Zygarde @ Steelium Z  
Ability: Aura Break  
EVs: 4 HP / 252 Atk / 252 Spe  
Adamant Nature  
- Thousand Arrows  
- Iron Tail  
- Extreme Speed  
- Dragon Dance  

Gyarados-Mega @ Gyaradosite  
Ability: Intimidate  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Dragon Dance  
- Crunch  
- Waterfall  
- Taunt  

Heatran @ Leftovers  
Ability: Flash Fire  
EVs: 252 HP / 4 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Magma Storm  
- Earth Power  
- Taunt  
- Stealth Rock  

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

Hawlucha @ Electric Seed  
Ability: Unburden  
EVs: 152 HP / 252 Atk / 8 SpD / 96 Spe  
Adamant Nature  
- Acrobatics  
- Swords Dance  
- High Jump Kick  
- Roost  

Kartana @ Choice Scarf  
Ability: Beast Boost  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Defog  
- Knock Off  
- Leaf Blade  
- Sacred Sword