Stall breaker TS team

Rampardos @ Life Orb
Ability: Sheer Force
EVs: 252 Atk / 8 SpA / 248 Spe
Naughty Nature
- Hidden Power [Grass]
- Rock Slide
- Crunch
- Zen Headbutt

Latios @ Latiosite
Ability: Levitate
EVs: 176 HP / 80 Def / 252 Spe
Timid Nature
IVs: 0 Atk
- Substitute
- Stored Power
- Recover
- Calm Mind

Clefable @ Leftovers
Ability: Magic Guard
EVs: 252 HP / 92 Def / 4 SpA / 160 SpD
Bold Nature
- Moonblast
- Calm Mind
- Stealth Rock
- Soft-Boiled

Crawdaunt @ Life Orb
Ability: Adaptability
EVs: 252 Atk / 252 Spe
Jolly Nature
- Crabhammer
- Knock Off
- Swords Dance
- Superpower

Thundurus @ Leftovers
Ability: Prankster
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 30 HP / 0 Atk / 30 Def / 30 SpA / 30 SpD
- Thunder Wave
- Nasty Plot
- Hidden Power [Flying]
- Thunderbolt

Mew @ Leftovers
Ability: Synchronize
EVs: 252 HP / 132 Def / 124 Spe
Bold Nature
IVs: 0 Atk
- Will-O-Wisp
- Roost
- Taunt
- Defog