Azorius Senate
The Azorius Senate is a guild from Ravnica and featured in Dissension. They are the guild themed of the colors of blue and white. In the city, their purpose is to create laws and ensure that everyone abides by them. Members of the Boros Legion are, in general, under their indirect control as their ranks include the League of Wojek, whose job it is to police Ravnica and enforce the laws. The guild is presently presided over by the human lawmage, Grand Arbiter Augustin IV.
technically the ruling government of Ravnica. Not that the citizens care.