Okay Wotter, let's give it our best attack here. Start with a Rock Slide, then use Waterfall, and finish with a Counter.
Summary: Rock Slide--->Waterfall--->Counter
If there is no water in this arena (I think there is), then replace Waterfall with Dig.
Summary: Rock Slide--->Waterfall--->Counter
If there is no water in this arena (I think there is), then replace Waterfall with Dig.