Go for the Throat in place of Victim of Night maybe and Lost Legacy for Infinite Obliteration is a possibility as well.

A singleton Arena, is good with phyrexian obliterator, Forces a fight and is just another swamp with urborg down.

CptZutii I'll try one. Thanks for the suggestion.

saturn999: in mono black devotion, Geralf's Messenger is mandatory for the same reasons as Strangleroot Geist in green stompy decks. its mana cost gets your devotion up, and the undying helps it stay up.

Chasmolinker: how are you exiling lands that produce red mana (or any mana for that matter) with Relic of Progenitus? it only exiles cards in graveyards. but the only lands that would be there are fetchlands. so i'm not sure how you could "exile all of his red mana sources"

saturn999 I understand where you're coming from. But the deck either curves into Gary draining for 10+ on turn 5 or it gives you off curve Geralf's Messenger and you wind up at 5 or less life because of it. At that point resolving Gary is the only out. But when you do go off, that resilient 3 devotion really adds up and swings the game back in your favor.

DankStompy It seems I left out some key details in that statement. I think he was using Grim Flayer and dumping his fetchable red sources in the graveyard. I'm trying to think back to it, but I think Relic of Progenitus was simply forcing him to exile every card in his yard including the lands. I landed a Surgical Extraction early on and hit all of his Verdant Catacombs. It eventually got to the point where he had no red shock lands in his deck and was only able to draw into red sources. I don't really remember the exact sequence to be honest. All I know is that the combination of Grim Flayer, Phyrexian Obliterator, Surgical Extraction, and Relic of Progenitus left him with no red mana in play or in his deck towards the end of the game.

Towards the end of the game he cracked a Bloodstained Mire and stated that he had no red mana left.

I would cut 2x Torment of Hailfire for 2x Phyrexian Arena.

I'd also cut all 4x Nykthos, Shrine to Nyx. In my experience the card does nothing more than mana screw. 4x Urborg is clearly here to offset it but your deck wants 5 to operate not 2 so having to check extra urborgs can also be a set back.

I think the 4th Gary is a necessity. Also while I understand if it's for budget reasons but Liliana of the Veil works great in MBD.

Lastly, it's a complete "win more" card but I've won games off the back of Whip of Erebos.

Appreciate the input APPLE01DOJ. I’m revisiting this deck after a long time away from the archetype. I’ve been jamming Jund and I got inspired to build this deck again after thumbing through my collection and stumbling across an old skeleton of the deck.

A 4th Gary makes sense. Liliana of the Veil could be tricky because she makes T3 really clunky with Geralf's Messenger and Lingering Souls. From what I remember anyways.

Torment of Hailfire acts as additional Garys no? More mana sinks for Nykthos, Shrine to Nyx. I could see cutting one Nykthos, Shrine to Nyx for a Liliana of the Veil