Venusaur-Mega @ Venusaurite  
Ability: Chlorophyll  
Tera Type: Grass  
EVs: 248 HP / 64 Def / 64 SpA / 132 SpD  
Calm Nature  
IVs: 0 Atk  
- Grass Knot  
- Leech Seed  
- Toxic  
- Synthesis  

Groudon-Primal @ Red Orb  
Ability: Desolate Land  
Tera Type: Ground  
EVs: 248 HP / 68 Def / 192 SpD  
Relaxed Nature  
- Stealth Rock  
- Dragon Tail  
- Precipice Blades  
- Overheat  

Arceus-Ground @ Groundium Z  
Ability: Multitype  
Tera Type: Ground  
EVs: 72 HP / 252 Atk / 56 Def / 128 Spe  
Adamant Nature  
- Dragon Dance  
- Taunt  
- Earthquake  
- Stone Edge  

Zygarde @ Leftovers  
Ability: Power Construct  
Tera Type: Water  
EVs: 252 HP / 252 Def / 4 SpD  
Impish Nature  
- Glare  
- Rest  
- Coil  
- Thousand Arrows  

Yveltal @ Life Orb  
Ability: Dark Aura  
Tera Type: Dark  
EVs: 32 HP / 8 Def / 236 SpA / 8 SpD / 224 Spe  
Timid Nature  
- Taunt  
- Knock Off  
- Dark Pulse  
- Oblivion Wing  

Ho-Oh @ Heavy-Duty Boots  
Ability: Regenerator  
Tera Type: Dark  
EVs: 248 HP / 204 Def / 56 SpD  
Impish Nature  
- Sacred Fire  
- Toxic  
- Defog  
- Whirlwind