Mega Latios - OU

Auron (Latios-Mega) @ Latiosite
Ability: Levitate
Shiny: Yes
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Calm Mind
- Recover
- Psyshock
- Draco Meteor

Hayabusa (Greninja) (M) @ Choice Specs
Ability: Battle Bond
EVs: 4 Def / 252 SpA / 252 Spe
Timid Nature
- Hydro Pump
- Dark Pulse
- Water Shuriken
- U-turn

Habib's (Landorus-Therian) @ Rocky Helmet
Ability: Intimidate
Shiny: Yes
EVs: 248 HP / 232 Def / 28 SpD
Impish Nature
- Stealth Rock
- Earthquake
- U-turn
- Hidden Power [Ice]

Jeanne (Magearna) @ Assault Vest
Ability: Soul-Heart
EVs: 200 HP / 56 SpA / 252 SpD
Calm Nature
IVs: 0 Atk
- Fleur Cannon
- Flash Cannon
- Focus Blast
- Volt Switch

Setsuka (Kartana) @ Choice Scarf
Ability: Beast Boost
EVs: 252 Atk / 4 Def / 252 Spe
Jolly Nature
- Leaf Blade
- Smart Strike
- Sacred Sword
- Defog

Cervantes (Marowak-Alola) (M) @ Thick Club
Ability: Lightning Rod
Shiny: Yes
EVs: 252 Atk / 4 SpD / 252 Spe
Adamant Nature
- Swords Dance
- Flare Blitz
- Shadow Bone
- Bonemerang