DD latias + Banded Azu

Latios-Mega (M) @ Latiosite
Ability: Levitate
EVs: 252 Atk / 4 SpD / 252 Spe
Adamant Nature
- Dragon Dance
- Dragon Claw
- Earthquake
- Recover

Azumarill @ Choice Band
Ability: Huge Power
EVs: 248 HP / 252 Atk / 8 SpD
Adamant Nature
- Aqua Jet
- Waterfall
- Play Rough
- Superpower

Magneton @ Choice Scarf
Ability: Magnet Pull
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk / 30 SpA / 30 Spe
- Thunderbolt
- Volt Switch
- Hidden Power [Fire]
- Flash Cannon

Heatran @ Leftovers
Ability: Flash Fire
EVs: 252 HP / 12 SpD / 244 Spe
Timid Nature
IVs: 0 Atk
- Lava Plume
- Toxic
- Protect
- Stealth Rock

Tangrowth @ Leftovers
Ability: Regenerator
EVs: 244 HP / 216 Def / 48 SpD
Relaxed Nature
- Sleep Powder
- Giga Drain
- Knock Off
- Hidden Power [Fire]

Klefki @ Leftovers
Ability: Prankster
EVs: 252 HP / 4 Def / 252 SpD
Careful Nature
- Spikes
- Thunder Wave
- Magnet Rise
- Play Rough