When cast, choose one of the following options. While the spell lasts, you can end one option, and change to another.
You sprout gills and grow webbing between your fingers. You can breathe underwater and gain a swimming speed equal to your walking speed.
You transform your appearance. You decide what you look like, including: height, weight, facial features, sound of your voice, hair, color, etc. You can make yourself appear as a member of another race (but stats do not change). You can't
appear as a creature of a different size, and your basic shape stays the same. At any time for the duration of the spell, you can use an action to change your appearance in this way again.
You grow claws, fangs, spines, horns, or a different natural weapon of your choice. Your strikes deal 1d6 bludgeoning, piercing, or slashing damage (depending on the weapon). Finally, the weapon is magic, you are proficient with it, and you have a +1 bonus to the attack and damage rolls you make using it.