You might use Dig into a cloud. :3
Items will never affect a Pokemon's eligibility for Sky Battles. Additionally, the following moves are banned:
Body Slam Bulldoze Dig Dive Earth Power Earthquake Electric Terrain Fire Pledge Fissure Flying Press Frenzy Plant Geomancy Grass Knot Grass Pledge Grassy Terrain Gravity Heat Crash Heavy Slam Ingrain Land's Wrath Magnitude Mat Block Misty Terrain Mud Sport Muddy Water Rototiller Seismic Toss Slam Smack Down Spikes Stomp Substitute Surf Thousand Arrows Thousand Waves Toxic Spikes Water Pledge Water Sport
Sky Battle (Bulbapedia)
Along with Pokemon, some moves and items are banned due to their ability to knock the Pokemon out of the sky. The following moves and items are banned for this reason: Iron Ball Gravity Smack Down Skill Swap Entrainment Gastro Acid Simple Beam Worry Seed
If you try to use dig then it says That move won't work well during a Sky Battle so hope I helped
Source Serebii
