Terrakion @ Metronome  
Ability: Justified  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Diamond Storm  
- Thunderous Kick  
- Earthquake  
- Swords Dance  

Magearna @ Leftovers  
Ability: Soul-Heart  
EVs: 252 HP / 62 Def / 194 SpD  
Sassy Nature  
IVs: 0 Atk  
- Doom Desire  
- Moonblast  
- Moonlight  
- Volt Switch  

Thundurus-Therian (M) @ Heavy-Duty Boots  
Ability: Volt Absorb  
EVs: 4 Def / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Nasty Plot  
- Thunder Cage  
- Aeroblast  
- Roost  

Corviknight @ Rocky Helmet  
Ability: Pressure  
EVs: 248 HP / 252 Def / 8 Spe  
Impish Nature  
- Anchor Shot  
- Taunt  
- Roost  
- Defog  

Seismitoad @ Leftovers  
Ability: Water Absorb  
EVs: 252 HP / 200 Def / 56 SpD  
Relaxed Nature  
IVs: 0 Spe  
- Spikes  
- Flip Turn  
- Shore Up  
- Thousand Waves  

Tyranitar @ Heavy-Duty Boots  
Ability: Sand Stream  
EVs: 252 HP / 4 Atk / 252 SpD  
Sassy Nature  
- Stealth Rock  
- Diamond Storm  
- Knock Off  
- Shore Up