Groudon-Primal @ Weakness Policy  
Ability: Desolate Land  
Tera Type: Ground  
EVs: 128 HP / 252 Atk / 4 SpA / 124 Spe  
Naughty Nature  
- Rock Polish  
- Swords Dance  
- Earthquake  
- Fire Punch  

Zacian-Crowned @ Choice Band  
Ability: Intrepid Sword  
Tera Type: Fighting  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Behemoth Blade  
- Close Combat  
- Play Rough  
- Wild Charge  

Mewtwo-Mega-X @ Lum Berry  
Ability: Steadfast  
Tera Type: Ground  
EVs: 136 HP / 120 Atk / 252 Spe  
Jolly Nature  
- Bulk Up  
- Drain Punch  
- Earthquake  
- Zen Headbutt  

Blastoise-Mega @ White Herb  
Ability: Mega Launcher  
Tera Type: Water  
EVs: 164 HP / 180 SpA / 4 SpD / 160 Spe  
Modest Nature  
IVs: 0 Atk  
- Shell Smash  
- Water Pulse  
- Ice Beam  
- Dark Pulse  

Salamence-Mega @ Choice Scarf  
Ability: Aerilate  
Tera Type: Flying  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Double-Edge  
- Earthquake  
- Outrage  
- Stone Edge  

Kyogre-Primal @ Choice Scarf  
Ability: Primordial Sea  
Tera Type: Electric  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Water Spout  
- Origin Pulse  
- Thunder  
- Ice Beam  

Zygarde-Complete @ Leftovers  
Ability: Power Construct  
Tera Type: Steel  
EVs: 252 HP / 4 Atk / 252 SpD  
Careful Nature  
- Glare  
- Coil  
- Thousand Arrows  
- Rest  

Necrozma-Ultra @ Lum Berry  
Ability: Neuroforce  
Tera Type: Flying  
EVs: 252 Atk / 4 SpA / 252 Spe  
Lonely Nature  
- Dragon Dance  
- Earthquake  
- Sunsteel Strike  
- Photon Geyser  

Arceus-Fairy @ Leftovers  
Ability: Multitype  
Tera Type: Fairy  
EVs: 252 HP / 204 Def / 52 SpD  
Calm Nature  
IVs: 0 Atk  
- Will-O-Wisp  
- Recover  
- Dazzling Gleam  
- Toxic  

Blaziken-Mega @ Air Balloon  
Ability: Speed Boost  
Tera Type: Ground  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Swords Dance  
- High Jump Kick  
- Flare Blitz  
- Earthquake  

Alakazam-Mega @ Choice Specs  
Ability: Magic Guard  
Tera Type: Ghost  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Psychic  
- Energy Ball  
- Dazzling Gleam  
- Shadow Ball  

Gengar-Mega @ Leftovers  
Ability: Shadow Tag  
Tera Type: Normal  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Substitute  
- Nasty Plot  
- Shadow Ball  
- Sludge Bomb  

Terapagos-Stellar @ Aguav Berry  
Ability: Teraform Zero  
Tera Type: Stellar  
EVs: 252 SpA / 4 SpD / 252 Spe  
Modest Nature  
IVs: 15 Atk  
- Rock Polish  
- Calm Mind  
- Tera Starstorm  
- Dark Pulse  

Kangaskhan-Mega (F) @ Assault Vest  
Ability: Parental Bond  
Tera Type: Normal  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Return  
- Power-Up Punch  
- Earthquake  
- Crunch  

Zygarde-Complete @ Yache Berry  
Ability: Power Construct  
Tera Type: Steel  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Dragon Dance  
- Zen Headbutt  
- Thousand Arrows  
- Stone Edge