Board Thread:Spoilers!/@comment-27060727-20171014181959/@comment-24264679-20171209031817

Regina

Gothel

Drizella

Anastasia

^These are the only confirmed witches with Magic

Tremaine doesn't have any innate magic just a Fairy Wand.

Zelena lost her magic in Season 6.

Robin could be one but then they would have one hell of a time explaining the time line.

Then you have Alice who is Gothels daughter and by virtue should also have magic.