Deciding on one.. I know I want 6 BOM, 6 BOV, 1 mana shield, 6 heal, which leaves 15 left...

I was thinking 6 light, 6 firestorm, 1 ice storm, 1 ice ball(w/e it's called), 1 lifesteal? I dunno.. can't decide, mages have too many good skills.

Suggestions? thanks in adv.