Linus, Consigned to Wrath

When Linus, Consigned to Wrath enters the battlefield, roll a d20. All enemy creatures gain
-X/-X, where X is half of the result, rounded
down.
Linus, Consigned to Wrath's power is equal to
all creatures in opponent's graveyards.
{t}, Discard a card at random: Destroy target
creature.