So I have three trinkets, Theralion's Mirror, Bell of Enraging Resonance, and Witching Hourglass.
I can't decide which to use, at least until 4.0.6 (mastery gets a buff and enraging resonance gets changed to *any spell*).

Please help!

Armory : us.battle.net/wow/en/character/blackrock/ibprofin/simple

simcraft:

Int Spi SP Hit Crit Haste Mastery
Scale Factors 1.9685 0.7348 1.2875 0.7381 0.8350 0.5652 0.4567
Normalized 1.0000 0.3733 0.6540 0.3749 0.4241 0.2871 0.2320