Pretty much except I would use deep freeze afterwards since you would then have your trinket buff up as well. I have my trinket bound to a macro that uses it then alter time. You get to use 4x FoF procs and 2x Brain freeze procs all in a row which if the enemy isn't very good or isn't paying attention will drop them pretty quick.
Keep in mind I'm a very casual pvp'er and I'm only really explaining how some frost mages would do it.
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Armory
This is just a troll thread
Op, would you mind posting your armory link? Unless you are really bad geared, you are standing still in the middle of the arena, or your partner is completely useless at ccing, no class should ever kill you that fast.