stratagician 

combination of a stratagist and a magician.

"It was like magic the results we got from the plan set by our stratagician."

stratagician by J Clarke May 13, 2008

strategician 

A practitioner of strategery.

The president took fool sic credit for early military victories, but blamed later failures on the incompetence of his strategicians.

strategician by Johnny Lexiconic February 6, 2007