The Wizard Mombi?
Mombi attempts to use magic on Glinda. Glinda removes Mombi's magical powers permanently.
Aired 20/04/1987EP 29 - The Wizard Mombi?
1986
The Wonderful Wizard of Oz
Based on The Wonderful Wizard of Oz (1900), The Marvelous Land of Oz, Ozma of Oz, and The Emerald City of Oz (1900-1920) by L. Frank Baum (1856-1919).
(Source: AniDB)