End of Hours

Counter target spell unless its controller sacrifices two nonland permanents.
End the turn. (Exile all spells and abilities on the stack, including this card. Discard down to your maximum hand size. Damage wears off, and "this turn" and "until end of turn" effects end.)
Rhonas wept. And as he wept, his tears turned from heartbreak to rage, and Rhonas spat the foul name, his dying heart filled with fury and pain. "Nicol Bolas."