Araquanid moved from UU to RU
Blastoise moved from UU to RU
Clawitzer moved from UU to RU
Klefki moved from UU to RU
Lucario moved from UU to RU
Reuniclus moved from UU to RU
Sharpedo moved from UU to RU
Sirfetch’d moved from UU to RU
Slowbro-Galar moved from UU to RU
Umbreon moved from UU to RU
Zoroark moved from UU to RU
Lurantis moved from RU to NU
Magneton moved from RU to NU
Flapple moved from NU to PU
Morpeko moved from NU to PU
Bellossom moved from PU to ZU
Leafeon moved from PU to ZU
Stoutland moved from PU to ZU
Swoobat moved from PU to ZU
Literally every other Pokémon in the Lower Tiers: