Power to instantly grow or shed full body fur (no control over random color, pattern or length, and no species change).
This would come in handy if you were ever stranded, unprepared, in a temperate-to-cold wilderness.
The power to suddenly get very lethargic, tired, cold, and spaced out. (No, seriously. Someone help me out here. It's an annoying precursor to migraines.)
The power to apply telekenetic forces to objects. The equal and opposite reaction is applied directly to your brain.