Disclaimer: I have not actually tested this due to the fact that there is no version of Embers of Rage for 1.7. However, I am reasonably certain that this bug will occur based on the behavior of Mirror Image with Thaumaturgist and my quick glance at Technomancer code.
As far as I can tell, Mirror Image will be unable to copy any technomancy spells due to them requiring an arcane dynamo to use - a talent that the Mirror Image does not have.
Bug Prediction: Mirror Image and Technomancy
Moderator: Moderator
Bug Prediction: Mirror Image and Technomancy
Breaking Projection since 1.5
Re: Bug Prediction: Mirror Image and Technomancy
indeed 
[tome] joylove: You can't just release an expansion like one would release a Kraken XD
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[tome] phantomfrettchen: your ability not to tease anyone is simply stunning
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[tome] phantomfrettchen: your ability not to tease anyone is simply stunning