Perhaps it could be a team linked to AG Systems, a B-team or something.
On another subject, perhaps Scotland could have an AG team. After all, it seems that they may split from the UK, so an interesting backstory between them and Icaras may be an idea.
One from somewhere like Bahrain, Dubai or Saudi Arabia, countries that have got rich on oil, might also be good. Bahrain after all already has some form of motorsport heritage, Saudi Arabia is rich, and Dubai is very rich. I know the area already has a team (Mirage), but there are at least two teams from Russia (Qirex and Tigron) and nobody seems to have a problem with that. There are two/three teams from Germany (depending firstly on whether you count Puma, and secondly whether you count them as two teams). Asia also has at least three teams, so one more from the Middle East surely isn't too much to expect.