hey blunder, this Dark Z Kingambit team of mine just peaked 1920 ELO in national dex (#3 on the ladder)! It is extremely destructive while still maintaining a good defensive core with slowbro & treads. You use kingambits Z to obliterate stuff like corv & alo after an SD.
https://pokepast.es/5cff9ebaa4cc032a
https://pokepast.es/5cff9ebaa4cc032a
https://pokepast.es/5cff9ebaa4cc032a
https://pokepast.es/5cff9ebaa4cc032a


