[Gen 7] Ubers

Xerneas @ Fairium Z
Ability: Fairy Aura
Shiny: Yes
EVs: 252 SpA / 8 SpD / 248 Spe
Modest Nature
IVs: 0 Atk
- Geomancy
- Ingrain
- Rest
- Moonblast

Excadrill @ Focus Sash
Ability: Mold Breaker
Shiny: Yes
EVs: 252 Atk / 4 Def / 252 Spe
Jolly Nature
- Stealth Rock
- Rapid Spin
- Toxic
- Earthquake

Groudon @ Red Orb
Ability: Drought
Shiny: Yes
EVs: 168 HP / 240 Atk / 36 SpD / 64 Spe
Adamant Nature
- Rock Polish
- Precipice Blades
- Swords Dance
- Stone Edge

Arceus @ Life Orb
Ability: Multitype
EVs: 252 Atk / 4 Def / 252 Spe
Jolly Nature
- Swords Dance
- Extreme Speed
- Shadow Claw
- Earthquake

Salamence-Mega (M) @ Salamencite
Ability: Aerilate
Shiny: Yes
Happiness: 0
EVs: 252 Atk / 4 SpD / 252 Spe
Adamant Nature
- Dragon Dance
- Frustration
- Roost
- Dragon Claw

Marshadow @ Life Orb
Ability: Technician
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Close Combat
- Shadow Sneak
- Spectral Thief
- Stone Edge