Which slush rusher should I use?
>>30709900
checked
but none, because >hail
Ninetales does not have Slush Rush
Beartic is not in the Alola dex
>>30709900
None because hail is a shit weather.
If you REALLY want one, then Ninetails for the one-turn dual screens, and also give him light clay, not an ice rock.
Sandslash has the bulk, despite two 4x weaknesses, to pull off a more consistent Swords Dance.