Tyranitar @ Choice Band  
Ability: Sand Stream  
EVs: 252 HP / 252 Atk / 4 SpD  
Adamant Nature  
- Fire Punch  
- Earthquake  
- Stone Edge  
- Pursuit  

Terrakion @ Life Orb  
Ability: Justified  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Close Combat  
- Iron Head  
- Stone Edge  
- Zen Headbutt  

Nihilego @ Choice Scarf  
Ability: Beast Boost  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Power Gem  
- Sludge Wave  
- Thunderbolt  
- Grass Knot  

Archeops @ Choice Scarf  
Ability: Defeatist  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Earthquake  
- Stone Edge  
- Knock Off  
- Defog  

Diancie-Mega @ Diancite  
Ability: Magic Bounce  
EVs: 4 Atk / 252 SpA / 252 Spe  
Hasty Nature  
- Diamond Storm  
- Moonblast  
- Earth Power  
- Heal Bell  

Omastar @ Focus Sash  
Ability: Weak Armor  
EVs: 252 SpA / 4 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Earth Power
- Hydro Pump  
- Stealth Rock
- Shell Smash