Groudon-Primal @ Leftovers  
Ability: Desolate Land  
Tera Type: Ghost  
EVs: 248 HP / 64 Def / 196 SpD  
Relaxed Nature  
- Spikes  
- Lava Plume  
- Protect  
- Earthquake  

Giratina-Origin @ Leftovers  
Ability: Levitate  
Tera Type: Fairy  
EVs: 252 HP / 252 Def / 4 SpD  
Relaxed Nature  
- Will-O-Wisp  
- Shadow Ball  
- Dragon Tail  
- Defog  

Altaria-Mega @ Heavy-Duty Boots  
Ability: Pixilate  
Tera Type: Steel  
EVs: 248 HP / 136 Def / 124 SpD  
Bold Nature  
IVs: 0 Atk  
- Perish Song  
- Fire Spin  
- Roost  
- Hyper Voice  

Dialga-Origin @ Assault Vest  
Ability: Pressure  
Tera Type: Ghost  
EVs: 252 HP / 4 Def / 252 SpD  
Calm Nature  
- Dragon Tail  
- Draco Meteor  
- Earth Power  
- Flamethrower  

Tyranitar-Mega @ Leftovers  
Ability: Sand Stream  
Tera Type: Ghost  
EVs: 252 HP / 4 Def / 252 SpD  
Sassy Nature  
IVs: 0 Spe  
- Knock Off  
- Protect  
- Dragon Tail  
- Stealth Rock  

Slowbro-Mega @ Leftovers  
Ability: Shell Armor  
Tera Type: Electric  
EVs: 252 HP / 252 Def / 4 SpD  
Relaxed Nature  
IVs: 0 Atk / 0 Spe  
- Iron Defense  
- Foul Play  
- Scald  
- Slack Off