Hawlucha @ Electric Seed  
Ability: Unburden  
EVs: 96 HP / 252 Atk / 36 SpD / 124 Spe  
Adamant Nature  
- High Jump Kick  
- Acrobatics  
- Stone Edge  
- Swords Dance  

Charizard-Mega-X @ Charizardite X  
Ability: Tough Claws  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Flare Blitz  
- Earthquake  
- Dragon Dance  
- Roost  

Landorus-Therian @ Focus Sash  
Ability: Intimidate  
EVs: 252 Atk / 4 Def / 252 Spe  
Jolly Nature  
- Explosion  
- Rock Tomb  
- Imprison  
- Stealth Rock  

Magearna @ Fightinium Z  
Ability: Soul-Heart  
EVs: 4 HP / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Focus Blast  
- Ice Beam  
- Thunderbolt  
- Shift Gear  

Tapu Koko @ Light Clay  
Ability: Electric Surge  
EVs: 168 HP / 88 Atk / 252 Spe  
Jolly Nature  
- Wild Charge  
- U-turn  
- Light Screen  
- Reflect  

Serperior @ Leftovers  
Ability: Contrary  
EVs: 100 HP / 156 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Leaf Storm  
- Glare  
- Hidden Power [Fire]  
- Substitute