Source: Unearthed Arcana 39 - Feats for Races

Prerequisite: Human

You are filled with a determination that can draw the unreachable within your reach. You gain the following benefits:

• Increase one ability score of your choice by 1, to a maximum of 20.

• When you make an attack roll, an ability check, or a saving throw, you can do so with advantage. Once you use this ability, you can’t use it again until you finish a short or long rest.