just hit rank 1 on the cross evolution ladder with this team: https://pokepast.es/bb3afc8024bc84e8, although I didn't build this one, credit goes to dark koopatrol. here are 2 replays:
https://replay.pokemonshowdown.com/gen9crossevolution-2116546571 vs number 2's alt
https://replay.pokemonshowdown.com/gen9crossevolution-2116550847 vs maker of the team in a mirror match
https://replay.pokemonshowdown.com/gen9crossevolution-2116546571 vs number 2's alt
https://replay.pokemonshowdown.com/gen9crossevolution-2116550847 vs maker of the team in a mirror match