Features of Reasonable Roles:
- no broken roles (warlock, zombie)
- no roles defeating the purpose of mafia (anarchist)
- no roles that disrupt the 7-3-2 balance greatly (turncoat, mastermind)
- town nonunique roles (allows for ccing, more fun)
- mafia and third party unique (prevent double yak or 2 cult start)
- four sanity cop so maf can stop being fucked over by guaranteed useful cops.