What I don't think that phil and blade could be mafia. Looking back at the color of the text of the mafia we have killed Nem was red and Trigger was pink. That makes there being 2 mafias there and I don't think there would be more than 2 involved. For Phil and blade to have made that claim together on day 1 they would've had to known each others role from day 1. But, considering there being 2 mafia, with what I assume is 2 people in each, they could not have been partners if they were mafia.