Deoxys-Speed @ Leftovers  
Ability: Pressure  
EVs: 252 HP / 228 Def / 28 Spe  
Timid Nature  
IVs: 0 Atk  
- Psychic  
- Taunt  
- Calm Mind  
- Recover  

Arceus @ Chople Berry  
Ability: Multitype  
EVs: 252 HP / 252 Def / 4 SpD  
Calm Nature  
IVs: 0 Atk  
- Perish Song  
- Protect  
- Whirlpool  
- Recover  

Aegislash @ Leftovers  
Ability: Stance Change  
EVs: 252 HP / 4 Atk / 252 SpD  
Careful Nature  
- King's Shield  
- Shadow Claw  
- Iron Head  
- Toxic  

Groudon-Primal @ Red Orb  
Ability: Desolate Land  
EVs: 252 HP / 4 Atk / 252 Def  
Relaxed Nature  
- Precipice Blades  
- Thunder Wave  
- Stealth Rock  
- Lava Plume  

Xerneas @ Power Herb  
Ability: Fairy Aura  
EVs: 216 HP / 252 SpA / 40 Spe  
Timid Nature  
IVs: 0 Atk  
- Moonblast  
- Hidden Power [Fire]  
- Aromatherapy  
- Geomancy  

Tornadus-Therian @ Choice Band  
Ability: Regenerator  
EVs: 252 Atk / 4 SpA / 252 Spe  
Hasty Nature  
- U-turn  
- Defog  
- Superpower  
- Aerial Ace