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Solution: Make an Ubers OU and Ubers UU, ban the upper half of OU into Ubers UU (Magearna, Lando T, Greninja, Clefable, Tapu Koko, Megagross, G-Darm, Tornadus, Toxapex, etc), and drop "shitty" ubers Pokemon (Deoxys, Palkia, Kyurem-W, Genesect, Pheromosa, Landorus, Zekrom, Shaymin-Sky, Darkrai, Mega-Lucario, Blaziken, etc.) into the tier.
This way OU can remain at a reasonable power level, and you can reasonably use the outclassed Ubers