Diancie @ Psychic Seed  
Ability: Clear Body  
Tera Type: Dragon  
EVs: 248 HP / 252 Atk / 8 SpD  
Adamant Nature  
- Diamond Storm  
- Body Press  
- Trick Room  
- Protect  

Zapdos @ Flyinium Z  
Ability: Static  
Tera Type: Electric  
EVs: 240 HP / 204 Def / 12 SpA / 52 Spe  
Modest Nature  
IVs: 0 Atk  
- Hurricane  
- Thunderbolt  
- Roost  
- Tailwind  

Gardevoir-Mega @ Gardevoirite  
Ability: Trace  
Tera Type: Psychic  
EVs: 248 HP / 108 SpA / 104 SpD / 48 Spe  
Modest Nature  
IVs: 0 Atk  
- Hyper Voice  
- Psyshock  
- Calm Mind  
- Protect  

Indeedee-F @ Sitrus Berry  
Ability: Psychic Surge  
Tera Type: Dark  
EVs: 248 HP / 220 Def / 40 SpD  
Sassy Nature  
IVs: 0 Atk / 0 Spe  
- Psyshock  
- Trick Room  
- Follow Me  
- Helping Hand  

Marshadow @ Life Orb  
Ability: Technician  
Tera Type: Stellar  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Close Combat  
- Poltergeist  
- Rock Tomb  
- Protect  

Landorus @ Life Orb  
Ability: Sheer Force  
Tera Type: Poison  
EVs: 252 SpA / 4 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Earth Power  
- Sludge Bomb  
- Stealth Rock  
- Protect