Excadrill, The Sand Stream Assassin V. 1.0

Excadrill (M) @ Leftovers
Ability: Sand Rush
EVs: 252 Atk / 4 SpD / 252 Spe
Adamant Nature
- Swords Dance
- Earthquake
- Iron Head
- Rapid Spin

Tyranitar (M) @ Assault Vest
Ability: Sand Stream
EVs: 224 HP / 32 Atk / 252 SpD
Careful Nature
- Rock Slide
- Crunch
- Earthquake
- Pursuit

Tangrowth (M) @ Rocky Helmet
Ability: Regenerator
EVs: 248 HP / 216 Def / 44 SpD
Relaxed Nature
IVs: 0 Atk
- Sleep Powder
- Giga Drain
- Sludge Bomb
- Hidden Power [Ice]

Garchomp-Mega (F) @ Garchompite
Ability: Rough Skin
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Stealth Rock
- Earthquake
- Stone Edge
- Swords Dance

Toxapex (F) @ Black Sludge
Ability: Regenerator
EVs: 252 HP / 4 Def / 252 SpD
Calm Nature
IVs: 0 Atk
- Scald
- Haze
- Recover
- Toxic

Magearna @ Fairium Z
Ability: Soul-Heart
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Shift Gear
- Fleur Cannon
- Focus Blast
- Thunderbolt