1 Valgavoth, Harrower Of Souls Like A Flame To A Moth Valgavoth offers something that's historically very difficult to find in red/black: consistent card draw
Finally, when he swings you can force the defender to sacrifice an artifact that triggers his second ability
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
Whether they'll be competitive is anyone's guess
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
Arbiter of Woe Rarity: Uncommon TYPE: Creature SUBTYPE: Demon CMC: 6 Mana cost: USD: $0.23 EUR: 0.18 TIX: 0.03 EDHREC RANK: 10288 (5/4) As an additional cost to cast this spell, sacrifice a creature