I made this team around M. Swampert. Use this on the ladder for 30-40 mins and you'll know what those EVs do.
Hope you like it. (Better would be Hope you see this)
https://pokepast.es/09ebda7d333f0978
Hope you like it. (Better would be Hope you see this)
https://pokepast.es/09ebda7d333f0978