Sceptile @ Electric Seed  
Ability: Unburden  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Swords Dance  
- Earthquake  
- Leaf Blade  
- Thunder Punch  

Tapu Koko @ Choice Specs  
Ability: Electric Surge  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
- Thunderbolt  
- U-turn  
- Hidden Power [Ice]  
- Dazzling Gleam  

Latias-Mega @ Latiasite  
Ability: Levitate  
EVs: 248 HP / 8 Def / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Calm Mind  
- Recover  
- Thunderbolt  
- Stored Power  

Blacephalon @ Firium Z  
Ability: Beast Boost  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Substitute  
- Fire Blast  
- Shadow Ball  
- Calm Mind  

Landorus-Therian @ Leftovers  
Ability: Intimidate  
EVs: 252 HP / 196 Def / 60 SpD  
Impish Nature  
- Defog  
- Stealth Rock  
- Earthquake  
- Hidden Power [Ice]  

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