Cephyr's Spy

As Cephyr's Spy enters the battlefield, an
opponent of your choice gains control of it.
Cephyr's Spy can't attack or block.
At the begining of each upkeep of Cephyr's Spy
controler, this player loses 1 hp and discards a
card at random.
{3}: Give control of Cephyr's Spy to any player
other than its owner.
"Shhhhh...."