User blog comment:ElementQueen/What Creature Would You Be?/@comment-4867780-20140910034017/@comment-4867780-20140911032906

Now I just have to find a way to fit Planeswalking somewhere, then I'll have the ideal power set with the ideal origin story ^ ^ Wait ! Since the shard drifted aimlessly for eons probably through many different planes (no properties of its own to anchor it anywhere), it stands to reason than this migrating ability would also be inherited by the hybrid lifeform it would become.

Still credible ? I does sound like it.