Gift of the Night Hag

You’ve learned some of the magic possessed by night hags, granting you the following benefits:

• You gain proficiency in Deception.
• You learn the magic missile spell. You can cast this spell without expending a spell slot. You can cast this spell in this way a number of times equal to your proficiency bonus, and you regain all expended uses when you finish a long rest. You can also cast this spell using spell slots you have.
• When you are forced to make a saving throw against a spell or other magical effect, you can use your reaction to give yourself advantage on the saving throw. You can use this feature a number of times equal to your proficiency bonus, and you regain all expended uses when you finish a long rest.