Volcarona @ Leftovers  
Ability: Swarm  
EVs: 252 SpA / 4 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Substitute  
- Quiver Dance  
- Bug Buzz  
- Flamethrower  

Tapu Koko @ Electrium Z  
Ability: Electric Surge  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 30 Atk  
- Thunderbolt  
- Hidden Power [Ice]  
- U-turn  
- Roost  

Heatran @ Leftovers  
Ability: Flash Fire  
EVs: 252 HP / 184 SpD / 72 Spe  
Calm Nature  
IVs: 0 Atk  
- Magma Storm  
- Stealth Rock  
- Taunt  
- Earth Power  

Landorus-Therian (M) @ Choice Scarf  
Ability: Intimidate  
EVs: 252 Atk / 48 Def / 208 Spe  
Jolly Nature  
- Earthquake  
- U-turn  
- Defog  
- Explosion  

Latias-Mega (F) @ Latiasite  
Ability: Levitate  
EVs: 252 HP / 4 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Ice Beam  
- Thunder Wave  
- Defog  
- Roost  

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