Here is my team:
Greninja @ Focus Sash
Ability: Protean
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Toxic Spikes
- Spikes
- Shadow Sneak
- Rock Tomb
Arceus @ Life Orb
Ability: Multitype
EVs: 252 HP / 252 Atk / 4 SpD
Adamant Nature
- Extreme Speed
- Swords Dance
- Poison Jab
- Recover
Xerneas @ Power Herb
Ability: Fairy Aura
EVs: 248 HP / 252 SpA / 8 SpD
Modest Nature
IVs: 0 Atk
- Geomancy
- Moonblast
- Focus Blast
- Thunder
Diancie-Mega @ Diancite
Ability: Magic Bounce
EVs: 4 Atk / 252 SpA / 252 Spe
Hasty Nature
- Diamond Storm
- Earth Power
- Moonblast
- Calm Mind
Kyogre @ Choice Band
Ability: Drizzle
EVs: 252 HP / 252 Atk / 4 SpA
Lonely Nature
- Thunder
- Earthquake
- Iron Head
- Liquidation
Marshadow @ Life Orb
Ability: Technician
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Shadow Sneak
- Spectral Thief
- Close Combat
- Rock Tomb
Just looking to improve it anyway possible. Just hit me with anything u got. In is a uber team as u can see. Im around mid 1200 rating right now!