Arya being the one to do it was awesome, I always thought it would be Jon. Nice twist! I was a little surprised that they didn't kill off more characters TBH because, well, this is GOT!
My sad moment of the episode was the House Mormont deaths
Both Lyanna and Jorah were given great deaths worthy of their characters. The Lyanna one especially got me
You might be right Megs, it could very well be Arya who gets Cersei too!