Venutran+Genesect

Heatran @ Leftovers
Ability: Flash Fire
EVs: 24 HP / 232 SpA / 252 Spe
Modest Nature
- Heat Wave
- Earth Power
- Substitute
- Protect

Scrafty @ Sitrus Berry
Ability: Intimidate
EVs: 248 HP / 252 Atk / 8 SpD
Adamant Nature
- Fake Out
- Quick Guard
- Knock Off
- Low Kick

Genesect @ Choice Scarf
Ability: Download
EVs: 252 Atk / 4 SpA / 252 Spe
Naive Nature
- U-turn
- Iron Head
- Ice Beam
- Thunderbolt

Thundurus @ Life Orb
Ability: Prankster
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
- Thunderbolt
- Flash Cannon
- Thunder Wave
- Protect

Gyarados @ Safety Goggles
Ability: Intimidate
EVs: 32 HP / 252 Atk / 224 Spe
Adamant Nature
- Dragon Dance
- Waterfall
- Stone Edge
- Protect

Venusaur @ Venusaurite
Ability: Chlorophyll
EVs: 252 HP / 124 Def / 132 SpD
Bold Nature
- Sleep Powder
- Giga Drain
- Sludge Bomb
- Synthesis