Xekian Spy

Reach
At the beginning of your turn, you may put this creature under your opponents control, it gains
this creature cannot attack or be sacrificed,
until end of turn. This creature comes back under
your control at the end of your turn
{3} Opponent this creature is controlled by reveals
his or her hand to you, this ability can
only be used when this creature is under an
opponents control and cannot be used by an
opponent