Psychium Z Latios

Landorus-Therian @ Rocky Helmet
Ability: Intimidate
EVs: 252 HP / 252 Def / 4 SpD
Impish Nature
- Stealth Rock
- U-turn
- Earthquake
- Superpower

Marowak-Alola @ Thick Club
Ability: Lightning Rod
EVs: 248 HP / 248 Atk / 12 Spe
Adamant Nature
- Shadow Bone
- Fire Punch
- Bonemerang
- Stone Edge

Hoopa-Unbound @ Assault Vest
Ability: Magician
EVs: 252 HP / 252 SpA / 4 SpD
Modest Nature
IVs: 0 Atk
- Dark Pulse
- Psyshock
- Thunderbolt
- Energy Ball

Latios @ Psychium Z
Ability: Levitate
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Draco Meteor
- Psychic
- Heal Block
- Thunderbolt

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

Medicham-Mega @ Medichamite
Ability: Pure Power
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- High Jump Kick
- Thunder Punch
- Ice Punch
- Bullet Punch