Well, if Dany has all those ships, Euron is unnecessary.But there is a open husband/political alliance spot in Kings Landing with Cersi, especially if Jamie decides its time to GTFO or Cersi decides she needs cover for her to try to have another kid with Jamie.

I really just lurk but I kinda just want to throw this theory out there; There won't be a CleganeBowl, because newly maybe newly converted Tommen will be the second in the trial by combat, feeling like it is his religious duty now?