Defense/AI Simulator mode

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It would be nice if one day we could enter a battle (no stakes involved) and pick the exact opponent we wanted to see and how the AI would react to having to play as a certain team.

For instance, if you run with a GSBW, Thor, Hulk team it would be interesting to understand what colors/abilities take precedent when the AI is playing and how it plays.

It's hard to set up a 'defensive' team when you have no idea on how that team behaves while it's actually playing defense on your behalf.