Aegislash @ Life Orb
Ability: Stance Change
EVs: 252 HP / 4 Def / 252 SpA
Quiet Nature
- King's Shield
- Shadow Sneak
- Iron Head
- Wide Guard
Hydreigon @ Choice Band
Ability: Levitate
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Outrage
- Crunch
- Rock Slide
- U-turn
Heatran @ Leftovers
Ability: Flash Fire
EVs: 252 HP / 252 SpA / 4 SpD
Modest Nature
- Heat Wave
- Flash Cannon
- Earth Power
- Protect
Thundurus @ Sitrus Berry
Ability: Prankster
EVs: 252 HP / 128 Def / 128 SpD
Bold Nature
- Thunder Wave
- Hidden Power [Ice]
- Thunderbolt
- Taunt
Lopunny @ Lopunnite
Ability: Cute Charm
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Fake Out
- Low Kick
- Ice Punch
- Protect
Venusaur @ Venusaurite
Ability: Overgrow
EVs: 252 HP / 252 SpA
Modest Nature
- Sludge Bomb
- Giga Drain
- Leech Seed
- Protect
Edit: Win rate has plummeted so I'm clearly doing something wrong.