[OU] Mega Diancie + Choice Band Weavile

Diancie-Mega @ Diancite
Ability: Magic Bounce
EVs: 252 Atk / 4 SpA / 252 Spe
Naive Nature
- Moonblast
- Hidden Power [Fire]
- Diamond Storm
- Protect

darkintruder (Weavile) (M) @ Choice Band
Ability: Pickpocket
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Icicle Crash
- Ice Shard
- Knock Off
- Pursuit

Heatran (M) @ Power Herb
Ability: Flash Fire
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Magma Storm
- Earth Power
- Solar Beam
- Taunt

Keldeo @ Choice Specs
Ability: Justified
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Scald
- Hydro Pump
- Secret Sword
- Icy Wind

Landorus-Therian @ Rocky Helmet
Ability: Intimidate
EVs: 248 HP / 228 Def / 24 SpD / 8 Spe
Impish Nature
- Earthquake
- Stone Edge
- Swords Dance
- Stealth Rock

Latios @ Life Orb
Ability: Levitate
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Draco Meteor
- Psychic
- Defog
- Roost