Ok so it's been a while of me playing gen 7 ubers on PS! and I'm building better teams. You can see this one and tell any changes you think is good. Every help is appreciated :)
Marshadow @ Life Orb
Ability: Technician
EVs: 252 Atk / 4 Def / 252 Spe
Jolly Nature
- Spectral Thief
- Close Combat
- Shadow Sneak
- Rock Tomb
Arceus-Dragon @ Draco Plate
Ability: Multitype
EVs: 248 HP / 128 Def / 8 SpD / 124 Spe
Bold Nature
IVs: 0 Atk
- Defog
- Judgment
- Recover
- Calm Mind
Ho-Oh @ leftovers
Ability: Regenerator
EVs: 252 HP / 204 Def / 52 SpD
Impish Nature
- Sacred Fire
- Brave Bird
- Toxic
- Roost
Necrozma-Dusk-Mane @ Leftovers
Ability: Prism Armor
EVs: 248 HP / 8 Atk / 252 SpD
Careful Nature
- Stealth Rock
- Toxic
- Sunsteel Strike
- Moonlight
Salamence-Mega @ Salamencite
Ability: Aerilate
EVs: 248 HP / 184 Atk / 76 Spe
Adamant Nature
- double edge
- Dragon Dance
- Earthquake
- Roost
Groudon-Primal @ Red Orb
Ability: Desolate Land
EVs: 252 SpA / 96 SpD / 160 Spe
Mild Nature
- Rock Polish
- Precipice Blades
- Fire Blast
- Hidden Power [Ice]
Marshadow for revenge killing and cleaning up late game. Pdon for sweeping. 4 more spe than standard smogon set to outspeed other pdons :]
Salamance has bulk to take on other Salamance and few other things. Necrozma dusk mane for xerneas obviously. Ho-oh for toxic timer and regenerator. Draco arc for defog and taking on pdon.