Volcarona

Volcarona @ Firium Z / Mago Berry
Ability: Flame Body
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Heat Wave
- Bug Buzz / Giga Drain
- Quiver Dance
- Protect

you need timid to outspeed ludicolo in rain at +1

Volcarona @ Mago Berry
Ability: Flame Body
EVs: 252 HP / 96 Def / 52 SpA / 108 Spe
Modest Nature
IVs: 0 Atk
- Overheat / Heat Wave
- Rage Powder
- Tailwind
- Protect

252 Atk Tough Claws Charizard-Mega-X Flare Blitz vs. 252 HP / 96 Def Volcarona: 316-373 (84.4 - 99.7%) -- guaranteed 2HKO
outspeeds breloom, dump in spa