Unique. Palantír. If the bearer's company is ever below 4 characters and the company moves, discard. 5 marshalling points if stored in a Haven [H]. With its bearer able to use a Palantír, tap Palantír of Osgiliath to force the discard of any hazard permanent-event or to duplicate the effect of any Palantír in play. Bearer makes a corruption check.
"The chief and master of these was under the Dome of Stars at Osgiliath before its ruin."
-LotRIII