Deoxys-Attack @ Life Orb  
Ability: Pressure  
EVs: 4 Atk / 252 SpA / 252 Spe  
Rash Nature  
IVs: 29 HP  
- Psycho Boost  
- Ice Beam  
- Superpower  
- Extreme Speed / Dark Pulse  

Klefki @ Leftovers  
Ability: Prankster  
EVs: 252 HP / 4 Def / 252 SpD  
Careful Nature  
- Spikes  
- Thunder Wave  
- Play Rough  
- Toxic  

Groudon-Primal @ Red Orb  
Ability: Desolate Land  
EVs: 8 HP / 152 Atk / 96 SpD / 252 Spe  
Jolly Nature  
- Stealth Rock  
- Swords Dance  
- Precipice Blades  
- Stone Edge  

Ditto @ Choice Scarf  
Ability: Imposter  
EVs: 248 HP / 8 Atk / 252 Def  
Relaxed Nature  
IVs: 0 Spe  
- Transform  

Yveltal @ Charti Berry  
Ability: Dark Aura  
EVs: 248 HP / 180 Def / 80 Spe  
Bold Nature  
IVs: 0 Atk  
- Foul Play  
- Toxic  
- Taunt  
- Roost  

Arceus-Water @ Splash Plate  
Ability: Multitype  
EVs: 252 HP / 136 Def / 24 SpD / 96 Spe  
Timid Nature  
IVs: 0 Atk  
- Toxic  
- Ice Beam  
- Recover  
- Refresh