Zard Y + Heatran

Charizard-Mega-Y @ Charizardite Y
Ability: Drought
EVs: 4 Def / 252 SpA / 252 Spe
Timid Nature
IVs: 0 Atk
- Fire Blast / Flamethrower
- Solar Beam
- Focus Blast
- Roost

Heatran @ Grassium Z
Ability: Flash Fire
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Solar Beam
- Magma Storm
- Stealth Rock
- Earth Power

Tapu Koko @ Life Orb
Ability: Electric Surge
EVs: 4 Atk / 252 SpA / 252 Spe
Timid Nature
IVs: 30 Atk
- Hidden Power [Ice]
- Dazzling Gleam
- Thunderbolt
- Brave Bird

Landorus-Therian @ Choice Scarf
Ability: Intimidate
EVs: 252 Atk / 4 Def / 252 Spe
Jolly Nature
- Stone Edge
- Earthquake
- U-turn
- Superpower

Greninja @ Life Orb
Ability: Protean
EVs: 4 Atk / 252 SpA / 252 Spe
Naive Nature
- Ice Beam
- Hydro Pump
- Dark Pulse
- Gunk Shot

Tapu Fini @ Leftovers
Ability: Misty Surge
EVs: 248 HP / 192 Def / 16 SpD / 52 Spe
Calm Nature
IVs: 0 Atk
- Scald
- Moonblast
- Nature's Madness
- Defog