Aerodactyl-Mega @ Aerodactylite  
Ability: Pressure  
Tera Type: Rock  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Stone Edge  
- Dual Wingbeat  
- Earthquake  
- Roost  

Hydrapple @ Heavy-Duty Boots  
Ability: Regenerator  
Tera Type: Grass  
EVs: 208 HP / 124 SpA / 32 SpD / 144 Spe  
Modest Nature  
IVs: 0 Atk  
- Nasty Plot  
- Leaf Storm  
- Fickle Beam  
- Earth Power  

Magnezone @ Electrium Z  
Ability: Magnet Pull  
Tera Type: Electric  
EVs: 4 Def / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Thunderbolt  
- Substitute  
- Hidden Power [Fire]  
- Flash Cannon  

Swampert @ Leftovers  
Ability: Torrent  
Tera Type: Water  
EVs: 248 HP / 252 Def / 8 SpD  
Relaxed Nature  
IVs: 0 Spe  
- Stealth Rock  
- Flip Turn  
- Earthquake  
- Knock Off  

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

Aegislash @ Leftovers  
Ability: Stance Change  
Tera Type: Steel  
EVs: 240 HP / 8 Atk / 248 SpA / 12 Spe  
Quiet Nature  
- Shadow Ball  
- Close Combat  
- Shadow Sneak  
- King's Shield