Revelation

General feat(Prerequisite- level 4+, Intelligence 13+)

Ability Score Increase. Increase your Intelligence or Wisdom by 1 to a maximum of 20.

Enlightened. Choose a level 1 spell that can be casted as a ritual,  you always have that spell and the detect magic spells prepared as ritual spells. Once per long rest you can cast the command spell without expending a spell slot.