Shifty Doppelganger | Magic: The Gathering
Formats Shifty Doppelganger is Legal in
Official Oracle Text for Shifty Doppelganger
Official Rulings for Shifty Doppelganger
8/1/2008 : This card has received errata such that putting a creature card from your hand onto the battlefield is now optional. This means you no longer need a third-party to verify that you don't have any creature cards in your hand if you don't put something onto the battlefield.