http://bugs.winehq.org/show_bug.cgi?id=30995
--- Comment #12 from Dan Kegel dank@kegel.com 2012-06-25 01:15:17 CDT --- That command has two problems: winedebug should be WINEDEBUG, and it has to be in the environment. So:
env WINEDEBUG=+msvcp90,+tid WINEPREFIX="/home/papusone/.wine" wine C:\windows\command\start.exe steam://rungameid/8930 &> /tmp/civ5.log