Mask of the Mimic | Magic: The Gathering
Formats Mask of the Mimic is Legal in
Official Oracle Text for Mask of the Mimic
Search your library for a card with the same name as target nontoken creature and put that card onto the battlefield. Then shuffle your library.
Official Rulings for Mask of the Mimic
10/4/2004 : You do not have to find a card if you do not want to.
10/4/2004 : If a copy card is targeted by this effect, you get to look for another copy of the card it is copying. This is because a copy card actually takes on the name and initial characteristics of what it copies.
4/15/2013 : You must sacrifice exactly one creature to cast this spell; you cannot cast it without sacrificing a creature, and you cannot sacrifice additional creatures.
4/15/2013 : Players can only respond once this spell has been cast and all its costs have been paid. No one can try to destroy the creature you sacrificed to prevent you from casting this spell.