I set my husband's UH DK up with a 4 step macro

Code:
/castsequence reset=target/3 Icy Touch, Plague Strike, Festering Strike, Scourge Strike, null
/cast Dark Transformation
/petattack
Code:
/cast Festering Strike
Code:
/cast Scourge Strike
Code:
/cast Death Coil
I don't need HoW because I have an ENH shammie providing Str+Agi through Strength of Earth Totem. Festering Strike increases his disease duration, so that never seems to drop. DnD is dropped manually when he thinks of it, but his DPS without it still outpaces all my DPS.