how many times are you fighting the ai for each deck?
Well, I run 1000 simulated tests. I then took the ones that were working the best and started testing them live. You can see which I started testing on the other topic.
The simulator is at
http://elements.xenocidius.com/simulator/.
Sadly the simulator doesn't know how to play a deck, actually, so it's only good to use for testing rushing purposes.
1000 tests are quite intensive on the pc.