Anobaith, Oracle of Doom

Flying, Menace, Entice (Whenever this creature leaves the battlefield, each opponent reveals the top card of their library, if it's a nonland card, they put it into their hand and you may exile target creature that player controls, otherwise, you draw a card)
At the beginning of your opponents endstep if they sacrificed a nonland permanent , you may draw a card and lose 3 life
{2}{b}{x}: Each opponent sacrifices a nonland permanent with mana value X