Tyranitar-Mega @ Tyranitarite  
Ability: Sand Stream  
EVs: 248 HP / 44 Def / 216 SpD  
Careful Nature  
- Roar  
- Pursuit  
- Stone Edge  
- Rest  

Ferrothorn @ Leftovers  
Ability: Iron Barbs  
EVs: 252 HP / 252 SpD / 4 Spe  
Careful Nature  
- Stealth Rock  
- Leech Seed  
- Protect  
- Knock Off  

Ho-Oh @ Heavy-Duty Boots  
Ability: Regenerator  
EVs: 248 HP / 192 Def / 52 SpD / 16 Spe  
Impish Nature  
- Sacred Fire  
- Toxic  
- Whirlwind  
- Defog  

Arceus-Ground @ Earth Plate  
Ability: Multitype  
EVs: 252 HP / 240 Def / 16 Spe  
Bold Nature  
IVs: 0 Atk  
- Judgment  
- Ice Beam  
- Recover  
- Refresh  

Ditto @ Choice Scarf  
Ability: Imposter  
EVs: 252 HP / 4 Atk / 252 Def  
Relaxed Nature  
IVs: 30 Atk / 0 Spe  
- Transform  

Chansey (F) @ Leftovers  
Ability: Natural Cure  
EVs: 4 HP / 252 Def / 252 SpD  
Calm Nature  
- Soft-Boiled  
- Toxic  
- Confide  
- Seismic Toss