Balok, Eternity’s Nightmare

{9} Must be black mana.
Deathtouch, Flying
{2}{b}{r}{t}: Exile the top three cards of every
library, if a creature was exiled this way. You all
take damage equal to its power. If a instant or a sorcery was exiled this way, you gain life equal to
its converted mana cost. If a land was exiled this
way, you Scry 3.