Target creature you control deals damage equal to its power to target creature or planeswalker you don’t control. If you control an Eldrazi, you gain 3 life.
With shifting forms and no angel to pray to, Innistrad's werewolves were especially susceptible to Emrakul's influence.
If either target is an illegal target as Horrific Assault tries to resolve, the creature you control won't deal damage. As long as either target is still legal and you control an Eldrazi, you'll still gain 3 life.
Random a card of Magic: The Gathering (MTG), but you can also roll the D20 dice, random a Planeswalker, have fun with the random rules and more.