Double Weather

Charizard-Mega-Y (M) @ Charizardite Y
Ability: Drought
Shiny: Yes
EVs: 4 Def / 252 SpA / 252 Spe
Timid Nature
- Fire Blast
- SolarBeam
- Focus Blast
- Roost

Tyranitar (M) @ Smooth Rock
Ability: Sand Stream
Shiny: Yes
EVs: 252 HP / 252 Def / 4 SpA
Relaxed Nature
- Stealth Rock
- Crunch
- Earthquake
- Ice Beam

Talonflame (F) @ Leftovers
Ability: Gale Wings
Shiny: Yes
EVs: 248 HP / 252 SpD / 8 Spe
Careful Nature
- Brave Bird
- Will-O-Wisp
- Taunt
- Roost

Excadrill (M) @ Life Orb
Ability: Sand Rush
Shiny: Yes
EVs: 4 HP / 252 Atk / 252 Spe
Adamant Nature
- Earthquake
- Iron Head
- Rock Slide
- Rapid Spin

Latios @ Life Orb
Ability: Levitate
Shiny: Yes
EVs: 4 HP / 252 SpA / 252 Spe
Timid Nature
- Draco Meteor
- Psyshock
- Thunderbolt
- Hidden Power [Fighting]

Keldeo @ Choice Scarf
Ability: Justified
EVs: 4 Def / 252 SpA / 252 Spe
Timid Nature
- Hydro Pump
- Scald
- Secret Sword
- Hidden Power [Electric]