Venusaur-Mega @ Venusaurite  
Ability: Thick Fat  
Tera Type: Grass  
EVs: 248 HP / 88 Def / 4 SpA / 168 SpD  
Calm Nature  
IVs: 0 Atk  
- Leech Seed  
- Toxic  
- Synthesis  
- Grass Knot  

Zygarde @ Leftovers  
Ability: Power Construct  
Tera Type: Water  
EVs: 248 HP / 252 Def / 8 SpD  
Impish Nature  
- Coil  
- Glare  
- Thousand Arrows  
- Rest  

Ho-Oh @ Heavy-Duty Boots  
Ability: Regenerator  
Tera Type: Grass  
EVs: 252 HP / 204 Def / 52 SpD  
Impish Nature  
- Sacred Fire  
- Toxic  
- Defog  
- Whirlwind  

Eternatus @ Leftovers  
Ability: Pressure  
Tera Type: Grass  
EVs: 248 HP / 252 SpD / 8 Spe  
Timid Nature  
IVs: 0 Atk  
- Dynamax Cannon  
- Flamethrower  
- Toxic  
- Recover  

Groudon @ Red Orb  
Ability: Drought  
Tera Type: Flying  
EVs: 244 HP / 52 Def / 204 SpD / 8 Spe  
Careful Nature  
- Spikes  
- Precipice Blades  
- Overheat  
- Toxic  

Arceus-Dark @ Dread Plate  
Ability: Multitype  
Tera Type: Poison  
EVs: 248 HP / 136 Def / 124 Spe  
Bold Nature  
IVs: 0 Atk  
- Foul Play  
- Will-O-Wisp  
- Taunt  
- Recover