Cauldron of Chaos

At the beginning of your end step, roll a d6.
1 | Each opponent sacrifices a creature at random.
2 | Each opponent discards a card a random.
3 | Each opponent sacrifices a land at random.
4 | Each opponent loses 4 life.
5 | Each opponent mills four cards.
6 | Each opponent loses 2 life and sacrifices a permanent at random.