You have advantage on wisdom saving throws, and you can learn 1 common language of your choice. (Such as elvish or Gnome, Not uncommon languages such as abyssal, infernal, or celestial.) 

You know the mage hand cantrip, and the hand is invisible when you cast the cantrip with this trait.

-When you reach 3rd level, you can cast the feather fall spell once with this trait, and you regain the ability to do so when you finish a long rest. When you reach 5th level, you can cast the hold person spell once with this trait, and you regain the ability to do so when you finish a long rest.

-Intelligence is your spellcasting ability for these spells. When you cast them with this trait, they don’t require components. 

+1 Intelligence, choose two other traits to add +1 to. Can't be the same trait twice. Proficiency in light armor and simple weapons.

Age

Gith reach adulthood in their late teens and live for about a century.

Size

Gith are taller and leaner than humans, with most a slender 6 feet in height.

Speed

Your base walking speed is 30 feet. 

Languages

You can speak, read, and write Common and Gith. 

Alignment

Githzarki as a society are lawful, some straying more towards good or evil while most fall back on lawful neutral like their githzerai ancestors. Their rigorous training in psychic and physical abilities requires an implacable mental discipline.