Fey-Touched
Your creature type is Humanoid or Fey (your choice).
Blessing of the Trickster
Starting at 5th level, you can cast the Mirror Image spell with this trait. Once you cast this spell with this trait, you can’t cast that spell with it again until you finish a long rest. You can also cast this spell using any spell slot you have of the appropriate level.
Intelligence, Wisdom, or Charisma is your spellcasting ability for this spell when you cast it with this trait (choose when you select this race).