>>25278684Dark Pulse, Pursuit, Thief are your only options that I can think of.
You'll need Luxray for Drifblim, spam Discharge if you can.
Honestly OP, you could lean on Kadabra's speed and use psychic moves on Gengar, but Mismagius will fuck you.
So for the others, utilize that normal type immunity to ghost moves (do some research first just in case) and lean heavily on non-STAB coverage on that Buneary and your flying moves on Staravia.
It's also Diamond, which is far easier compared to Platinum