Groudon @ Heat Rock  
Ability: Drought  
EVs: 248 HP / 252 Def / 8 Spe  
Impish Nature  
- Precipice Blades  
- Dragon Tail  
- Stealth Rock  
- Toxic  

Groudon-Primal @ Red Orb  
Ability: Desolate Land  
EVs: 4 HP / 252 Atk / 252 Spe  
Adamant Nature  
- Precipice Blades  
- Rock Slide  
- Swords Dance  
- Rock Polish  

Rayquaza-Mega @ Choice Scarf  
Ability: Delta Stream  
EVs: 252 Atk / 4 SpA / 252 Spe  
Naughty Nature  
- Dragon Ascent  
- Earthquake  
- Draco Meteor  
- Surf  

Arceus-Fairy @ Pixie Plate  
Ability: Multitype  
EVs: 240 HP / 252 Def / 16 Spe  
Bold Nature  
IVs: 0 Atk  
- Judgment  
- Toxic  
- Defog  
- Recover  

Venusaur @ Wide Lens  
Ability: Overgrow  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Giga Drain  
- Sludge Bomb  
- Sleep Powder  
- Growth  

Solrock @ Rocky Helmet  
Ability: Levitate  
EVs: 248 HP / 252 Def / 8 SpD  
Bold Nature  
IVs: 0 Atk  
- Will-O-Wisp  
- Toxic  
- Morning Sun  
- Stealth Rock