There is a Legacy version
here.
Witch Dedication Feat 2Archetype Dedication Multiclass Source Player Core pg. 222 2.0Archetype WitchPrerequisites Intelligence +2
You cast spells like a witch. Choose a patron; you gain a
familiar with two common cantrips of your choice from your chosen patron's tradition, but aside from the tradition, you don't gain any other effects the patron would usually grant. Your familiar gains the normal number of abilities for a familiar instead of those a witch familiar normally gets.
You gain the
Cast a Spell activity. You can prepare one cantrip each day from your familiar. You're trained in the spell attack modifier and spell DC statistics. Your key spellcasting attribute for witch archetype spells is Intelligence, and they are witch spells of your patron's tradition. You become trained in the skill associated with the patron's tradition; if you were already trained in it, you instead become trained in a skill of your choice
Witch Dedication Leads To...
Basic Witch Spellcasting,
Basic WitchcraftTraits
Archetype: This feat belongs to an archetype.
Dedication: You must select a feat with this trait to apply an archetype to your character.
Multiclass: Archetypes with the multiclass trait represent diversifying your training into another class’s specialties. You can’t select a multiclass archetype’s dedication feat if you are a member of the class of the same name.