As a Galio main, I can actually wait... (Mordekaiser rework)
Until you make Mordekaiser worth actually playing. Right now he's in a horrific spot that is a complete spit in the face to all current and previous Mordekaiser players. (Myself included) You took a champion who was semi-balanced, and had clear cut weaknesses and strengths... then you emphasized his weaknesses and made his strengths less defined and more gimmicky. He can be outplayed by most if not all of the current meta top laners. (Sorry Morde mains, I know y'all can get work done, but let's face it. Mordekaiser just isn't that good right now.)
So yes, I am more than happy playing tank Galio top/mid lane while you make mordekaiser a well-designed and well rounded champion.
IMO I think an un-rework would be the best option, as you could work on the older mordekaiser which is probably easier to balance than captain 3-hit wonder pizza feet man.