Diancie-Mega @ Diancite  
Ability: Magic Bounce  
Tera Type: Rock  
EVs: 4 Atk / 252 SpA / 252 Spe  
Hasty Nature  
- Diamond Storm  
- Moonblast  
- Earth Power  
- Spikes  

Heatran @ Leftovers  
Ability: Flash Fire  
Tera Type: Fire  
EVs: 248 HP / 220 SpD / 40 Spe  
Calm Nature  
IVs: 0 Atk  
- Magma Storm  
- Earth Power  
- Toxic  
- Stealth Rock  

Rillaboom @ Choice Band  
Ability: Grassy Surge  
Tera Type: Grass  
EVs: 252 Atk / 4 Def / 252 Spe  
Adamant Nature  
- Grassy Glide  
- Wood Hammer  
- U-turn  
- Knock Off  

Zapdos @ Heavy-Duty Boots  
Ability: Static  
Tera Type: Electric  
EVs: 248 HP / 188 Def / 72 Spe  
Bold Nature  
IVs: 0 Atk  
- Volt Switch  
- Hurricane  
- Defog  
- Roost  

Ogerpon-Wellspring (F) @ Wellspring Mask  
Ability: Water Absorb  
Tera Type: Water  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Ivy Cudgel  
- Power Whip  
- U-turn  
- Knock Off  

Great Tusk @ Leftovers  
Ability: Protosynthesis  
Tera Type: Ground  
EVs: 252 Atk / 4 Def / 252 Spe  
Jolly Nature  
- Rapid Spin  
- Ice Spinner  
- Headlong Rush  
- Close Combat