Firbolg
Languages. As a mix of several other heritages, firbolg society teaches an eclectic mix of languages. You know Common, Giant, and Sylvan.
Firbolg Magic. The quiet, hidden societies of firbolgs teach certain magic to stay away from prying eyes. You can cast detect magic and disguise self with this trait, using Wisdom as your spellcasting ability for them. Once you cast either spell, you can't cast it again with this trait until you finish a short or long rest. When you use this version of disguise self, you can seem 3 feet shorter than normal, allowing you to blend more easily with other mortals.
Speech of Beast and Leaf. You have the ability to communicate in a limited manner with beasts and plants. they can understand the meaning of your words, though you have no special ability to understand them in return. You have advantage on all Charisma checks you make to influence them.