Abom's might - 10% atk power
Horn of Winter - str/agi
Death Grip
Strangulate
Icy Talons - 20% melee haste
Howling Blast
Chillbains (hamstring)
Glyphed Heartstrike (hamstring)
Heartstrike (cleave)
Mark of Blood

A warlock brings nothing really. AoE stun would be kind of good, but a warlock in the lead is a dead warlock :P