Ah so easiest set to abuse fone, drops a bit. I wouldn't think so far as two rank though. B- seemed alright but to each their own.
EDIT: ALSO, looking at C+ reminded me of something that was one of the larger injustices of the old thread (outside of Hippowdon of course).
Tangrowth for B Rank!
This is the Grass Hippowdon, with pure emphasis on Physical Defense where Hippowdon could go mixed if needed...except that changed this Gen. With the utility of being a Physical wall on the same scale as Hippowdon and capable of going mixed with AV, he surely secures a spot in B to B- ranking easily.
While mono grass is not neccesarily a stellar typing, with weaknesses to Fire, Ice, Flying, Bug, and Poison, it carries a few amazing resistances in tow in Ground, Electric, Water and Grass that help it sponge attacks from predominant threats (taking little from the Edgequake combo is quite glorious, no?).
This is further enhanced by his phenomenal Physical Bulk, being only rivaled by Hippowdon's in that department, as his bulk is capable of shrugging off Outrages when necessary and surviving the CB Close Combat of Terrakion. Yet Tangrowth also comes with one of the best defensive abilities; Regenrator. With a way to recover Residual damage outside of Leftovers, one may wonder why we aren't going for A- rank, and the answer lies in his paltry Special Bulk.
With a base stat of 50 for his Sp. Def, one may wonder why he should be considered for anything when he takes moderate damage from even resisted special attacks, but the answer lies in this Gens new toy, Assault Vest. He is capable of a great many feats, but now he can assume the role of a mixed tank. With his standard set, he is capable of bulk of 404 HP / 315 Def / 298 Sp Def, which allows the checking of so many threats. Now while he sacrifices his Physical Bulk, he does not sacrifice his healing abilities with AV as he can use either Giga Drain or Regenerator to patch that area up.
He is not set up bait for anyone really, as Base 100 Attacking stats make him very usable to retaliate with, and his coverage is quite great for Grass Type, with Earthquake, Power Whip, and Giga Drain with the mighty Knock Off. He is able to threaten so much and counter so many, that him being in C+ rank seems like an insult to his capabilities.
So once more, Tangrowth for B Rank!