Detect Magic

Duration: Concentration, up to 10 minutes.
For the duration, you sense the presence of
magic within 30 feet of you, and can use your
action to see an aura around any visible magical
creature or object, and the school of magic, if any.
This spell can penetrate most barriers, but is
blocked by: 1 foot of stone, 1 inch of common metal,
1 thin sheet of lead, or 3 feet or wood or dirt.