Well I think Daenerys stans can rejoice that Cersei doing everything she did and living into Season 7 basically confirms that the popular fan theory of Daenerys 
becoming the Mad Queen is not happening. 1) It would be completely reductive since I doubt they'll kill Cersei off until potentially late in S7, and we've only got two seasons left. 2) I think Daenerys will come face to face with Cersei, as a mirror image of what she could become. The writers will probably use that symbolism of the "dark counterpart" to ensure that Dany stays on the light side.
One of the only things that legitimately irked me in this episode (besides the LF-Sansa stuff) was Jon banishing Mel... Like, bitch, you oughtta be thankful that you're still drawing breath due to her magic 

 Lowkey hate him for that, tho I guess if he kept her one could make the argument that he'd be no better than Stannis... Like, didn't Jon basically murder Olly too? (granted that was 100% deserved unlike poor sweet Shireen 

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					Originally posted by Shakira Stan  "Maggy: Aye. Queen you shall be... until there comes another, younger and more beautiful, to cast you down and take all that you hold dear."
 
Maggy wasn't talking about Margery. She was talking about Daenerys.
 
Dany will sit on the Iron Throne and kill Cersei.
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 Interesting how I (or I guess all of us) assumed "Queen you shall be" meant Queen-Consort or Dowager Queen. For whatever reason, I just kinda took for granted Dany would be the only real queen of Westeros... Even tho Cersei's title is largely symbolic, she won't have the power Robert or Joffrey had considering the North is separate again, and Cersei doesn't have the allegiance of any of the major southern houses 

 All she really has are the remnants of King's Landing & Casterly Rock, with it's depleted gold mines.