Changing the Maddux is a difficult as changing the weather. And like the storm on the horizon, all one can do when Maddux sings is to prepare yourself as best you can.
Ecopoiesis is the creation of a stable, enduring ecosystem, and is the last stage of a terraforming process. It’s achieved through a series of successive ecological changes which depends on available resources and the initial environmental conditions.
Following a discussion we had on the site, I thought we could start up a thread to post the pre- and post-apocalyptic effects of a comet/minor planetary impact on a campaign world.
Magic should have side effects, both expected and unexpected - fortuitous and deplorable. Expected side effects add anticipation, while unexpected ones increase the drama of the scene. The result can be comedic or dire, it dpends on which circumstances work best for your game.