Gengar-Mega @ Choice Specs  
Ability: Beads of Ruin  
Tera Type: Ghost  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
- Knock Off  
- Moongeist Beam  
- Malignant Chain  
- Fleur Cannon  

Snorlax @ Assault Vest  
Ability: Regenerator  
Tera Type: Normal  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD  
Sassy Nature  
IVs: 0 Spe  
- Stone Axe  
- U-turn  
- Spectral Thief  
- Nuzzle  

Mewtwo-Mega-Y @ Life Orb  
Ability: Protean  
Tera Type: Psychic  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Hasty Nature  
- Moongeist Beam  
- Collision Course  
- Lumina Crash  
- Blue Flare  

Zygarde-Complete @ Ability Shield  
Ability: Ice Scales  
Tera Type: Dragon  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD  
Sassy Nature  
IVs: 0 Spe  
- Heal Order  
- Nuzzle  
- Thousand Waves  
- Haze  

Chansey (F) @ Toxic Orb  
Ability: Imposter  
Tera Type: Normal  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Impish Nature  
- Spectral Thief  
- Heal Bell  
- Heal Order  
- Block  

Dondozo @ Ability Shield  
Ability: Fur Coat  
Tera Type: Water  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD  
Relaxed Nature  
IVs: 0 Spe  
- U-turn  
- Defog  
- Spectral Thief  
- Heal Order