Weezing @ Black Sludge  
Ability: Levitate  
EVs: 248 HP / 136 Def / 124 Spe  
Bold Nature  
IVs: 0 Atk  
- Toxic Spikes  
- Pain Split  
- Flamethrower  
- Sludge Bomb  

Heatran @ Steelium Z  
Ability: Flash Fire  
EVs: 4 Def / 252 SpA / 252 Spe  
Modest Nature  
- Magma Storm  
- Earth Power  
- Flash Cannon  
- Stealth Rock  

Tangrowth @ Assault Vest  
Ability: Regenerator  
EVs: 252 HP / 12 Def / 244 SpD  
Sassy Nature  
- Giga Drain  
- Knock Off  
- Hidden Power [Ice]  
- Earthquake  

Greninja-Ash (M) @ Choice Specs  
Ability: Battle Bond  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
- Hydro Pump  
- Water Shuriken  
- Dark Pulse  
- Spikes  

Latios-Mega (M) @ Latiosite  
Ability: Levitate  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Recover  
- Defog  
- Surf  
- Psychic  

Tapu Koko @ Choice Scarf  
Ability: Electric Surge  
EVs: 252 Atk / 4 SpA / 252 Spe  
Hasty Nature  
- Wild Charge  
- U-turn  
- Brave Bird  
- Hidden Power [Ice]