Tapu Koko @ Shuca Berry  
Ability: Electric Surge  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Volt Switch  
- Hidden Power [Ice]  
- Thunderbolt  
- Roost  

Latios-Mega @ Latiosite  
Ability: Levitate  
EVs: 4 Atk / 252 SpA / 252 Spe  
Hasty Nature  
- Roost  
- Ice Beam  
- Earthquake  
- Psychic  

Magearna @ Fairium Z  
Ability: Soul-Heart  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Shift Gear  
- Hidden Power [Fire]  
- Fleur Cannon  
- Thunderbolt  

Landorus-Therian @ Rocky Helmet  
Ability: Intimidate  
EVs: 248 HP / 116 Def / 144 Spe  
Jolly Nature  
- Stealth Rock  
- U-turn  
- Earthquake  
- Hidden Power [Ice]  

Tyranitar @ Choice Band  
Ability: Sand Stream  
EVs: 216 HP / 252 Atk / 40 Spe  
Adamant Nature  
- Pursuit  
- Crunch  
- Stone Edge  
- Fire Punch  

Ferrothorn @ Leftovers  
Ability: Iron Barbs  
EVs: 248 HP / 44 Def / 216 SpD  
Sassy Nature  
IVs: 0 Spe  
- Spikes  
- Leech Seed  
- Power Whip  
- Gyro Ball