Mega Altaria / DD Lando-T (ubers)

Altaria-Mega @ Altarianite
Ability: Natural Cure
EVs: 252 Atk / 4 SpD / 252 Spe
Adamant Nature
- Return
- Earthquake
- Dragon Dance
- Roost

Groudon-Primal @ Red Orb
Ability: Desolate Land
EVs: 248 HP / 252 SpD / 8 Spe
Careful Nature
- Rock Slide
- Precipice Blades
- Fire Punch
- Toxic

Xerneas @ Choice Scarf
Ability: Fairy Aura
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Moonblast
- Sleep Talk
- Geomancy

Arceus-Steel @ Iron Plate
Ability: Multitype
EVs: 252 HP / 120 Def / 136 SpD
Careful Nature
- Iron Head
- Earthquake
- Recover
- Defog

Kyogre-Primal @ Blue Orb
Ability: Primordial Sea
EVs: 248 HP / 252 Def / 8 Spe
Bold Nature
IVs: 0 Atk
- Origin Pulse
- Ice Beam
- Toxic
- Thunder

Landorus-Therian @ Rockium Z
Ability: Intimidate
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Rock Polish
- Swords Dance
- Earthquake
- Stone Edge