Charizard-Mega-Y @ Charizardite Y  
Ability: Drought  
EVs: 248 HP / 108 Def / 44 SpA / 108 Spe  
Modest Nature  
IVs: 0 Atk  
- Flamethrower  
- Toxic  
- Scorching Sands  
- Roost  

Cresselia (F) @ Leftovers  
Ability: Levitate  
EVs: 248 HP / 96 Def / 152 SpA / 12 Spe  
Bold Nature  
IVs: 0 Atk  
- Calm Mind  
- Ice Beam  
- Psyshock  
- Moonlight  

Kartana @ Grassium Z  
Ability: Beast Boost  
EVs: 80 HP / 128 Atk / 100 SpD / 200 Spe  
Jolly Nature  
- Leaf Blade  
- Synthesis  
- Knock Off  
- Defog  

Heatran @ Air Balloon  
Ability: Flash Fire  
EVs: 96 HP / 160 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Stealth Rock  
- Magma Storm  
- Taunt  
- Earth Power  

Tapu Fini @ Leftovers  
Ability: Misty Surge  
EVs: 252 HP / 136 Def / 56 SpD / 64 Spe  
Calm Nature  
IVs: 0 Atk  
- Whirlpool  
- Nature's Madness  
- Moonblast  
- Taunt  

Landorus-Therian (M) @ Choice Scarf  
Ability: Intimidate  
EVs: 88 HP / 188 Atk / 232 Spe  
Jolly Nature  
- Defog  
- Earthquake  
- U-turn  
- Hidden Power [Fire]