They’re a fey witch who changes how they look to manipulate and prank and befuddle and seduce others. Their magic is dark, illusory, spooky, and nature based.
Some thoughts:
I Want To Be Evil - Eartha Kitt
Whatever Lola Wants (Lola Gets) - Sarah Vaughan
Trust In Me (Kaa’s song from The Jungle Book)
Curveballs welcome, no wrong answers
Have you ever seen that meme where people write increasingly eldritch lyrics to Jolene?
Someone recorded a version like that: https://www.youtube.com/watch?v=yj_Q6VhX6l8
Perfection
The shot when they come downstairs is a tad ruined by a rockstar drum pad lol.