Tapu Koko @ Light Clay  
Ability: Electric Surge  
EVs: 248 HP / 8 SpD / 252 Spe  
Jolly Nature  
- Reflect  
- Light Screen  
- U-turn  
- Taunt  

Serperior @ Leftovers  
Ability: Contrary  
EVs: 112 HP / 144 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Leaf Storm  
- Glare  
- Substitute  
- Leech Seed  

Gyarados @ Flyinium Z  
Ability: Moxie  
EVs: 48 HP / 248 Atk / 212 Spe  
Jolly Nature  
- Dragon Dance  
- Waterfall  
- Bounce  
- Substitute  

Landorus-Therian (M) @ Iapapa Berry  
Ability: Intimidate  
EVs: 248 HP / 240 Def / 12 SpD / 8 Spe  
Impish Nature  
- Stealth Rock  
- Earthquake  
- Defog  
- U-turn  

Magearna @ Iapapa Berry  
Ability: Soul-Heart  
EVs: 248 HP / 72 Def / 136 SpA / 52 Spe  
Modest Nature  
IVs: 0 Atk  
- Calm Mind  
- Fleur Cannon  
- Focus Blast  
- Thunderbolt  

Tyranitar-Mega @ Tyranitarite  
Ability: Sand Stream  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Dragon Dance  
- Substitute  
- Stone Edge  
- Earthquake