Sheogorath the Mad God

Indestructible
{t}{1}{w/b}{w/b}: Roll an 8-sided die, then if you get a
1, everyone wins the game.
2, everyone gains 5 life.
3, target player loses 5 life.
4, exile the top card of each player's library.
5, exile the bottom card of each player's library.
6, you lose 5 life.
7, everyone loses 5 life.
8, everyone loses the game.