Bribed Thief

Bribe — You may have an opponent create two treasure tokens. If he or she does, you may
cast Bribed Thief without paying for its mana
cost.
Sacrifice a treasure token you control: Target
creature is hidden from other creatures you
don't control. (It cannot be target of any creatures
you don't control unless it attacked, blocked, or its
ability was triggered or activated this turn.)