OU team 1

Latios-Mega @ Latiosite
Ability: Levitate
EVs: 4 Atk / 252 SpA / 252 Spe
Naive Nature
- Draco Meteor
- Psychic
- Earthquake
- Roost

Tapu Bulu @ Assault Vest
Ability: Grassy Surge
EVs: 248 HP / 60 Atk / 32 Def / 56 SpD / 112 Spe
Adamant Nature
- Horn Leech
- Wood Hammer
- Superpower
- Nature's Madness

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

Toxapex @ Eject Button
Ability: Regenerator
EVs: 248 HP / 20 Def / 240 SpD
Calm Nature
IVs: 0 Atk
- Toxic
- Haze
- Scald
- Recover

Landorus-Therian @ Rocky Helmet
Ability: Intimidate
EVs: 248 HP / 192 Def / 28 SpD / 40 Spe
Impish Nature
- Hidden Power [Ice]
- U-turn
- Earthquake
- Stealth Rock

Magnezone @ Choice Scarf
Ability: Magnet Pull
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Volt Switch
- Thunderbolt
- Flash Cannon
- Hidden Power [Fire]