Partner ideasfor mega Houndoom
Pairing ideas, not prescriptions — ideas to test, with every reason traceable. Each card sums up what the partner does for Mega Houndoom: 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 (6)

Whimsicott
GrassFairyOn 31% of Mega Houndoom's ranked teams

Farigiraf
NormalPsychicOn 38% of Mega Houndoom's ranked teams
Hits Water super-effectively with ThunderboltHits Fighting super-effectively with Psychic
Torkoal
FireSets the sun Mega Houndoom needs via Drought
On 46% of Mega Houndoom's ranked teamsHits Rock super-effectively with Earth PowerAdds weather control
Sinistcha
GrassGhostOn 29% of Mega Houndoom's ranked teams
Resists WaterImmune to FightingResists GroundHits Water super-effectively with Matcha GotchaHits Ground super-effectively with Matcha GotchaHits Rock super-effectively with Matcha Gotcha
Venusaur
GrassPoisonOn 15% of Mega Houndoom's ranked teams
Resists WaterResists FightingHits Water super-effectively with Leaf StormHits Ground super-effectively with Leaf StormHits Rock super-effectively with Leaf Storm
Annihilape
FightingGhostOn 22% of Mega Houndoom's ranked teams
Immune to FightingResists RockHits Rock super-effectively with Close CombatAdds long-game durability
Spicy Tech (2)

jumbo Gourgeist
GhostGrassFighting immunity via Trick-or-Treat
Resists WaterImmune to FightingResists GroundHits Water super-effectively with Power WhipHits Ground super-effectively with Power WhipHits Rock super-effectively with Power Whipalso: Gourgeist (Large Variety), Gourgeist, Gourgeist (Small Variety)

Alcremie
FairyDecorate raises both attacking stats
Resists FightingHits Fighting super-effectively with Alluring Voice
Defensive glue (16)

Meganium
GrassCovers its Water and Ground weaknesses
Mega Houndoom resists its Petal BlizzardHits Water super-effectively with Leaf StormHits Fighting super-effectively with Dazzling GleamHits Ground super-effectively with Leaf StormHits Rock super-effectively with Leaf StormAdds long-game durability
Chesnaught
GrassFightingCovers its Water, Ground and Rock weaknesses
Hits Water super-effectively with Wood HammerHits Ground super-effectively with Wood HammerHits Rock super-effectively with Wood HammerAdds team-wide guard supportAdds long-game durability
Decidueye
GrassGhostCovers its Water, Fighting and Ground weaknesses
Hits Water super-effectively with Leaf BladeHits Fighting super-effectively with Brave BirdHits Ground super-effectively with Leaf BladeHits Rock super-effectively with Leaf Blade
hisuian Decidueye
GrassFightingCovers its Water, Ground and Rock weaknesses
Hits Water super-effectively with Leaf BladeHits Fighting super-effectively with Brave BirdHits Ground super-effectively with Leaf BladeHits Rock super-effectively with Close Combat
Torterra
GrassGroundCovers its Ground and Rock weaknesses
Hits Water super-effectively with Wood HammerHits Ground super-effectively with Wood HammerHits Rock super-effectively with Headlong RushAdds team-wide guard supportAdds long-game durability
Trevenant
GhostGrassCovers its Water, Fighting and Ground weaknesses
Hits Water super-effectively with Wood HammerHits Ground super-effectively with Wood HammerHits Rock super-effectively with Wood Hammer
Gallade
PsychicFightingCovers its Fighting and Rock weaknesses
Hits Water super-effectively with Leaf BladeHits Ground super-effectively with Leaf BladeHits Rock super-effectively with Sacred SwordAdds team-wide guard support
Hydrapple
GrassDragonCovers its Water and Ground weaknesses
Hits Water super-effectively with Leaf StormHits Ground super-effectively with Leaf StormHits Rock super-effectively with Leaf StormAdds long-game durability
Sceptile
GrassCovers its Water and Ground weaknesses
Hits Water super-effectively with Leaf StormHits Ground super-effectively with Leaf StormHits Rock super-effectively with Leaf StormAdds team-wide guard support
Slowking
WaterPsychicCovers its Water and Fighting weaknesses
Hits Fighting super-effectively with PsychicHits Ground super-effectively with ScaldHits Rock super-effectively with ScaldAdds long-game durability
Starmie
WaterPsychicCovers its Water and Fighting weaknesses
Hits Water super-effectively with ThunderboltHits Fighting super-effectively with PsychicHits Ground super-effectively with ScaldHits Rock super-effectively with Scald
Medicham
FightingPsychicCovers its Fighting and Rock weaknesses
Hits Fighting super-effectively with Zen HeadbuttHits Ground super-effectively with Ice PunchHits Rock super-effectively with Close CombatAdds team-wide guard support
Slowbro
WaterPsychicCovers its Water and Fighting weaknesses
Hits Fighting super-effectively with PsychicHits Ground super-effectively with Muddy WaterHits Rock super-effectively with Muddy WaterAdds long-game durability
Roserade
GrassPoisonCovers its Water and Fighting weaknesses
Hits Water super-effectively with Leaf StormHits Fighting super-effectively with Dazzling GleamHits Ground super-effectively with Leaf StormHits Rock super-effectively with Leaf Storm
Wash Rotom
ElectricWaterCovers its Water and Ground weaknesses
Hits Water super-effectively with ThunderboltHits Ground super-effectively with Hydro PumpHits Rock super-effectively with Hydro Pump
Mow Rotom
ElectricGrassCovers its Water and Ground weaknesses
Hits Water super-effectively with Leaf StormHits Ground super-effectively with Leaf StormHits Rock super-effectively with Leaf Storm