Celesteela @ Leftovers  
Ability: Wonder Guard  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Impish Nature  
- Spectral Thief  
- Stealth Rock  
- Will-O-Wisp  
- Recover  

Mewtwo-Mega-X @ Shed Shell  
Ability: Huge Power  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Naive Nature  
- Photon Geyser  
- Moongeist Beam  
- Sunsteel Strike  
- Close Combat  

Zygarde-Complete @ Leftovers  
Ability: Prankster  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD  
Relaxed Nature  
IVs: 0 Spe  
- Destiny Bond  
- U-turn  
- Haze  
- Shore Up  

Ho-Oh @ Toxic Orb  
Ability: Magic Guard  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Careful Nature  
IVs: 30 Spe  
- Spectral Thief  
- Pursuit  
- Flare Blitz  
- Heal Order  

Arceus @ Shed Shell  
Ability: Wonder Guard  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Impish Nature  
- Spectral Thief  
- Baton Pass  
- Defog  
- Roost  

Groudon-Primal @ Choice Scarf  
Ability: Shadow Tag  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Jolly Nature  
- Fire Lash  
- Let's Snuggle Forever  
- First Impression  
- Trick