It probably shouldn't use Sandstorm.
The first mythical Pokémon has been revealed for Sword and Shield.
In observance of the anniversary of Pokémon's launch, a trailer was shown for a new Pokémon named Zarude. A Dark/Grass type, it has the ability Leaf Guard (immunity to status in sun) and is shown using Taunt in the trailer along with a move similar to Rillaboom's Drum Beating.
A distribution method for Zarude has not been revealed.