Mewtwo-Mega-X @ Choice Band  
Ability: Adaptability  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Lonely Nature  
- Close Combat  
- Photon Geyser  
- Triple Axel  
- Rapid Spin  

Solgaleo @ Leftovers  
Ability: Fur Coat  
EVs: 252 HP / 4 Atk / 252 Def / 252 SpD  
Careful Nature  
- Stealth Rock  
- Anchor Shot  
- Will-O-Wisp  
- Shore Up  

Beedrill-Mega @ Choice Band  
Ability: Tough Claws  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Jolly Nature  
- U-turn  
- Spectral Thief  
- V-create  
- Triple Axel  

Deoxys-Attack @ Life Orb  
Ability: Magic Guard  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Psycho Boost  
- Mind Blown  
- Light of Ruin  
- Tail Glow  

Giratina @ Leftovers  
Ability: Prankster  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD  
Sassy Nature  
IVs: 0 Spe  
- Strength Sap  
- Haze  
- Core Enforcer  
- U-turn  

Arceus-Steel @ Leftovers  
Ability: Flash Fire  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD  
Relaxed Nature  
IVs: 0 Spe  
- Defog  
- Anchor Shot  
- Teleport  
- Shore Up