Mono Fire League

Darmanitan/Heh Bring it @ Choice Scarf
Ability: Sheer Force Shiny Yes
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Flare Blitz
- U-turn
- Rock Slide
- Earthquake

Charizard/Drago @ Charizardite Y
Ability: Blaze Shiny Yes
EVs: 4 Def / 252 SpA / 252 Spe
Timid Nature
- Fire Blast
- Solar Beam
- Dragon Pulse
- Roost

Volcanion @ Choice Specs
Ability: Water Absorb
EVs: 252 SpA / 252 SpD / 4 Spe
Modest Nature
- Steam Eruption
- Fire Blast
- Sludge Bomb
- Hidden Power Ice

Volcarona/Bug Beetle @ Firium Z
Ability: Flame Body
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature Shiny Yes
- Quiver Dance
- Fire Blast
- Giga Drain
- Hidden Power Ground

Heatran/Toppo @ Dragonium Z
Ability: Flash Fire Shiny Yes
EVs: 4 Spd / 252 SpA / 252 Spe
Timid Nature
- Lava Plume
- Earth Power
- Dragon Pulse
- Flash Cannon

Marowak-Alola/Warrior Cry (F) @ Thick Club
Ability: Lightning Rod Shiny Yes
EVs: 212 HP / 252 Atk / 44 SpA
Adamant Nature
- Stealth Rock
- Shadow Bone
- Fire Punch
- Ice Beam