Lich Crown

Shroud, Indestructible.
Lich Crown is equipped to all Liches at all times.
When Lich Crown enters the battlefield, you lose
life equal to your life total. Equipped Lich has
"You don't lose the game for having 0 or less life.
If you would gain life, draw that many cards
instead. If you would be dealt damage, sacrifice
that many permanents instead. If you can't, you
lose the game. When Lich Crown is put into a
graveyard from the battlefield, you lose the game.