I played 4-5-1V, 3W-2DMC-3W-1 (twice) and 3W-DMC-3MC-2WAM-1 (loss). Most of the times, I play normal/flanks with no counters (obviously, he plays defense).
I do not know what "weak" DMC means. He's 7 stars and was involved in all of my 25 successive wins.