I Found this one Great:
Ice beam: Drake. Grass.
Brick Break/Mud SHot/Rock SLide: Rock Slide is Move Tutor, but a good move. Mud SHot Lowers Speed Nicely. Or Brick Break For Move Coverage against The Elite 4.
I think it would be:
Well this is a moveset that I have tried and it worked pretty well for me:
Surf/Muddy Water/Hydro Cannon