I got a Fightinium Z Ambipom team w/ bulky Mega-Blastoise I've been messing around with on the ladder. I hope you at least get to test it out!
If hazards become a bit of a problem you can swap out refresh on Blastoise for rapid spin or trick on Lati for Defog. :]
https://pastebin.com/H83cY76E
(been a long time follower but only recently started being engaged w/ videos)