That's So Mahatma (Alakazam-Mega) @ Terrain Extender  
Ability: Psychic Surge  
Tera Type: Psychic  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
- Expanding Force  
- Astral Barrage  
- Armor Cannon  
- U-turn  

Hero, My Love (Garchomp-Mega) @ Psychic Seed  
Ability: Unburden  
Tera Type: Dragon  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Adamant Nature  
- Swords Dance  
- Headlong Rush  
- Glaive Rush  
- Surging Strikes  

Beyond the Mirror (Arceus-Ghost) @ Spooky Plate  
Ability: Fur Coat  
Tera Type: Ghost  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Nasty Plot  
- Judgment  
- Secret Sword  
- Strength Sap  

StardustInThePalm (Celesteela) @ Rocky Helmet  
Ability: Well-Baked Body  
Tera Type: Steel  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD  
Relaxed Nature  
IVs: 0 Spe  
- Knock Off  
- Teleport  
- Strength Sap  
- Spikes  

raison (Groudon-Primal) @ Covert Cloak  
Ability: Magic Bounce  
Tera Type: Ground  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Naive Nature  
- Headlong Rush  
- Torch Song  
- Mortal Spin  
- Strength Sap  

mirage (Chansey) (F) @ Eviolite  
Ability: Imposter  
Tera Type: Normal  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Calm Nature  
IVs: 0 Atk  
- Shore Up  
- Topsy-Turvy  
- Block  
- Heal Bell