Greninja-Ash (M) @ Choice Specs  
Ability: Adaptability  
Tera Type: Water  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Water Spout  
- Steam Eruption  
- Fiery Wrath  
- Volt Switch  

Miraidon @ Covert Cloak  
Ability: Ice Scales  
Tera Type: Electric  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
- Thunder Cage  
- Slack Off  
- Mortal Spin  
- Salt Cure  

Steelix-Mega @ Clear Amulet  
Ability: Fur Coat  
Tera Type: Steel  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Impish Nature  
- Spirit Shackle  
- Roost  
- Tidy Up  
- Nuzzle  

Beedrill-Mega @ Choice Band  
Ability: Tough Claws  
Tera Type: Bug  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Jolly Nature  
- V-create  
- Glacial Lance  
- U-turn  
- Volt Tackle  

Yveltal @ Leftovers  
Ability: Magic Bounce  
Tera Type: Dark  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD  
Careful Nature  
IVs: 0 Spe  
- Heal Bell  
- Knock Off  
- Wish  
- U-turn  

Gengar-Mega @ Spooky Plate  
Ability: Simple  
Tera Type: Ghost  
IVs: 0 Atk  
- No Retreat  
- Judgment  
- Aura Sphere  
- Strength Sap