Manaphy @ Waterium Z
Ability: Hydration
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Surf
- Energy Ball
- Tail Glow
- Rain Dance

Greninja-Ash @ Choice Specs
Ability: Battle Bond
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
- Hydro Pump
- Dark Pulse
- U-turn
- Water Shuriken

This Water Spam core is based around the exceptional versatility of Manaphy and Ash-Greninja. Manaphy is here to totally destroy stall. It has Energy Ball to beat Tapu Fini which is a huge threat to Ash-Greninja. It can also setup a Z-Rain Dance to annoy offense teams. Manaphy struggles against Lati@s, Mew and other Psychic types that can take on Manaphy. Here comes Ash-Greninja. Ash-Greninja can destroy Lati@s, Mew and M-Metagross and can weaken threats like
Ferrothorn and Amoonguss with Dark Pulse. It has U-turn to pivot and Water Shuriken which is able to kill dangerous pokemons like Landorus-T and Pheromosa.
The best quality of this core is that Manaphy and Ash-Greninja can both break, clean and annoy every playstyles making this core very versatile and hard to face for every playstyles.