Zarude is a Mythical Pokémon coming to Sword and Shield. Announced on Pokémon Day in 2020, Zarude is the first new Mythical announced as part of the Galar Pokédex.
EDIT: source: https://www.eurogamer.net/articles/2020-02-27-pokemon-sword-shield-zarude-mythical-how-to-get-7005
Since it is not obtainable via any other methods than events, it is a mythical Pokemon. We can assume its base stat total will be 600.