Destructive Rebirth

Choose a legendary creature in your graveyard. Each player sacrifices a number of permanents equal to that creature's converted mana cost. Return that creature from the graveyard to the battlefield.
"We refused to let our lady fall. The night drudged slowly onwards as the chanting of rituals rang out into the darkness. Then, in a flash, there she was. My brethren lay dead around me, yet my heart was filled with nothing but glee at the sight of my Queen."