Source: Unearthed Arcana 38 - Feats for Skills

You study the arcane arts, gaining the following benefits:

• Increase your Intelligence score by 1, to a maximum of 20.

• You gain proficiency in the Arcana skill. If you are already proficient in the skill, you add double your proficiency bonus to checks you make with it.

• You learn the Prestidigitation and Detect Magic spells. You can cast Detect Magic once without expending a spell slot, and you regain the ability to do so when you finish a long rest.