oB mk1 by SquirrelJuice19

Format: Commander

Commander: Ob Nixilis, the Fallen

Bracket: 3

DeckCheck Threat Index: 45

Deck overview

This deck is a classic Mono-Black Big Mana Control build that leverages land-based acceleration, mana multipliers, and heavy card draw to execute devastating drain spells. While Ob Nixilis, the Fallen provides steady life loss and grows into an imposing combat threat through landfall triggers, the deck's primary win condition revolves around producing overwhelming mana reserves using Cabal Coffers, Urborg, Tomb of Yawgmoth, Crypt Ghast, and Nirkana Revenant. It funnels this mana into table-wide game-ending sorceries like Torment of Hailfire and Exsanguinate, or accesses half its library through Peer into the Abyss. A potent removal suite anchored by Toxic Deluge, Damnation, and Deadly Rollick keeps opposing creature boards firmly suppressed. Cheap reanimation spells such as Reanimate and Animate Dead offer rapid engine recovery if key creatures are answered. The deck operates smoothly without heavy commander dependency, though it remains vulnerable to stack interaction and artifact-based strategies.

Decklist (100 cards)

  • 1 Animate Dead
  • 1 Arcane Signet
  • 1 Ayara, First of Locthwain
  • 1 Bloodletter of Aclazotz
  • 1 Bojuka Bog
  • 1 Burnished Hart
  • 1 Cabal Coffers
  • 1 Cabal Ritual
  • 1 Castle Locthwain
  • 1 Commander's Sphere
  • 1 Corrupt
  • 1 Crypt Ghast
  • 1 Damn
  • 1 Damnation
  • 1 Dark Ritual
  • 1 Deadly Dispute
  • 1 Deadly Rollick
  • 1 Defile
  • 1 Demonic Tutor
  • 1 Diabolic Intent
  • 1 Dread Presence
  • 1 Erebos, God of the Dead
  • 1 Expedition Map
  • 1 Exsanguinate
  • 1 Feed the Swarm
  • 1 Go for the Throat
  • 1 Gray Merchant of Asphodel
  • 1 Greed
  • 1 Grim Tutor
  • 1 Imp's Mischief
  • 1 Infernal Grasp
  • 1 Jet Medallion
  • 1 Kokusho, the Evening Star
  • 1 Lightning Greaves
  • 1 Mind Stone
  • 1 Necromancy
  • 1 Necropotence
  • 1 Night's Whisper
  • 1 Nirkana Revenant
  • 1 Nykthos, Shrine to Nyx
  • 1 Ob Nixilis, the Fallen
  • 1 Peer into the Abyss
  • 1 Phyrexian Arena
  • 1 Phyrexian Reclamation
  • 1 Pontiff of Blight
  • 1 Read the Bones
  • 1 Reanimate
  • 1 Reliquary Tower
  • 1 Retreat to Hagra
  • 1 Sangromancer
  • 1 Sanguine Bond
  • 1 Shizo, Death's Storehouse
  • 1 Sign in Blood
  • 1 Skullclamp
  • 1 Sol Ring
  • 1 Solemn Simulacrum
  • 29 Swamp
  • 1 Swiftfoot Boots
  • 1 Tendrils of Corruption
  • 1 Terrain Generator
  • 1 Thought Vessel
  • 1 Torment of Hailfire
  • 1 Toxic Deluge
  • 1 Urborg, Tomb of Yawgmoth
  • 1 Vampiric Tutor
  • 1 Venser's Journal
  • 1 Village Rites
  • 1 Walking Atlas
  • 1 Wayfarer's Bauble
  • 1 Whip of Erebos
  • 1 Witch's Clinic
  • 1 Yawgmoth, Thran Physician