The new Last Whisper will push thresh out of the support spotlight for awhile.
Good.
Good.
Much like Yasuo did... oh wait
He'll find a way to stay in it. Somehow.
Even if Thresh did 0 damage and wasn't tanky, he'd still see play at high elos due to his utility alone.
Calling it now: Thresh Passive:Damnation NEW:Wait? He's a ghost. How does he wear it? Now adds base armor instead of bonus.
Can't have the poster boy for supports be a bad pick now can we?