As an additional cost to cast this spell, sacrifice all permanents you control and discard your hand.
Target player loses 5 life.
10/4/2004 The sacrifice of all your permanents and discarding of your hand is part of the cost and is paid on casting. You do not have a choice to pay this cost zero times or more than one time in order to multiply the effect.
10/4/2004 As always, you can’t sacrifice things you do not control.