Hippowdon @ Rocky Helmet  
Ability: Sand Stream  
EVs: 252 HP / 80 Def / 176 SpD  
Impish Nature  
- Toxic  
- Stealth Rock  
- Earthquake  
- Slack Off  

Volcanion @ Fightinium Z  
Ability: Water Absorb  
EVs: 176 Atk / 80 SpA / 252 Spe  
Rash Nature  
- Steam Eruption  
- Flamethrower  
- Sludge Bomb  
- Superpower  

Nihilego @ Choice Scarf  
Ability: Beast Boost  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Hidden Power [Ice]  
- Grass Knot  
- Thunderbolt  
- Sludge Wave  

Scizor @ Choice Band  
Ability: Technician  
EVs: 80 HP / 252 Atk / 176 Spe  
Adamant Nature  
- U-turn  
- Pursuit  
- Bullet Punch  
- Superpower  

Altaria-Mega @ Altarianite  
Ability: Pixilate  
EVs: 252 HP / 120 Def / 136 Spe  
Impish Nature  
- Body Slam  
- Defog  
- Roost  
- Flamethrower  

Latias (F) @ Choice Specs  
Ability: Levitate  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Healing Wish  
- Surf  
- Trick  
- Draco Meteor