What do when Ivern sends Tryndamere into your carry?
He's kind of scary if he closes the gap, especially if he can save spin for your gap opener
He's kind of scary if he closes the gap, especially if he can save spin for your gap opener
Epic, maybe I should be a Trynd main again o,o
CC
or use some other peel?
How about a 
with

while holding onto his third Q. yeah. good luck with that buddy
They die.
In all seriousness, you just hope to CC him before he kills them. The dash is too problematic imo. Breaks too many weaknesses off champions.
Watch them die
The counterplay is to either dodge the skillshot in the first place so they aren't rooted and can't be dashed to, OR CC all targets that follow up on the root.