My opinion is that 25 nature gems is not cheap, certainly not to field them in numbers and include any nature gem forging you may want to do.
But the strategy is advised in
this page so what do I know?
The turmoil/luck choice is clearly a winner for the amount of free-spawn crazy ladies you will get, and they will die in their droves and be replaced almost as quick.
Depending upon if you play vanilla or CBM you might like to think about kitting out your pretender to cast Carrion Woods. CBM makes it castable on turn 1 and it can be pretty fun. Off the top of my head this means D6 and read
this guide for more information, its a LA Pan guide but still worth a read.