+2: target opponent exiles cards from the top of their library until they exile a nonland card. until end of turn, you may cast that card without paying its mana cost.
+1: each opponent exiles two cards from their hand.
−4: nicol bolas, god-pharaoh deals 7 damage to target opponent, creature an opponent controls, or planeswalker an opponent controls.
−12: exile each nonland permanent your opponents control.