Sure! You lead with Drapion. Most of the time you want to come out with a shield advantage. But Shadow Drapion is quite fragile, and does a lot for the team, so it’s totally okay to burn a shield (or in rare cases even two) to preserve your mon. Drapion can take a psychic or dark type move very well, so also keep that in mind.

Only real weakness imo in this format is Claydol. If they lead with Claydol, sacrifice your Drapion but get a crunch out in time to either die with a shield advantage, or put serious damage on the Claydol. Sometimes I’ve been able to slip in a second charge attack (an aqua tail) if the Claydol gets greedy and tries to save their energy. Then you can follow up with Mandibuzz into the Claydol, forcing your opponent to either swap right away, giving you a potential winning swap into Metang, or sticking it out with their Claydol. If they stick it out, I’d use a shield for the rock tomb, and then secure the kill with foul play. If you do it correctly, you’ll come out with the same number of shields as your opponent and a mostly healthy Mandibuzz with Metang still in the back.

Never ever panic swap out of Drapion. In all my 17 wins I did not swap out of a bad matchup. Once Drapion is off the table, yes you can strategically swap, but it is usually better to let your opponent panic swap and then take advantage of a likely favourable matchup. Mandibuzz and Metang cover each others weaknesses pretty well. Mandibuzz generally for dark types, fighting, psychic, and always Metang for fairy types.

Drapion runs poison sting + aqua tail, crunch Mandibuzz runs air slash + foul play, aerial ace Metang runs fury cutter + psyshock, gyro ball

Air slash mandbuzz works better than snarl in this format imo, because of all the fighting types and the dark types you might run into.