In what tactics is Pokémon Kresselia's Crescent Moon Dance useful?

The team has anomalous state or on the field stepped on the rock nail will hang the blood of the pm can be a life to change over, but Cresselia's defense is also very good to say that coupled with the halving of the reflective wall of light is very difficult to hit this, basically will not be matched with the move, on the contrary, the three sacred mushrooms of the healing wish more commonly used, after all, the Cresselia's speed is not high, there is a possibility of not using out, the other side of a bad wave, hit the drop a class to be killed! The first thing you need to do is to get rid of the problem.