Salamence-Mega @ Salamencite  
Ability: Aerilate  
EVs: 112 HP / 144 Atk / 252 Spe  
Jolly Nature  
- Draco Meteor  
- Defog  
- Double-Edge  
- Roost  

Lunala @ Electrium Z  
Ability: Shadow Shield  
EVs: 56 HP / 252 SpA / 200 Spe  
Modest Nature  
IVs: 0 Atk  
- Moonblast  
- Moongeist Beam  
- Roost  
- Thunder  

Groudon @ Red Orb  
Ability: Drought  
EVs: 252 HP / 56 Def / 200 SpD  
Relaxed Nature  
- Stealth Rock  
- Toxic  
- Precipice Blades  
- Overheat  

Celesteela @ Leftovers  
Ability: Beast Boost  
EVs: 252 HP / 4 Atk / 252 Def  
Impish Nature  
- Leech Seed  
- Toxic  
- Substitute  
- Flame Charge  

Arceus-Ground @ Earth Plate  
Ability: Multitype  
EVs: 4 HP / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Calm Mind  
- Judgment  
- Ice Beam  
- Recover  

Xerneas @ Leftovers  
Ability: Fairy Aura  
EVs: 252 HP / 252 Def / 4 SpD  
Bold Nature  
IVs: 0 Atk  
- Rest  
- Defog  
- Moonblast  
- Aromatherapy