Castform

Partner ideasfor Castform

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Pairing ideas, not prescriptions — ideas to test, with every reason traceable. Each card sums up what the partner does for Castform: 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.

What holds up

Every reason is derived from the pinned dataset, never written by hand
Coverage, resistances, and role gaps are calculated per pair
“On X% of teams” is counted from ranked play, not estimated

Still growing

Not exhaustive — partners that work exist beyond what these rules reach
Some pairings are theory or niche rather than something you meet on ladder
The order is a ranking heuristic; the reasons are the evidence, not the rank

Often paired (4)

Pelipper
WaterFlying
On 41% of Castform's ranked teams
Resists FightingHits Fighting super-effectively with HurricaneAdds team-wide guard support Adds weather control
Sableye
DarkGhost
On 27% of Castform's ranked teams
Immune to Fighting Adds anti-Trick Room pressureBreaks Ghost walls with Foul Play
Froslass
IceGhost
On 19% of Castform's ranked teams
Immune to Fighting Adds anti-Trick Room pressureBreaks Ghost walls with Poltergeist
Charizard
FireFlying
On 18% of Castform's ranked teams
Resists FightingHits Fighting super-effectively with HurricaneBreaks Steel walls with Heat Wave

Defensive glue (20)

Armarouge
FirePsychic
Hits Fighting super-effectively with Psychic
Resists Fighting Adds team-wide guard support Adds anti-Trick Room pressureBreaks Rock walls with Aura SphereBreaks Steel walls with Armor Cannon
Medicham
FightingPsychic
Hits Fighting super-effectively with Zen Headbutt
Resists Fighting Adds team-wide guard support Adds anti-Trick Room pressureBreaks Rock walls with Close CombatBreaks Steel walls with Close Combat
Hawlucha
FightingFlying
Hits Fighting super-effectively with Brave Bird
Resists Fighting Adds team-wide guard support Adds anti-Trick Room pressureBreaks Rock walls with Close CombatBreaks Steel walls with Close Combat
hisuian Zoroark
NormalGhost
Hits Fighting super-effectively with Psychic
Immune to Fighting Adds anti-Trick Room pressureBreaks Rock walls with Grass KnotBreaks Ghost walls with Shadow Ball
Mimikyu
GhostFairy
Hits Fighting super-effectively with Play Rough
Immune to Fighting Adds anti-Trick Room pressureBreaks Rock walls with Drain PunchBreaks Steel walls with Drain Punch
Annihilape
FightingGhost
Breaks Rock and Steel walls with Close Combat
Immune to Fighting Adds anti-Trick Room pressure Adds long-game durability
Gardevoir
PsychicFairy
Hits Fighting super-effectively with Moonblast
Resists Fighting Adds anti-Trick Room pressureBreaks Rock walls with Aura SphereBreaks Steel walls with Aura Sphere
Cofagrigus
Ghost
Breaks Rock and Ghost walls
Immune to Fighting Adds anti-Trick Room pressure Adds long-game durability
Reuniclus
Psychic
Hits Fighting super-effectively with Psychic
Resists Fighting Adds anti-Trick Room pressureBreaks Rock walls with Focus BlastBreaks Ghost walls with Shadow Ball
Runerigus
GroundGhost
Breaks Rock and Ghost walls
Immune to Fighting Adds anti-Trick Room pressure Adds long-game durability
galarian Slowbro
PoisonPsychic
Hits Fighting super-effectively with Psychic
Resists Fighting Adds anti-Trick Room pressureBreaks Rock walls with Drain PunchBreaks Steel walls with Flamethrower
jumbo Gourgeist
GhostGrass
Breaks Rock and Ghost walls
Immune to Fighting Adds anti-Trick Room pressure Adds long-game durability
also: Gourgeist (Large Variety), Gourgeist, Gourgeist (Small Variety)
Delphox
FirePsychic
Hits Fighting super-effectively with Future Sight
Resists Fighting Adds anti-Trick Room pressureBreaks Rock walls with Focus BlastBreaks Ghost walls with Foul Play
Chimecho
Psychic
Hits Fighting super-effectively with Future Sight
Resists Fighting Adds anti-Trick Room pressureBreaks Rock walls with Energy BallBreaks Ghost walls with Shadow Ball
Decidueye
GrassGhost
Hits Fighting super-effectively with Brave Bird
Immune to FightingBreaks Rock walls with Leaf BladeBreaks Ghost walls with Spirit Shackle
Sneasler
FightingPoison
Breaks Rock and Steel walls with Close Combat
Resists Fighting Adds team-wide guard support Adds anti-Trick Room pressure
also: Toxicroak
Talonflame
FireFlying
Hits Fighting super-effectively with Brave Bird
Resists Fighting Adds team-wide guard support Adds anti-Trick Room pressureBreaks Steel walls with Flare Blitz
Gallade
PsychicFighting
Breaks Rock and Steel walls with Sacred Sword
Resists Fighting Adds team-wide guard support Adds anti-Trick Room pressure
galarian Slowking
PoisonPsychic
Hits Fighting super-effectively with Psychic
Resists Fighting Adds anti-Trick Room pressure Adds long-game durabilityBreaks Steel walls with Flamethrower