I don't know if it's just me, but the trinket doesn't proc Greatness. I'm not sure if it has something to do with it being "Use: (description)" rather than "Equip: (description)" (as compared to DMC: Greatness).
That bug aside, I think the changes didn't make the trinket any more useful than last time. It just became accessible to healers and tanks, but still nothing special. Especially since to melee DPS, it's nothing more than a Darkmoon Card with Expertise (good but not a necessity), and without the stats.
I understand the caution by not making it too OP, but right now it's just not worth anything. It'll stay in stuck in my bag, outshined by simple trinkets better than it and are over 9000 GS lower.
In my opinion, its a good decision to make the event trinket accessible to tanks and healers, but putting everything in one trinket wouldn't do it.
Or if you still want to do it, make it a plain DMC: Greatness without the raw stats and a 540 stat proc (300 from original proc + 90 from original raw stats given + 150 since its an "upgrade"). With this, at least you can be sure it'll be an upgrade.
Also, thanks for the updates on Exile
