Dragon Mono

Garchomp @ Rocky Helmet
Ability: Rough Skin
EVs: 252 HP / 164 Def / 76 SpD / 16 Spe
Impish Nature
- Stealth Rock
- Earthquake
- Dragon Tail
- Fire Blast

Dragalge @ Choice Specs
Ability: Adaptability
EVs: 228 HP / 252 SpA / 28 Spe
Modest Nature
- Draco Meteor
- Sludge Wave
- Focus Blast
- Scald

Latios @ Life Orb
Ability: Levitate
EVs: 4 Def / 252 SpA / 252 Spe
Timid Nature
- Draco Meteor
- Psyshock
- Hidden Power [Fire]
- Defog

Charizard @ Charizardite X
Ability: Blaze
EVs: 252 Atk / 4 Def / 252 Spe
Jolly Nature
- Dragon Dance
- Flare Blitz
- Dragon Claw
- Roost

Kyurem-Black @ Choice Scarf
Ability: Teravolt
EVs: 252 Atk / 32 SpA / 224 Spe
Naive Nature
- Ice Beam
- Outrage
- Fusion Bolt
- Iron Head

Goodra @ Assault Vest
Ability: Sap Sipper
EVs: 240 HP / 252 SpA / 16 Spe
Modest Nature
- Draco Meteor
- Thunderbolt
- Sludge Wave
- Earthquake