Phantom Force is learned by 23 species by level, 47 by machine and 1 by egg

Effect, in PokéAPI's words

“User vanishes, dodging all attacks, and hits next turn. Hits through Protect and Detect.”

Who learns it

47 species in all, 7 games

Scarlet and Violet: 40 species

Species	Method	Level
Drifblim	Level up, Machine	Evolve
Mismagius	Level up, Machine	1
Decidueye	Level up, Machine	1
Basculegion	Level up, Machine	1
Hoopa	Level up, Machine	35
Bramblin	Level up, Machine	35
Brambleghast	Level up, Machine	35
Phantump	Level up, Machine	36
Trevenant	Level up, Machine	36
Greavard	Level up, Machine	41
Golett	Level up, Machine	44
Golurk	Level up, Machine	46
Houndstone	Level up, Machine	46
Shuppet	Level up, Machine	48
Drakloak	Level up, Machine	48
Dragapult	Level up, Machine	48
Banette	Level up, Machine	53
Lunala	Level up, Machine	63
Flutter Mane	Level up, Machine	70
Haunter	Machine
Gengar	Machine
Mew	Machine
Misdreavus	Machine
Sableye	Machine
Duskull	Machine
Dusclops	Machine
Drifloon	Machine
Spiritomb	Machine
Dusknoir	Machine
Giratina	Machine
Arceus	Machine
Mimikyu	Machine
Sinistea	Machine
Polteageist	Machine
Spectrier	Machine
Ceruledge	Machine
Annihilape	Machine
Poltchageist	Machine
Sinistcha	Machine
Pecharunt	Machine

Brilliant Diamond and Shining Pearl: 5 species

Species	Method	Level
Drifblim	Level up	Evolve, 1
Banette	Level up	1, 64
Mismagius	Level up	1
Shuppet	Level up, Egg	54
Shedinja	Level up	64

Sword and Shield: 24 species

Species	Method	Level
Drifblim	Level up, Machine	Evolve, 1
Decidueye	Level up, Machine	1
Phantump	Level up, Machine	36
Trevenant	Level up, Machine	36
Golett	Level up, Machine	44
Golurk	Level up, Machine	46
Gourgeist	Level up, Machine	48
Drakloak	Level up, Machine	48
Dragapult	Level up, Machine	48
Yveltal	Level up, Machine	55
Dhelmise	Level up, Machine	60
Lunala	Level up, Machine	63
Shedinja	Level up, Machine	64
Gengar	Machine
Mew	Machine
Spiritomb	Machine
Giratina	Machine
Cofagrigus	Machine
Mimikyu	Machine
Marshadow	Machine
Sinistea	Machine
Polteageist	Machine
Runerigus	Machine
Spectrier	Machine

Ultra Sun and Ultra Moon: 14 species

Species	Method	Level
Banette	Level up	1, 64
Drifblim	Level up	1, 65
Mismagius	Level up	1
Gourgeist	Level up	1, 57
Decidueye	Level up	1
Hoopa	Level up	35
Shedinja	Level up	45
Phantump	Level up	45
Trevenant	Level up	45
Shuppet	Level up, Egg	54
Dhelmise	Level up	54
Yveltal	Level up	55
Lunala	Level up	61
Golurk	Level up	76

Sun and Moon: 13 species

Species	Method	Level
Banette	Level up	1, 64
Drifblim	Level up	1, 65
Mismagius	Level up	1
Gourgeist	Level up	1, 57
Hoopa	Level up	35
Shedinja	Level up	45
Phantump	Level up	45
Trevenant	Level up	45
Shuppet	Level up, Egg	54
Dhelmise	Level up	54
Yveltal	Level up	55
Lunala	Level up	61
Golurk	Level up	76

Omega Ruby and Alpha Sapphire: 11 species

Species	Method	Level
Banette	Level up	1, 64
Drifblim	Level up	1, 65
Mismagius	Level up	1
Golurk	Level up	1, 75
Gourgeist	Level up	1, 57
Hoopa	Level up	35
Shedinja	Level up	45
Phantump	Level up	45
Trevenant	Level up	45
Shuppet	Level up, Egg	54
Yveltal	Level up	55

X and Y: 10 species

Species	Method	Level
Drifblim	Level up	1, 65
Mismagius	Level up	1
Golurk	Level up	1, 75
Gourgeist	Level up	1, 57
Phantump	Level up	45
Trevenant	Level up	45
Hoopa	Level up	46
Shedinja	Level up	47
Yveltal	Level up	55
Shuppet	Egg