Rate my gen 7 ubers team!

Question

here's my team:
Kyogre-Primal @ Blue Orb (standard calm mind)
Ability: Primordial Sea
EVs: 16 HP / 252 SpA / 240 Spe
Timid Nature
IVs: 0 Atk
- Calm Mind
- Thunder
- Origin Pulse
- Ice Beam

Arceus @ Leftovers (late game sweeper)
Ability: Multitype
EVs: 240 HP / 252 Atk / 16 Spe
Jolly Nature
- Extreme Speed
- Earthquake
- Swords Dance
- Substitute

Marshadow @ Focus Sash (swagger abuser)
Ability: Technician
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Shadow Sneak
- Spectral Thief
- Close Combat
- Swagger

Darkrai @ Life Orb (hypnosis abuser)
Ability: Bad Dreams
EVs: 4 HP / 252 SpA / 252 Spe
Timid Nature
IVs: 0 Atk
- Nasty Plot
- Dark Pulse
- Hypnosis
- Sludge Bomb

Salamence-Mega @ Salamencite (sweeper)
Ability: Aerilate
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Return
- Dragon Dance
- Outrage
- Earthquake

Groudon-Primal @ Red Orb (support tank and sometimes useful power)
Ability: Desolate Land
EVs: 252hp / 252 Atk / 4s.def
Adamant Nature
- Thunder Wave
- Precipice Blades
- Fire Punch
- Stealth Rock
Its 'okay' kinda team according to me. Any suggestions?

Comments

the swagger strat only properly worked in low ladder but in high ladder it threatens opponents the best way. Its almost guarantee switch out. But I was thinking of switching it. how about thunderpunch? for kyogre and yvetal?

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I have made some changes check em !

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I'd say Dragon Claw over Outrage on Salamence, or just plain don't give it Dragon attacking moves. Your team does need a good Defogger, so perhaps replace Darkrai with something like Lugia or some other good Defogger. For Groudon I'd run Rock Tomb over Thunder Wave. And Arceus should have Adamant nature, I don't know why it's Jolly.

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@eee01 for groudon I m running stone edge over thunder wave now and salamence has defog instead of outrage now. I changed arceus's nature to adamant , thanks. Also I want to replace darkrai with something as it has a very small niche. any suggestions?

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If you’re looking for a good dark type, go Yveltal. It helps against opposing Marshadow, though I suppose you already have Salamence. Otherwise, Xerneas is also a good setup-sweeper with Geomancy and then Fairy Aura boosted Moonblasts.