What's Wanda doing? Well, if Parson is being innovative in using one caster (Sizemore) as a warlord, then he will probably use another. Especially since he has only a few decaying regular warlords left to him. Oh, and way back to strip number 3:

http://www.giantitp.com/comics/erf0003.html

A full regiment- no seige, so Tool intended it for defense all the time. And that Regiment needs a Colonel...