I agree that Probopass deserves to move up at least one rank, but as with others, I don't believe it quite deserves low a. There is no denying the big nosed rock is an excellent rock setter and one of the best bulky pivots in NU. The slow Volt Switch it has access to allows it to give frail Pokemon like Jynx and Zangoose an easy switch in. This is incredibly useful, as you don't want these Pokemon taking much damage at all while they try to sweep (you need the health for an inevitable priority move or status damage in zangooses case). It checks many normal and flying Pokemon with ease thanks to its resistances, and is also a great answer to the two most threatening Pokemon in nu: Jynx and Scolipede. Unfortunately, the 4x weaknesses to fighting and ground, two of NUs most common attacking types, really hold it back from achieving as much as it could. As scorpdestroyer stated, it invites ground types in, as almost any ground type feels perfectly safe switching in on most of probopass's preferred moves, such as volt switch, power gem, thunder wave or even just switching in as probo lays rocks. You can never feel particularly safe with it if there's a ground type on the opponents team, as they can easily come in for free and cause an immediate threat. Its not hard to predict the switch out, so if they do that correctly, you are put at a massive disadvantage. Say for example a Golurk switches in as you set stealth rock, then you are immediately in a bad situation. It may just choose to set stealth rocks, so you can toxic it to start a timer. On the other hand, it might outright attack you with an earthquake, and bam dead Probopass (if you don't have sturdy activated). If you predict the earthquake and switch out to say, a braviary, he may very well predict this play and go for the banded iron fist ice punch. Now your braviary is dead. You see how quickly a situation can turn bad if you don't play carefully with Probopass. This is the biggest flaw holding it back from low a for me. I think it should move to Top B. Roselia definitely also deserves to move up. Its great in the tier right now for multiple reasons. With the awesome special defense awarded to it by Eviolite and its natural good stats, Roselia is possibly the tiers best counter to some Pokemon such as Ampharos, Electabuzz and Shiftry. Its also a fantastic check to rain in general, beating Seismitoad with ease and taking ice beams from Ludicolo and Gorebyss without worry. Roselia is one of NUs big 3 spike setters along with Scolipede and Garbodor, and is arguably the best for full stall (its what I use). It is very good at its job in spike setting, and can usually guarantee at least a couple of layers. It, along with the other two setters, can also set toxic spikes, which is very useful on many teams, though usually you will only be running spikes. A fantastic ability in Natural Cure means that you will have a hard time wearing it down with status, especially seeing as it is immune to toxic anyway. It has reliable recovery in Synthesis, and Rest is arguably even better, as the sleep is cured upon switching out. A physically defensive set can be used as a good check to Pokemon like tauros without Zen Headbutt, and the surprise factor is often useful. It performs exceptionally well when paired with Alomomola, for many reasons. Roselia can take on all of the special electric and grass types that trouble the giant fish, while it beats most of the physical Pokemon that can do a number on Roselia, plus fire types. Alomomolas wish also fully heals Roselia thanks to the massive difference in HP, so that's extremely useful. I think Roselia is worthy of Low A instead of Probopass, especially if its fellow spiker garbodor is there, as I consider rose equal if not better.