Luck Points: You have a number of luck points equal to your Proficiency Bonus. You regain all Luck Points when you finish a Long Rest.
Advantage: When you roll a d20 for any D20 Test, you can expend one Luck Point to give that roll Advantage.
Disadvantage: When a creature rolls a d20 for an attack roll against you, you can expend one Luck Point to give that roll Disadvantage.