Originally Posted by
Zyffyr
Neither of your trinkets are particularly good.
Shard of the Crystal Heart : Roughly 2/3 of the Hit rating is being wasted (all of it is wasted in Heroics and raids that have the Hit debuff available), leaving only the Use to help you.
Talisman of Resurgence : The Int doesn't do a whole lot for you other than the small amount of Crit it provides - the Mana is nearly meaningless at this gear level. So again, the Use is the only real benefit from this item.
At a minimum, replace one with an Abyssal Rune from normal ToC5.