Bond of Agony | Magic: The Gathering
Formats Bond of Agony is Legal in
Official Oracle Text for Bond of Agony
Each other player loses X life.
Official Rulings for Bond of Agony
5/1/2006 : You can choose an X that's equal to your life total. If you do, you'll pay that much life when the spell is cast and will lose the game before it resolves.
4/15/2013 : You must pay both X life and . For example, if you want each other player to lose 2 life when Bond of Agony resolves, you must pay and 2 life.