Ditto @ Choice Scarf  
Ability: Imposter  
Tera Type: Normal  
EVs: 248 HP / 8 Atk / 252 Def  
Relaxed Nature  
IVs: 0 Spe  
- Transform  

Zygarde @ Leftovers  
Ability: Power Construct  
Tera Type: Ground  
EVs: 140 HP / 132 Atk / 4 Def / 232 Spe  
Adamant Nature  
- Dragon Dance  
- Thousand Arrows  
- Substitute  
- Dragon Tail  

Ho-Oh @ Choice Band  
Ability: Regenerator  
Tera Type: Flying  
EVs: 248 HP / 12 Atk / 76 Def / 16 SpD / 156 Spe  
Jolly Nature  
- Sacred Fire  
- Brave Bird  
- Defog  
- Earthquake  

Groudon @ Red Orb  
Ability: Desolate Land  
Tera Type: Ground  
EVs: 248 HP / 140 Def / 116 SpD / 4 Spe  
Relaxed Nature  
- Precipice Blades  
- Stealth Rock  
- Toxic  
- Overheat  

Diancie @ Diancite  
Ability: Magic Bounce  
Tera Type: Rock  
EVs: 24 HP / 32 Atk / 220 SpA / 16 SpD / 216 Spe  
Hasty Nature  
- Diamond Storm  
- Moonblast  
- Earth Power  
- Substitute  

Ferrothorn @ Leftovers  
Ability: Iron Barbs  
Tera Type: Grass  
EVs: 248 HP / 8 Def / 252 SpD  
Sassy Nature  
IVs: 0 Spe  
- Power Whip  
- Spikes  
- Leech Seed  
- Knock Off