I've been using the following with very satisfactory results:
Code:
/castsequence reset=combat Curse of the Elements,null
/castsequence reset=combat/target Immolate,Incinerate,Incinerate,Incinerate,Incinerate,Incinerate,Life Tap(Rank 1)
/castrandom Chaos Bolt,Conflagrate
/petattack [harm,exists,nodead]