I personally think Mega-Blastoise should go to A rank no lower than A-. He has an amazing set of moves, and is by far the best spinner in the teir since he has the ability to slaughter ghosts. I have had alot of success on the ladder with a Physically defensive mega blastoise (sorta like last gen but with more of a punch) He gained some great bulk while in mega, and still does quite a bit of dammage with his moves, all he needed was wish support (Unless you opt for rest talk ofc.) I used him on a spikes stacking semistall team where defog really wasn't an option. This is where he shines bulky or not. He can most of the time reliably spin, or just nuke something due to its wonderful ability. He is a good pokemon, just not one to throw onto every team like a suicune. For that he seems like a really good A rank candidate.
For those wondering heres that Blastoise set.
Blastoise @ Blastoisinite
Ability: Torrent
EVs: 252 Def / 252 HP / 4 SAtk
Bold Nature
- Scald
- Dark Pulse
- Rapid Spin
- Roar/ Toxic/ Protect