Is it possible to always make animations play differently?

Hey fellow developers,

So, I've been wondering... Is it possible to always play an animation differently? I'll explain:

Is it possible to have a base animation and slightly change some of its values with a Random.Range() or something of that sort?

Let's say I have an attack animation and I want to always make it look a little different so it's not too boring. Is this possible? If it is possible, any clue how? Because I got nothing...

Sorry if the question seemed confusing and thanks in advance!