It will be RIDICULOUS if Clefairy doesn't become a Fairy-type Pokémon. I mean, its name says it: FAIRY. And I bet Noivern is going to have Soundproof and Levitate as its abilities.
Noivern is already a Flying/Dragon, why would it need Levitate?
Oh, really? I didn't know it was a Flying type. Forget my comment then. Still, I insist that I'd like Fairy to be immune to Dragon.