mega chomp etc

Garchomp-Mega @ Garchompite
Ability: Rough Skin
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Swords Dance
- Earthquake
- Dragon Claw
- Fire Fang

Tyranitar @ Assault Vest
Ability: Sand Stream
EVs: 252 HP / 252 Atk / 4 SpD
Adamant Nature
- Stone Edge
- Pursuit
- Ice Punch
- Earthquake

Smeargle @ Focus Sash
Ability: Own Tempo
EVs: 252 Atk / 4 Def / 252 Spe
Jolly Nature
- Sticky Web
- Spore
- Explosion
- Stealth Rock

Naganadel @ Dragonium Z
Ability: Beast Boost
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Draco Meteor
- Sludge Wave
- Flamethrower
- Nasty Plot

Bisharp @ Dread Plate
Ability: Defiant
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Knock Off
- Iron Head
- Sucker Punch
- Swords Dance

Keldeo-Resolute @ Choice Scarf
Ability: Justified
EVs: 252 SpA / 4 SpD / 252 Spe
Modest Nature
IVs: 0 Atk
- Hydro Pump
- Secret Sword
- Scald
- Icy Wind