Two-Way Mirror

{t}: Flip a coin. If heads, capture target creature.
{3}: Release captured creature and flip a coin.
If heads, return it to play under owner's control.
If tails, return it under captor's control. Released
creatures may not be recaptured as long as they
remain in play. Any player may pay this cost.
Only one creature can be captured at a time.
Treat captured creatures as exiled. If Two-Way
Mirror is destroyed return captured creature to
it's owner's control.