Wow, very scary, I love it, especially the material component. Inspired.
The time on it is a little short for that returning ability. I'd up it to 1 minute / level, or you'll be in combat with the caster of it for the duration of the spell.
Quote of the [insert timeframe here]: (Week? Perhaps! Year? Also maybe.)
"Those who have learned to walk on the threshold of the unknown worlds...may then with the fair white wings of Imagination hope to soar further into the unexplored amidst which we live."
-Augusta Ada Lovelace