Icosahedral Planeswalk (The Bakery)
Derived from:
Random Plane (Planescape)
The Prime Material Plane: Ravnica
Izzet League
Trying to impress the guildmaster, a mage from the Laboratory of Storms and Electricity creates a device that pushes the weather from one extreme to another.
The case is being handled by men of the church
who are keen on solving it
and are scared to share details.
A less-reputable local paper writes about
a connection to that deep rumble, that you might hear coming from below the surface of the paved roads from time to time.