From Pathfinder Lost Omens Impossible Lands, which isn't enabled.

Nagaji Spell Mysteries

FEAT 5

Prerequisites at least one innate spell from a nagaji heritage or ancestry feat

You've learned more naga magic. During your daily preparations, choose Charm, Fleet Step, or Heal. You can cast the chosen spell as a 1st-rank occult innate spell once that day.

Pathfinder Lost Omens Impossible LandsOGL