Heatiest Team of Heat

Tyranitar @ Tyranitarite
Ability: Sand Stream
EVs: 248 HP / 252 SpA / 8 SpD
Modest Nature
- Dark Pulse
- Ice Beam
- Earth Power
- Flamethrower

Chansey @ Eviolite
Ability: Natural Cure
EVs: 248 HP / 252 Def / 8 SpD
Bold Nature
- Wish
- Soft-Boiled
- Seismic Toss
- Thunder Wave

Excadrill @ Choice Band
Ability: Sand Rush
EVs: 224 HP / 252 Atk / 32 Spe
Adamant Nature
- Earthquake
- Iron Head
- Poison Jab
- Rock Slide

Garchomp @ Rocky Helmet
Ability: Rough Skin
EVs: 244 HP / 252 Def / 12 Spe
Impish Nature
- Stealth Rock
- Swords Dance
- Dragon Tail
- Earthquake

Jirachi @ Choice Scarf
Ability: Serene Grace
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Iron Head
- Body Slam
- Fire Punch
- Drain Punch

Latias @ Leftovers
Ability: Levitate
EVs: 248 HP / 252 SpA / 8 Spe
Calm Nature
- Defog
- Roost
- Draco Meteor
- Ice Beam