Gengar-Mega @ Gengarite  
Ability: Shadow Tag  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Will-O-Wisp  
- Taunt  
- Hex  
- Sludge Wave  

Groudon @ Red Orb  
Ability: Drought  
EVs: 248 HP / 252 SpD / 8 Spe  
Sassy Nature  
- Lava Plume  
- Roar  
- Precipice Blades  
- Stealth Rock  

Xerneas @ Choice Specs  
Ability: Fairy Aura  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Aromatherapy  
- Moonblast  
- Focus Blast  
- Thunder  

Kyogre-Primal @ Blue Orb  
Ability: Primordial Sea  
EVs: 88 HP / 252 Atk / 168 Spe  
Lonely Nature  
- Liquidation  
- Earthquake  
- Ice Beam  
- Rest  

Arceus-Ground @ Earth Plate  
Ability: Multitype  
EVs: 248 HP / 244 Def / 16 Spe  
Bold Nature  
IVs: 0 Atk  
- Judgment  
- Recover  
- Ice Beam  
- Will-O-Wisp  

Arceus-Rock @ Stone Plate  
Ability: Multitype  
EVs: 248 HP / 8 Def / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Will-O-Wisp  
- Recover  
- Judgment  
- Defog