I'm interested to know as well.
Bye the way, will there be a pre order for Rebellion like the other extensions? Even if i play few now, i'm still following the game and i didn't see any mention of it since a while.
I think to have one of the wave 3 card:
Honestly there's a flaw in the design here: If the overcharge require an OoS card, why didn't you make it dual or hybrid with an OoS purity? It would have made sense.