Frost DK macro, need help

[Hakflem]

I'm using a priority sequence with ISBoxer.
#1:

/startattack
/castsequence reset=combat Soul Reaper, Death Siphon
/cast [combat] Pillar of Frost
/cast [combat] Anti-Magic Shell
/cast [combat] 14

#2:

/castsequence reset=15/combat Plague Strike, Horn of Winter

#3:

/castsequence reset=combat/10 obliterate, obliterate, howling blast

#4:
Frost Strike

#5:
Frost Strike (just so there is slightly higher chance to use frost strike over the others when its usable)

Also have this on a 6th key:

/cast [@party1, dead, exists] [@party2, dead, exists] [@party3, dead, exists] [@party4, dead, exists] [@party5, dead, exists] Raise Ally

And Howling Blast on a separate key when i just wanna AOE stuff down.



Probably not optimal, but i do 25-30k dps at 87 and steamrolling dungeons.