Widespread Brutality [War of the Spark]

Set: War of the Spark Type: Sorcery Rarity: Rare Cost: {1}{B}{R}{R} Amass 2, then the Army you amassed deals damage equal to its power to each non-Army creature. (To amass 2, put two +1/+1 counters on an Army you control. If you don't control one, create a 0/0 black Zombie Army creature token first.)