Hi,
I tried this team and it's very nice but I have some devices. Use EVs: 244 HP / 28 SAtk / 236 SDef on amoonguss, with 28 spatk you can kill +2 keldeo's substitute and you have a major recover by regenerator. Then I found usefull psyshock>flamethrower on Slowbro. Last, you can use...