tsubaki
Player Valuation: £90m
Didn't julius ceasar (or similar) purge the senate? Loyalty rewarded, stand against and you're done for. There's no control like total.
Famously he left his enemies alive, as they were able to kill him afterwards.
The Roman republican leaders who purged the upper classes of their time (in the proscriptions) were Sulla and then the second triumvirate of Octavian, Mark Antony and Lepidus.