Marowak-Alola @ Thick Club  
Ability: Rock Head  
EVs: 244 HP / 252 Atk / 8 SpD / 4 Spe  
Brave Nature  
- Poltergeist  
- Earthquake  
- Flare Blitz  
- Swords Dance  

Volcanion @ Leftovers  
Ability: Water Absorb  
EVs: 252 HP / 4 Def / 252 SpA  
Modest Nature  
IVs: 0 Atk  
- Sludge Bomb  
- Flamethrower  
- Steam Eruption  
- Substitute  

Hatterene (F) @ Psychium Z  
Ability: Magic Bounce  
EVs: 248 HP / 252 SpA / 8 SpD  
Quiet Nature  
IVs: 0 Atk / 0 Spe  
- Psyshock  
- Trick Room  
- Mystical Fire  
- Draining Kiss  

Heracross-Mega @ Heracronite  
Ability: Moxie  
EVs: 252 HP / 252 Atk / 4 SpD  
Brave Nature  
- Swords Dance  
- Rock Blast  
- Pin Missile  
- Close Combat  

Latios (M) @ Choice Specs  
Ability: Levitate  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Psychic  
- Draco Meteor  
- Mystical Fire  
- Defog  

Mamoswine @ Assault Vest  
Ability: Thick Fat  
EVs: 112 HP / 216 Atk / 16 Def / 64 SpD / 100 Spe  
Adamant Nature  
- Icicle Crash  
- Ice Shard  
- Earthquake  
- Knock Off