or exhibition you should know.

A priestess in “Serafisk Sang”, virginal in “Pastorale”, botanic in “Sommertanz” and finally a witch in “Hexentanz”, Mary Wigman is a woman-flower, goddess and a prophetess in turn. Her jerky, sombre ...