Hawlucha @ Electric Seed  
Ability: Unburden  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Acrobatics  
- High Jump Kick  
- Drain Punch  
- Swords Dance  

Magearna @ Assault Vest  
Ability: Soul-Heart  
EVs: 248 HP / 8 SpA / 252 SpD  
Calm Nature  
IVs: 0 Atk  
- Flash Cannon  
- Fleur Cannon  
- Volt Switch  
- Hidden Power [Fire]  

Mamoswine @ Focus Sash  
Ability: Oblivious  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Earthquake  
- Ice Shard  
- Stealth Rock  
- Endeavor  

Jirachi @ Choice Scarf  
Ability: Serene Grace  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Iron Head  
- U-turn  
- Healing Wish  
- Fire Punch  

Latios-Mega @ Latiosite  
Ability: Levitate  
EVs: 4 Atk / 252 SpA / 252 Spe  
Naive Nature  
- Psychic  
- Draco Meteor  
- Earthquake  
- Recover  

Tapu Koko @ Electrium Z  
Ability: Electric Surge  
EVs: 252 Atk / 4 SpA / 252 Spe  
Naive Nature  
- Wild Charge  
- Hidden Power [Ice]  
- Defog  
- U-turn