Cauldron of Chaos

At the beginning of your end step, roll a d6.
1 | Each opponent sacrifices a creature.
2 | Each opponent discards a card at random.
3 | Each opponent sacrifices a land.
4 | Each opponent loses 4 life.
5 | Each opponent mill four cards.
6 | Creatures your opponents control get -2/-2
until the end of the turn.