Groudon @ Leftovers
Ability: Drought
EVs: 240 HP / 108 Atk / 140 Def / 20 Spe
Impish Nature
- Precipice Blades
- Stone Edge / Rock Tomb
- Swords Dance / Bulk Up
- Heat Crash / Thunder Wave / Toxic / Roar

Zarude-Dada @ Leftovers  
Ability: Leaf Guard  
EVs: 252 HP / 252 Def / 4 SpD  
Impish Nature  
- Bulk Up  
- U-turn / Power Whip  
- Darkest Lariat  
- Synthesis / Jungle Healing