Cop 9'er

Probably one of The most commonly well known setups in mafia, Cop 9'er is a basic setup consisting of one Sheriff, 6 Citizens and 2 Goons. This setup is arguably pretty balanced in regards to how much it has been tested therefore maintaining a steady 50/50 win rate.
Cop (Sheriff)
Citizen
Citizen
Citizen
Citizen
Citizen
Citizen
Goon
Goon
Variations:
A variation of this setup could be added by including a Doctor and a Consort to the setup therefore creating a larger gamble to make the game more interesting