Mr. Uncompetitive
What makes us human?
I've never really used/played against Mandibuzz but it does indeed look like a solid answer to Ghostceus, has a decent enough amount of bulk to tank some other hits, and can break stall with access to Taunt which is always nice.
And on the subject of Gastrodon (a Pokemon I can say is something I've faced):
First off Thundurus-T is NOT everywhere
252 SpAtk Life Orb Thundurus-T Grass Knot vs 252 HP/248 SpDef Gastrodon (+SpDef) : 72.3% - 85.45%
2 hits to KO (with Leftovers)
Gastrodon's really only niche is countering Kyogre (I don't know if it can beat Mono-Attacker though...) and a few Pokemon that unfortunately lack the moves to be able to get around it, like...non SD Kabutops? Gastrodon really only counters Kyogre, that's about it. If Mandibuzz can counter the Pokemon it indeeds to counter (Ghostceus) and be able to accomplish various other tasks, then I see no reason for it not to be added (Not suggesting a tier because, again, I've never really used Mandibuzz)
And on the subject of Gastrodon (a Pokemon I can say is something I've faced):
What the hellComparing it to gastron isn't a real reason since gastrodon only has 1 uncommon weakness and can still do better againt pokemon like kyorge and thundorus-T.
Ofc it does better against kyogre that's the pokemon it's supposed to beat and right because thundurus t is everywhere
First off Thundurus-T is NOT everywhere
Secondly Thundurus-T usually beats out Gastrodon cause Grass Knot is generally a more viable option on it than HP Ice is (before you ask why, it's because of Groudon), and if you can imagine, Grass Knot is not something Gastro wants to take:| 66 | Thundurus-Therian | 1.02709% | 1151 | 1.388% | 942 | 1.423% |
252 SpAtk Life Orb Thundurus-T Grass Knot vs 252 HP/248 SpDef Gastrodon (+SpDef) : 72.3% - 85.45%
2 hits to KO (with Leftovers)
Gastrodon's really only niche is countering Kyogre (I don't know if it can beat Mono-Attacker though...) and a few Pokemon that unfortunately lack the moves to be able to get around it, like...non SD Kabutops? Gastrodon really only counters Kyogre, that's about it. If Mandibuzz can counter the Pokemon it indeeds to counter (Ghostceus) and be able to accomplish various other tasks, then I see no reason for it not to be added (Not suggesting a tier because, again, I've never really used Mandibuzz)