Hey blunder. I watched your video on Balanced Hackmons. It seems you have difficulties in the tier concerning: Regenerator. I know it may be difficult to give it another chance but if you're willing to try it again, I'd recommend this team which is very good vs most RegenVest mons: https://pokepast.es/f3367e141eabc5a9.
https://pokepast.es/b02094c567c70753