Sand Anti stall in progress

Hippowdon @ Leftovers
Ability: Sand Stream
EVs: 252 HP / 144 Def / 112 SpD
Impish Nature
- Slack Off
- Stone Edge
- Earthquake
- Stealth Rock

Excadrill @ Life Orb
Ability: Sand Rush
EVs: 252 Atk / 4 SpD / 252 Spe
Adamant Nature
- Iron Head
- Rapid Spin
- Rock Slide
- Earthquake

Medicham-Mega @ Medichamite
Ability: Pure Power
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Fake Out
- Psycho Cut
- Bullet Punch
- High Jump Kick

Manaphy @ Leftovers
Ability: Hydration
EVs: 4 Def / 252 SpA / 252 Spe
Timid Nature
- Scald
- Tail Glow
- Rain Dance
- Energy Ball

Kyurem-Black @ Life Orb
Ability: Teravolt
EVs: 20 Atk / 252 SpA / 236 Spe
Mild Nature
- Roost
- Ice Beam
- Earth Power
- Fusion Bolt

Tornadus-Therian (M) @ Assault Vest
Ability: Regenerator
EVs: 60 Atk / 196 SpA / 252 Spe
Naive Nature
- U-turn
- Heat Wave
- Hurricane
- Superpower