OneMoreDreamer

I'm walking around a house when I become aware that I'm dreaming. I remember the task, "Declare that clapping your hands always changes one fundamental rule of the world. Test it out until you have visible results."
I give my declaration and begin clapping while continuing to walk. At first, nothing happens. Then, I notice that every time I move, a trail is left behind for a few seconds before disappearing. I continue clapping and find I can walk through objects with no resistance.
I continue walking and walk into a bathroom and look into the mirror. Looking at my reflection, I begin losing lucidity as my appearance begins morphing into an increasingly frightening image.