Partner ideasfor Steelix
Pairing ideas, not prescriptions — ideas to test, with every reason traceable. Each card sums up what the partner does for Steelix: completing its plan, patching weaknesses, breaking walls — and how often the two already team up in ranked play. Downsides sit under the card, never hidden. Open a card’s Partnership Report for every reason.
Often paired (2)

Sinistcha
GrassGhostOn 12% of Steelix's ranked teams
Resists WaterImmune to FightingResists GroundResists Steelix's EarthquakeHits Water super-effectively with Matcha GotchaHits Ground super-effectively with Matcha Gotcha
Basculegion
WaterGhostOn 18% of Steelix's ranked teams
Resists FireResists WaterImmune to FightingHits Fire super-effectively with Wave CrashHits Ground super-effectively with Wave Crash
Plan partners (2)

Tyranitar
RockDarkMega Steelix's Sand Force powers Heavy Slam in Tyranitar's sand
Resists FireHits Fire super-effectively with Rock SlideHits Ground super-effectively with Ice PunchAdds weather control
Hippowdon
GroundMega Steelix's Sand Force powers Heavy Slam in Hippowdon's sand
Spicy Tech (3)

Emolga
ElectricFlyingSpeed Swap hands over its Speed
Resists FightingImmune to GroundImmune to Steelix's EarthquakeSteelix is immune to its DischargeHits Water super-effectively with DischargeHits Fighting super-effectively with Air Slash
Oranguru
NormalPsychicInstruct repeats the spread move
Hits Fighting super-effectively with Psychic
Heliolisk
ElectricNormalSituational tech: Electrify + Ground immunity
Immune to Water via Dry SkinSteelix is immune to its DischargeHits Water super-effectively with ThunderboltHits Ground super-effectively with Grass Knot
Defensive glue (17)

Wash Rotom
ElectricWaterCovers its Fire, Water and Ground weaknesses
Immune to Steelix's EarthquakeSteelix is immune to its DischargeHits Fire super-effectively with Hydro PumpHits Water super-effectively with ThunderboltHits Ground super-effectively with Hydro Pump
Fan Rotom
ElectricFlyingCovers its Fighting and Ground weaknesses
Immune to Steelix's EarthquakeSteelix is immune to its DischargeHits Water super-effectively with ThunderHits Fighting super-effectively with Air Slash
Araquanid
WaterBugCovers its Water, Fighting, Ground and Fire weaknesses
Resists Steelix's EarthquakeHits Fire super-effectively with LiquidationHits Ground super-effectively with LiquidationAdds long-game durability
Gyarados
WaterFlyingCovers its Fire, Water, Fighting and Ground weaknesses
Immune to Steelix's EarthquakeHits Fire super-effectively with WaterfallHits Water super-effectively with Power WhipHits Ground super-effectively with Waterfall
Mow Rotom
ElectricGrassCovers its Water and Ground weaknesses
Immune to Steelix's EarthquakeSteelix is immune to its DischargeHits Water super-effectively with Leaf StormHits Ground super-effectively with Leaf Storm
Noivern
FlyingDragonCovers its Fire, Water, Fighting and Ground weaknesses
Immune to Steelix's EarthquakeSteelix resists its BoomburstHits Fighting super-effectively with Hurricane
Eelektross
ElectricSpread-safe together for Earthquake and Discharge
Immune to Ground via LevitateHits Water super-effectively with Supercell SlamHits Ground super-effectively with Giga Drain
jumbo Gourgeist
GhostGrassCovers its Water, Fighting and Ground weaknesses
Resists Steelix's EarthquakeHits Fire super-effectively with Rock SlideHits Water super-effectively with Power WhipHits Ground super-effectively with Power WhipAdds long-game durabilityalso: Gourgeist (Large Variety), Gourgeist, Gourgeist (Small Variety)

Pelipper
WaterFlyingCovers its Fire, Water, Fighting and Ground weaknesses

Altaria
DragonFlyingCovers its Fire, Water, Fighting and Ground weaknesses

Hydrapple
GrassDragonCovers its Water and Ground weaknesses
Resists Steelix's EarthquakeHits Fire super-effectively with Earth PowerHits Water super-effectively with Leaf StormHits Ground super-effectively with Leaf StormAdds long-game durability
Heat Rotom
ElectricFireCovers its Fire and Ground weaknesses
Immune to Steelix's EarthquakeSteelix is immune to its DischargeHits Water super-effectively with Thunderbolt
Appletun
GrassDragonCovers its Water, Ground and Fire weaknesses
Resists Steelix's EarthquakeHits Water super-effectively with Apple AcidHits Ground super-effectively with Apple Acid
Hawlucha
FightingFlyingCovers its Fighting and Ground weaknesses
Immune to Steelix's EarthquakeHits Fire super-effectively with Stone EdgeHits Fighting super-effectively with Brave Bird
Garbodor
PoisonSpread-safe together for 3 spread moves
Resists FightingHits Fire super-effectively with Stomping TantrumHits Water super-effectively with ThunderboltHits Fighting super-effectively with PsychicHits Ground super-effectively with Seed Bomb
Meganium
GrassCovers its Water and Ground weaknesses
Resists Steelix's EarthquakeHits Fire super-effectively with EarthquakeHits Water super-effectively with Leaf StormHits Fighting super-effectively with Dazzling GleamHits Ground super-effectively with Leaf StormAdds long-game durability
Decidueye
GrassGhostCovers its Water, Fighting and Ground weaknesses
Resists Steelix's EarthquakeHits Water super-effectively with Leaf BladeHits Fighting super-effectively with Brave BirdHits Ground super-effectively with Leaf Blade