I think the team comp is solid, I just don't know what sets to run on them.
Tapu Bulu @ Grassium Z
Ability: Grassy Surge
Level: 50
EVs: 252 HP / 252 Atk / 4 SpD
Adamant Nature
- Wood Hammer
- Horn Leech
- Stone Edge
- Protect
Tapu Koko @ Life Orb
Ability: Electric Surge...