Take a look at this then, https://www.pokegoldfish.com/articles/counter-play-janine-s-attack-team . Not sure if it’s your kind of deck though (then again I don’t know you).
Well, I finally am part of Play! Pokémon now. Release the balloons. Yay hay hay.....improbablygonnasuckhelpmeplz-
Ya know, with the upcoming Sword and Shield sets coming soon,I hope they keep making GXes. They're pretty powerful.
Also, Miracle Twins has been fully revealed, which completes SM11, so it might be a little while until SM12.