YOu find this in the game:

http://subirimagen.me/uploads/20181130134503.png

And in the next 2 sentences, Meve talks about the banner and that someone can make a saga of it

Yeah, CDP always weaves in lots of references in all their games. Another big one is about Hearthstone.

It's probably really hard to spot all of them, unless someone is a total triva champ.