The Hand of the Gods

Search target player's hand, library, and graveyard for up to ten nonland cards and exile them. Until end of turn, you may cast those cards without paying their mana costs. At the beginning of the your end step, you lose the game.
"They were fools, inherently flawed and playing God. Fighting their own insignificance. But their premeditated destruction was all-encompassing so they, too, fell through the cracks."