Worst Grey Death ever!

[Blxz]

Ok, this is my current roman Campaign 230BC and the Arche Seleukeia has gone berserk.



Have driven the Makedones out of Asia Minor and are going to take Byzantion in the next few turns. I honestly don't think I can beat this faction when it comes down to it. They have massive fullstacks everywhere. Fun times.

Any tips on how I should counter this?

EDIT: Of special note around the world:
-Aedui have almost destroyed the Sweboz my allies even as I madly kill them to stop another grey death forming (worlds first green death?).
-Ptolemeys only exist as a single settlement on the red sea coast.
-Epirotes and makedones are nicely sharing greece right down the middle.
-Baktria just made the worst mistake of its history and finally broke the start of game alliance for the first time. Multiple AS fullstacks surround most Baktrian towns.... =(
-Casse didn't do anything in this game for once =P

DOUBLE EDIT: Also, thats the Carthies in Egypt not the AS....yet