if ur mod arnt working then paste the following in the Key press window in game.
/castsequence [mod:alt,nochanneling] Chaos Nova
/cast [mod:Shift,@player,combat] Metamorphosis
/cast [mod:ctrl] Consume Magic
also make sure u delete Chaos Nova from the cast string in the Sequence window. and any other dps loss abilitys I.E Throw glaves chaos nova Blur.