Yes, it would be truly awful. Reynolds at Lb? Christ on a stick no. Flood playing but no maclean? C'mon, that's just silly.
Regardless of what I think though it's likely DM will revert to the euro formation with Logan at rwb, Hayes at Lwb, shinnie, Jack, MacLean and Mcginn in the middle with goodwillie up top. Fuck knows which cb's he will pick though, I've never known an Aberdeen manager harder to predict. Personally I would go Taylor, Reynolds and Considine as Quinn looks far to static to play against Grifiths on current form.
The team I would go with though is
Ward
Logan
Taylor
Considine
Shinnie
Jack
MacLean
Mcginn
Goodwillie
Hayes
Rooney
It's well balanced, experienced and everyone is playing in their natural position bar goodwillie and even then its not by much. Oh and before anyone suits maclean is an attacking mid his first two years at st Mirren he played cm. It was only when they had no options in the front line that he was moved further forward.