Zelena (Once Upon a Time)
In December 2013, Rebecca Mader was cast as the Wicked Witch of the West. She made multiple appearances during the second half of season three and was promoted to a series regular for the show's fifth season. The role of the Wicked Witch of the West was written specifically for Rebecca Mader. It was announced that the writers had chosen not to continue with Zelena's storyline and Mader would not be returning for the seventh season of the show. However, Mader later revealed that she would be returning for multiple season seven episodes.
The Black Fairy
"The Black Fairy" is the nineteenth episode of the sixth season of the American fantasy drama series "Once Upon a Time", which aired on April 30, 2017. In this episode, The Black Fairy's origins and the secret that she kept from Rumplestiltskin are revealed in the present day as Gold takes Emma and Gideon inside the dream world to seek out the truth, while Regina helps Zelena adjust to a normal life without her magic.