Excadrill

Excadrill is built to abuse sand right alongside Houndstone, running a maxed Adamant Attack and Speed spread behind Focus Sash so it survives to move first regardless of who leads. Earthquake is deliberately safe next to the team's Flying-type Staraptor, and Iron Head adds coverage that catches Charizard when Rock Slide alone would not finish the job. Running double Sand Rush with Houndstone is the entire point of the archetype: once Tyranitar or Rotom-Wash has set the position up, Excadrill only needs one turn under sand to outrun the field and clean up the rest of the game.