School Savant

You have mastered the spells of a specific school and have gained benefits for casting spells of this type.

You choose a school of magic and  gain the following benefits

• Learn a cantrip of this school's type from any spell list. (This cantrip does not count against your number of cantrips known.)
• Your spell save DC for spells of this type increases by 1
• Once per short rest, you can impose disadvantage on 1 spell of your chosen school.