Venusaur-Mega @ Venusaurite  
Ability: Overgrow  
Tera Type: Grass  
EVs: 248 HP / 144 SpA / 116 Spe  
Modest Nature  
IVs: 0 Atk  
- Giga Drain  
- Sludge Bomb  
- Earth Power  
- Synthesis  

Magnezone @ Choice Specs  
Ability: Magnet Pull  
Tera Type: Electric  
EVs: 252 SpA / 4 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Thunderbolt  
- Volt Switch  
- Flash Cannon  
- Hidden Power [Fire]  

Zeraora @ Heavy-Duty Boots  
Ability: Volt Absorb  
Tera Type: Electric  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Plasma Fists  
- Close Combat  
- Knock Off  
- Volt Switch  

Hippowdon @ Leftovers  
Ability: Sand Stream  
Tera Type: Ground  
EVs: 252 HP / 252 SpD / 4 Spe  
Careful Nature  
- Earthquake  
- Toxic  
- Stealth Rock  
- Slack Off  

Slowbro @ Heavy-Duty Boots  
Ability: Regenerator  
Tera Type: Water  
EVs: 252 HP / 252 Def / 4 SpD  
Bold Nature  
IVs: 0 Atk  
- Scald  
- Psychic Noise  
- Slack Off  
- Teleport  

Hydreigon @ Choice Scarf  
Ability: Levitate  
Tera Type: Dark  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
- Draco Meteor  
- Dark Pulse  
- Earth Power  
- U-turn