Individual- Magic Missles without a doubt. They aren't fancy, but they do the job, especially if sequenced.
Summoned- Fire Elementals. They rock.
Group- I really like insect plague. If there are any enemy spellcasters it stops them real good, and even against fighters it keeps them pretty distracted for the level of spell it is.
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"The object of war is not to die for your country but to make the other bastard die for his."
-General George Patton (1885-1945)
