I've had a long-standing rule to avoid getting involved in any sort of crowdfunded activities. I didn't donate to Shadowrun or Wasteland, but I did buy and enjoy both of them (I'm plugging both of those games right now, just so you know they're good). I haven't...
If you can, move your units to safety after they've attacked.
Remember to build spirit walls to keep your commander safe.
If you're stood near the edge of a cliff, it might be best to move or you could end up pushed off.