Alfors, Over Taken

When Alfors, Over Taken enters the battlefield, all creatures with mana cost 6 or less that you control die.
{t}{10}{b}{b}{b}{b}{b}{b}{g}-Exile Alfors, Over Taken. You gain 20 health, draw 7 cards, and your opponent discards all their cards, sacrifices all their creatures, and discards half there deck.