Many people are speculating that Phyrexians will show up in some capacity in Aether Revolt.
I’m still kind of hoping not, just because I’m enjoying the “smaller” story of Kaladesh. Going from Eldrazi to Phyrexians to Nicol Bolas (in Amonkhet) just seems so exhausting!
But I do think it might be heading that way for this reason:
I’ve been playing the Puzzle Quest Magic: The Gathering game on my phone. It came out late last fall I think. It started with the cards and Planeswalkers from Origins. Eventually, new Planeswalkers were added, such as Kiora, or Gideon, Ally of Zendikar. Logical editions as BfZ and Oath came out.
But here are a few other available Planeswalkers: Tezzert, Ajani, and Koth. Tezzert and Ajani, of course, have since shown up. Will Koth make an appearance in the story line? That further suggests the involvement of Phyrexians.
Of course, there have been a few other Planewalkers in the game who haven’t shown up yet, such as Garruk Wildspeaker (not Veil-Cursed).