BORROWED KNOWLEDGE

2nd-level divination
Casting Time: 1 Action
Range: Self
Components: V, S, M (a book worth at least 25 gp)
Duration: 1 hour
Usable By: Bard, Cleric, Warlock, Wizard

  You draw on knowledge from spirits of the past. Choose one skill in which you lack proficiency. For the spell’s duration, you have proficiency in the chosen skill. The spell ends early if you cast it again.

Strixhaven: A Curriculum of Chaos, page: 37