Not only do you get rid of two cards from their hand, but you can also gain up to six life
We learned that substantially more than half of all opened boosters are not used in Limited play (aka Sealed and Draft)
Yawgmoth is the glue that holds this deck together and singlehandedly makes it playable

Aggravate Anger of the Gods Artistic Process Ashen Firebeast Ashling the Pilgrim Ashling, Flame Dancer Avengers Disassembled Balefire Dragon Barrage of Boulders Battle-Scarred Goblin Blasphemous Act Blazing Volley Bloodfire Colossus Bloodfire Dwarf Bloodfire Infusion Bloodfire Kavu Boiling Earth Bomb Squad Bonfire of the Damned Breath of Darigaaz Brotherhood's End Burn Down the House Burning of Xinye Calamitous Cave-In Calamity of Cinders Caldera Hellion Call Forth the Tempest Callous Sell-Sword Cataclysmic Prospecting Cave-In Cerebral Eruption Chain Reaction Chandra Nalaar Chandra's Flame Wave Chandra's Fury Chandra, Bold Pyromancer Chandra, Flame's Fury Chandra, Flamecaller Chandra, Pyrogenius Chaos Balor Cinderclasm City on Fire Collective Inferno Conductive Current Cosmotronic Wave Crowd's Favor Crush the Weak Dagger Caster Delayed Blast Fireball Desert Sandstorm Destructive Force Devastate Devastating Dreams Disaster Radius Earthquake Earthshaker End the Festivities Explosive Singularity Falling Star Fang Dragon Fast // Furious Fault Line Feint Fiery Confluence Fire Juggler Fire Magic Fire Tempest Flame Sweep Flame Wave Flamebreak

Rather than pumping up the army of Nazgl, Witch-King, Bringer of Ruin is simply just a great card in Commander
This deck can sometimes be challenging to play, but has the potential for some powerful turns if you play your cards in the right order