Alomomola @ Heavy-Duty Boots  
Ability: Regenerator  
Tera Type: Dark  
EVs: 252 HP / 252 Def / 4 SpD  
Relaxed Nature  
IVs: 0 Spe  
- Wish  
- Protect  
- Toxic  
- Flip Turn  

Heatran @ Leftovers  
Ability: Flash Fire  
Tera Type: Fairy  
EVs: 252 HP / 4 Def / 252 SpD  
Calm Nature  
IVs: 0 Atk  
- Lava Plume  
- Toxic  
- Protect  
- Roar  

Giratina-Origin @ Griseous Core  
Ability: Levitate  
Tera Type: Steel  
EVs: 248 HP / 152 Def / 8 SpA / 100 SpD  
Modest Nature  
IVs: 0 Atk  
- Draco Meteor  
- Hex  
- Defog  
- Will-O-Wisp  

Groudon-Primal @ Red Orb  
Ability: Desolate Land  
Tera Type: Ground  
EVs: 252 HP / 88 Def / 164 SpD / 4 Spe  
Relaxed Nature  
- Earthquake  
- Overheat  
- Toxic  
- Stealth Rock  

Marshadow @ Choice Band  
Ability: Technician  
Tera Type: Ghost  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Poltergeist  
- Spectral Thief  
- Shadow Sneak  
- Close Combat  

Yveltal ban when (Fezandipiti) @ Utility Umbrella  
Ability: Toxic Chain  
Tera Type: Grass  
EVs: 252 HP / 4 Def / 252 SpD  
Calm Nature  
- Icy Wind  
- Acid Spray  
- Roost  
- U-turn