Dialga @ Life Orb  
Ability: Pressure  
Level: 50  
EVs: 172 HP / 236 SpA / 100 Spe  
Modest Nature  
IVs: 12 Atk  
- Roar of Time  
- Steel Beam  
- Power Gem  
- Blizzard  

Grimmsnarl (M) @ Babiri Berry  
Ability: Prankster  
Level: 50  
EVs: 244 HP / 4 Atk / 4 Def / 148 SpD / 108 Spe  
Careful Nature  
- Spirit Break  
- Scary Face  
- Fake Out  
- Fake Tears  

Rillaboom (F) @ Miracle Seed  
Ability: Grassy Surge  
Level: 50  
Gigantamax: Yes  
EVs: 252 HP / 252 Atk / 4 SpD  
Adamant Nature  
IVs: 22 SpA / 26 Spe  
- Grassy Glide  
- Wood Hammer  
- Fake Out  
- Protect  

Urshifu (F) @ Focus Sash  
Ability: Unseen Fist  
Level: 50  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Wicked Blow  
- Close Combat  
- Sucker Punch  
- Detect  

Landorus-Therian (M) @ Assault Vest  
Ability: Intimidate  
Level: 50  
EVs: 212 HP / 20 Def / 196 SpA / 4 SpD / 76 Spe  
Modest Nature  
- Earth Power  
- Grass Knot  
- Stone Edge  
- Weather Ball  

Turtonator (F) @ Leftovers  
Ability: Shell Armor  
Level: 50  
EVs: 252 HP / 252 Def / 4 SpD  
Bold Nature  
IVs: 0 Atk / 14 Spe  
- Body Press  
- Fire Spin  
- Iron Defense  
- Protect