Frost DK 5.4

Death Knight Archive Patch 5.0+
1 
/castsequence reset=target Howling Blast,Plague Strike,null
/castsequence [combat] reset=0.3 0,0,0,0,0,Unholy Blight
/castsequence reset=0.3 0,0,0,0,Frost Strike
/castsequence reset=0.3 0,0,0,Obliterate
/castsequence reset=0.3 0,0,Soul Reaper
/castsequence reset=0.3 0,Horn of Winter
/castsequence reset=5/target Howling Blast,Plague Strike
/cast [combat] Pillar of Frost
/cast [combat] Empower Rune Weapon
/startattack