Balance attempt 2.0

Gastrodon @ Leftovers
Ability: Storm Drain
EVs: 252 HP / 112 Def / 144 SpD
Sassy Nature
- Curse
- Earthquake
- Scald
- Recover

Crawdaunt @ Choice Band
Ability: Adaptability
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Knock Off
- Crunch
- Crabhammer
- Aqua Jet

Charizard-Mega-X @ Charizardite X
Ability: Tough Claws
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Dragon Dance
- Roost
- Flare Blitz
- Dragon Claw

Excadrill @ Leftovers
Ability: Sand Rush
EVs: 252 Atk / 4 SpD / 252 Spe
Adamant Nature
- Toxic
- Earthquake
- Iron Head
- Rapid Spin

Tyranitar @ Choice Scarf
Ability: Sand Stream
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Pursuit
- Superpower
- Crunch
- Stone Edge

Tangrowth @ Rocky Helmet
Ability: Regenerator
EVs: 212 HP / 252 Def / 44 SpD
- Sleep Powder
- Giga Drain
- Knock Off
- Leech Seed