Excadrill

Sand Rush doubles Speed in Sandstorm. The team's designated counter to opposing Sand weather that uses Tyranitar or Hippowdon to disrupt Rain. When opponents switch to Sand, Excadrill becomes the fastest Pokémon on the field without needing a Choice Scarf. Choice Scarf provides equivalent fast coverage under Rain. High Horsepower delivers reliable Ground STAB. Earthquake spreads Ground damage to both opponents. Iron Head provides Steel STAB for Fairy and Rock types. Rock Slide spreads chip and flinch. Adamant maxed Attack and Speed creates the team's fastest physical attacker across both Rain and Sand weather conditions.