Aggron-Mega @ Aggronite  
Ability: Rock Head  
EVs: 252 HP / 8 Atk / 248 SpD  
Careful Nature  
- Stealth Rock  
- Heavy Slam  
- Fire Punch  
- Toxic  

Latias (F) @ Dragonium Z  
Ability: Levitate  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Calm Mind  
- Draco Meteor  
- Psyshock  
- Roost  

Bisharp @ Assault Vest  
Ability: Defiant  
EVs: 188 HP / 232 Atk / 88 SpD  
Adamant Nature  
- Knock Off  
- Sucker Punch  
- Pursuit  
- Iron Head  

Chesnaught @ Leftovers  
Ability: Bulletproof  
EVs: 252 HP / 72 Def / 184 Spe  
Impish Nature  
- Spikes  
- Drain Punch  
- Taunt  
- Leech Seed  

Primarina @ Leftovers  
Ability: Torrent  
EVs: 252 HP / 252 Def / 4 SpD  
Bold Nature  
IVs: 0 Atk  
- Scald  
- Moonblast  
- Rest  
- Sleep Talk  

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