Mystique, Infiltrator

You may have Mystique, Infiltrator enter as a copy
of any creature on the battlefield with mana value
X or less, except it’s named Mystique,
Infiltrator and is a legendary Mutant
Shapeshifter in addition to its other types. Then, all
creatures with that creature's name and Mystique
become suspected.

{2}{b}, pay 2 life: Return Mystique from your
graveyard to your hand.