My favorite strategy is lowering their stats and then using whirlpool or firespin, and then something more powerful.
I hardly ever think up a strategy until I am in battle. I don't know why...I just like the uncertian feeling of winging it sometimes. I usually think up one as I go along.
Pleaase use the sticky'd PokeDaily Spam for these kind of threads.
Ice Punch over and over it a great attack!!