Diancie-Mega @ Diancite  
Ability: Magic Bounce  
EVs: 84 Atk / 252 SpA / 172 Spe  
Timid Nature  
- Moonblast  
- Stealth Rock  
- Toxic  
- Diamond Storm  
Tentacruel @ Black Sludge  
Ability: Liquid Ooze  
EVs: 252 HP / 4 Def / 252 SpD  
Calm Nature  
IVs: 0 Atk  
- Rapid Spin  
- Toxic Spikes  
- Scald  
- Haze  

Groudon-Primal @ Red Orb  
Ability: Desolate Land  
EVs: 168 HP / 240 Atk / 36 SpD / 64 Spe  
Adamant Nature  
- Fire Punch  
- Precipice Blades  
- Dragon Claw  
- Rock Polish  

Yveltal @ Charti Berry  
Ability: Dark Aura  
EVs: 252 HP / 252 Def / 4 SpD  
Bold Nature  
- Foul Play  
- Roost  
- Sucker Punch  
- Toxic  

Deoxys-Attack @ Life Orb  
Ability: Pressure  
EVs: 4 Atk / 252 SpA / 252 Spe  
Rash Nature  
- Psycho Boost  
- Ice Beam  
- Extreme Speed  
- Thunder  

Arceus-Dragon @ Draco Plate  
Ability: Multitype  
EVs: 252 HP / 64 Def / 192 Spe  
Timid Nature  
IVs: 0 Atk  
- Judgment  
- Fire Blast  
- Toxic  
- Recover