Adding a few backgrounds with 4th level feats without ASI that feel it should be implemented as Origin feats:
Kineticist:
Ability scores: Int, Wis, Cha
Feat: Telekinetic(no ASI)
Skill: arcana, sleight of hands
tool: alchemist supplies
You are naturally kinetic or you were trained from young age at wizards school.
Telepath:
Ability scores: Int, Wis, Cha
Feat: Telepathic(no ASI)
Skills: Insight, Deception
tool: Disguise kit
From early age you found out that you can project thought into other people and even sometimes sense others thoughts,
You were recruited by thieves guild of government agents to be trained as a spy.
Fey Blooded
Ability scores: Int, Wis, Cha
Feat: Fey touched(no ASI)
Skils: Persuation, Deception
tool: musical instrument
You have trace of Fey in your bloodline
Shadow blooded:
Ability score: dex, int, cha
Feat: shadow touched(no ASI)
Skills: Stealth, Perception
tool: thieves tools
Shadow in your blood might guide you to work where might not be illegal, but requires a dose of subtlety to it.
Born leader:
Ability scores: Str, Wis, Cha
Feat: Inspiring leader(no ASI)
Skills: Persusasion, Intimidation
tool: music instrument
From childhood you were the ringleader for everything that was happening, for better or worse.