Imperial Spy

Whenever Imperial Spy enters the battlefield, choose one - Look at the top card of target player's library. You may put that card into their graveyard ;or target opponent reveals his or her hand, choose a nonland card from among them, they lose life equal to that cards converted mana cost. You lose 5 life.
"Our navcharts and possible base sites have been rifled through, Han. I think it's pretty obvious