ubers

Necrozma-Dawn-Wings @ Ultranecrozium Z
Ability: Prism Armor
EVs: 252 HP / 252 SpA / 4 SpD
Modest Nature
IVs: 0 Atk
- Moongeist Beam
- Photon Geyser
- Dragon Pulse
- Signal Beam

Groudon-Primal @ Red Orb
Ability: Desolate Land
Shiny: Yes
EVs: 252 HP / 252 Atk / 4 SpD
Adamant Nature
- Stomping Tantrum
- Earthquake
- Precipice Blades
- Fire Punch

Aegislash (M) @ Focus Sash
Ability: Stance Change
Shiny: Yes
EVs: 252 HP / 4 Atk / 252 SpD
Sassy Nature
IVs: 0 Spe
- Shadow Ball
- Sacred Sword
- King's Shield
- Gyro Ball

Kyurem-White @ Leftovers
Ability: Turboblaze
Shiny: Yes
EVs: 252 HP / 4 Atk / 252 SpA
Mild Nature
- Ancient Power
- Ice Burn
- Fusion Flare
- Dragon Claw

Xerneas @ Fairium Z
Ability: Fairy Aura
EVs: 248 HP / 8 Atk / 252 SpA
Mild Nature
- Geomancy
- Moonblast
- Horn Leech
- Psychic

Pheromosa @ Sitrus Berry
Ability: Beast Boost
Shiny: Yes
- Quiver Dance
- U-turn
- Focus Blast
- Roost