i've been lookin at this today and just kinda throwing the idea around in my head. I can remember the one time I tried this, way back when at pound2 vs drephen. Granted I blew horribly bad then (as opposed to just being abysmally bad now), and drephen was still drephen, it didnt really work out too well.
BUT.
There are some things you can get from this.
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1) For a majority of the time, you can chaingrab sheik uninterrupted by platforms.
2) Anytime you get sheik off the stage, that's free punishment.
3) Sheik's not going to have alot of room to back up and setup/reset defense, which is what you want.
But on the negative side of it.
1) for a majority of the time, you're gunna be in sheik's face.
2) Anytime sheik gets you off the stage, that's free punishment.
3) You're not going to have alot of room to move away from sheik's pressure.
My point in all of this is that in this matchup, mutecity can REALLY be double edged. For it ot even work, you need to have a reason to even go there. It's not that it cant work, but if you go there for the wrong reasons, it will backfire so quick it's not even funny.