Dialga @ Leftovers  
Ability: Pressure  
Tera Type: Steel  
EVs: 252 HP / 4 SpA / 252 SpD  
Sassy Nature  
- Draco Meteor  
- Heavy Slam  
- Stealth Rock  
- Roar  

Magearna @ Heavy-Duty Boots  
Ability: Soul-Heart  
Tera Type: Steel  
EVs: 252 HP / 4 SpA / 252 SpD  
Calm Nature  
IVs: 0 Atk  
- Draining Kiss  
- Thunder Wave  
- Volt Switch  
- Spikes  

Necrozma-Dusk-Mane @ Heavy-Duty Boots  
Ability: Prism Armor  
Tera Type: Steel  
EVs: 252 HP / 4 Atk / 252 Def  
Impish Nature  
- Swords Dance  
- Sunsteel Strike  
- Earthquake  
- Morning Sun  

Heatran @ Air Balloon  
Ability: Flash Fire  
Tera Type: Fire  
EVs: 132 HP / 252 SpA / 124 Spe  
Modest Nature  
IVs: 0 Atk  
- Earth Power  
- Magma Storm  
- Taunt  
- Power Gem  

Corviknight @ Leftovers  
Ability: Pressure  
Tera Type: Flying  
EVs: 252 HP / 12 Atk / 100 Def / 144 SpD  
Careful Nature  
- Iron Head  
- Body Press  
- Defog  
- Roost  

Kingambit @ Black Glasses  
Ability: Supreme Overlord  
Tera Type: Dark  
EVs: 252 HP / 252 Atk / 4 SpD  
Adamant Nature  
- Brick Break  
- Kowtow Cleave  
- Sucker Punch  
- Swords Dance