If it resolves, you'll follow its instructions and the targeted opponent will mill half of their library
Whether they'll be competitive is anyone's guess
Because it drains the life of every opponent as a free upkeep trigger, and converts that to scrying, you're always using it to set up your card draw
Finally, when he swings you can force the defender to sacrifice an artifact that triggers his second ability
Its easy to see these uncastable spells as leaving power on the table, but so far, results show that having the chance to play them is more likely to distract you from your singular, cyclical goal
While Ultimate Price and Go for the Throat are fringe players at this stage of Moderns lifespan, it is possible that the upgrade to Heartless Act gives existing black midrange decks that little push over the hump