Mewtwo-Mega-Y @ Life Orb  
Ability: Sheer Force  
Tera Type: Psychic  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Blue Flare  
- Seed Flare  
- Earth Power  
- Moonblast  

Ho-Oh @ Heavy-Duty Boots  
Ability: Desolate Land  
Tera Type: Dark  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Careful Nature  
- V-create  
- Heal Order  
- Anchor Shot  
- Spectral Thief  

Zygarde-Complete @ Ability Shield  
Ability: Fur Coat  
Tera Type: Water  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD  
Relaxed Nature  
IVs: 0 Spe  
- Thousand Waves  
- Volt Switch  
- Heal Order  
- Core Enforcer  

Arceus-Water @ Toxic Orb  
Ability: Poison Heal  
Tera Type: Fairy  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Scald  
- Defog  
- Ice Beam  
- Baneful Bunker  

Diancie-Mega @ Groundium Z  
Ability: Pixilate  
Tera Type: Rock  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Naive Nature  
- Boomburst  
- Rapid Spin  
- Thousand Waves  
- V-create  

Chansey @ Eviolite  
Ability: Imposter  
Happiness: 55  
Tera Type: Ghost  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD  
Relaxed Nature  
IVs: 0 Atk / 0 Spe  
- Heal Order  
- Teleport  
- Healing Wish  
- Whirlwind