Zygarde @ Leftovers  
Ability: Aura Break  
EVs: 252 HP / 252 Atk  
Adamant Nature  
- Thousand Arrows  
- Coil  
- Extreme Speed  
- Outrage  

Heatran @ Leftovers  
Ability: Flash Fire  
EVs: 116 HP / 232 SpA / 160 Spe  
Modest Nature  
IVs: 0 Atk  
- Stealth Rock  
- Toxic  
- Magma Storm  
- Earth Power  

Rillaboom @ Choice Band  
Ability: Grassy Surge  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Grassy Glide  
- Earthquake  
- U-turn  
- Knock Off  

Dragonite @ Weakness Policy  
Ability: Multiscale  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Dragon Dance  
- Dragon Claw  
- Waterfall  
- Extreme Speed  

Tornadus-Therian @ Rocky Helmet  
Ability: Regenerator  
EVs: 252 HP / 4 Def / 252 Spe  
Timid Nature  
- Hurricane  
- Knock Off  
- U-turn  
- Defog  

Magearna @ Assault Vest  
Ability: Soul-Heart  
EVs: 248 HP / 36 SpA / 224 SpD  
Calm Nature  
IVs: 0 Atk  
- Volt Switch  
- Fleur Cannon  
- Focus Blast  
- Flash Cannon