The Truth

When Truth enters the battlefield, exile all creatures that were put into graveyards this turn. Then, each player loses life equal to the number of creatures they controlled that died this turn.

Whenever a creature or planeswalker dies, its controller may pay {3}.
If they don't, you draw a card and they exile the top card of their library.

"I am Truth. I am God. I am the world. I am you."