1st off, unless you have 6% hit on your anub add set (which you shouldn't, btw) not only should you not be having threat problems in the first place, but a missed taunt in phase 3 is a wipe, period. There's no reason to use vigilance glyph.
Originally Posted by Vilge
2nd, Beasts: it's nice to have cooldowns back up for icehowl too, I've frequently found myself completely out of cooldowns on this fight in heroic. The glyphs are amazing. I would argue that actually ulduar had less need for them.
3rd, Jaraxxus, I agree he hits like a little kitten, but you can find yourself between a rock and a hard place if things start to go bad, but why would you need threat glyphs on this fight. Imo err on the side of caution and get survivability glpyhs.
4th, FC: I agree you don't usually need cooldowns on this fight, but it is very nice if you get CC'd, and again, threat glyphs here? wut? they don't even have standard threat tables
5th, Twins: In our strategy tanks don't move, so having 2 min shield wall for the opposite color vortex is close to necessary.
6th, Anub add tanking glyphs = cleave, blocking, taunt.
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