Arceus-Fairy (M) @ Toxic Orb  
Ability: Poison Heal  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Moonblast  
- Magma Storm  
- Quiver Dance  
- Strength Sap  

Ho-Oh @ Heavy-Duty Boots  
Ability: Volt Absorb  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Relaxed Nature  
- Anchor Shot  
- Defog  
- Lava Plume  
- Roost  

Swampert-Mega @ Groundium Z  
Ability: Ice Scales  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Careful Nature  
- Thousand Waves  
- Spectral Thief  
- Entrainment  
- Shore Up  

SUPER SUCK (Buzzwole) @ Leftovers  
Ability: Triage  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Impish Nature  
- Leech Life  
- Knock Off  
- Precipice Blades  
- Strength Sap  

Meloetta @ Psychium Z  
Ability: Prankster  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Calm Nature  
IVs: 0 Atk  
- Haze  
- Extrasensory  
- Recover  
- Strength Sap  

Chansey (F) @ Shed Shell  
Ability: Imposter  
Happiness: 0  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Calm Nature  
- Stealth Rock  
- Anchor Shot  
- Rapid Spin  
- Slack Off