“A little off topic, but the Lannisters have completely screwed themselves, totally, and next episode I think we will see that bare fruit.”
What we might see in the next episode is Cersei setting off tons of wildfire bombs underneath the Sept of Baelor! They keep telegraphing that idea. They did it again tonight.
That could create the ruins where snow falls through that Danerys saw in her visions
Yep, Bran’s visions of wildfire, Tyrion telling the story about the Mad King and wildfire to Daenerys, and Daenerys’ vision in the House of the Undying where the great hall in the Red Keep was in ruins. They all seem to be foreshadowing that Cersei might want to do something with that wildfire...