Commander Daily
Ob Nixilis, the Fallen

OB NIXILIS, THE FALLEN — Mid-Budget Commander Deck

Commander: Ob Nixilis, the Fallen

Created 28 July 2026

=========================================================== // OB NIXILIS, THE FALLEN — Mid-Budget Commander Deck // Commander: Ob Nixilis, the Fallen // Colors: Mono Black // Strategy: Landfall aggro-drain. Every land you play, a target // player loses 3 life and Ob gets +3/+3. With extra // land drops from artifacts and abilities, Ob grows // into a 20+ power flying Demon while opponents bleed // out. Finish with Exsanguinate or Torment of Hailfire // fuelled by Magus of the Coffers and Cabal Stronghold. // Estimated cost: ~$70-100 // ============================================================

landfallaggroMid
Mana Curve
25
0
6
1
18
2
13
3
14
4
6
5
6
6
1
7+
Color Pie
Black100% (82)

How to Play

============================================================ HOW TO PLAY ============================================================ THE CORE RULE — OB'S LANDFALL: Every time a land enters the battlefield under your control, you choose a player — they lose 3 life and Ob gets +3/+3. Always choose yourself? Never. Pick the most dangerous opponent, or whoever is closest to death. Turn 4 Ob into turn 5 with 2 extra land drops = Ob is a 9/9 and an opponent has lost 6 life before combat even begins. TURNS 1-3 — SET UP THE ENGINE: Priority order: Sol Ring / Charcoal Diamond / Arcane Signet first for mana, then Phyrexian Arena or Journeyer's Kite for card advantage. Jet Medallion makes almost every black spell cost one less — play it early. Expedition Map can grab Cabal Stronghold, Terrain Generator, or any utility land you need. Thaumatic Compass finds a basic Swamp each turn to keep your hand stocked, then eventually transforms into a maze that prevents non-legends from attacking you. TURN 4 — CAST OB NIXILIS: He arrives as a 3/3 flier. The NEXT land you play puts him at 6/6. Two more land drops and he's a 12/12 flier dealing 9 damage to opponents before attacks. Get him protected: use Deadly Rollick (free with commander in play) to clear blockers, or Imp's Mischief to redirect removal aimed at Ob back at the opponent's own creatures. EXTRA LAND DROPS — THE KEY ACCELERANT: Walking Atlas: tap to put a basic land from your hand into play. Two land drops per turn minimum. Terrain Generator: pay {1}, tap to put a basic land from hand into play tapped. Same effect on a land itself. Sword of the Animist: equip to Ob, attack, search for a basic Swamp and put it into play. One attack = extra landfall. Myriad Landscape: sacrifice it to put TWO Swamps into play. Two landfall triggers from one activation. 6 life drain, Ob gets +6/+6. Use it every game. Evolving Wilds + Terramorphic Expanse: sacrifice to fetch a Swamp. That's an ETB trigger for Ob on the fetch land AND another trigger when the Swamp enters. Two triggers per card. THE MANA ENGINE (finishing with X spells): Crypt Ghast: each Swamp produces an extra {B}. With 10 Swamps that's 20 black mana. He also has extort. Nirkana Revenant: same — Swamps produce double mana. Magus of the Coffers: tap + {B} = add {B} per Swamp. Cabal Stronghold: tap + {3} = add {B} per basic Swamp. Thespian's Stage can COPY Cabal Stronghold — two copies means enormous mana. With 15 Swamps and both: 30+ black mana. Bubbling Muck: sorcery, add {B} for each Swamp you tap this turn. Fire this off before a big Exsanguinate. Exsanguinate {X}{B}{B}: each opponent loses X life, you gain that much. At X=20 each opponent loses 20 life. Game over. Torment of Hailfire {X}{B}{B}: each opponent repeats X times: sacrifice a permanent, discard a card, OR lose 3 life. At X=10 opponents must sacrifice 10 permanents or lose 30. SACRIFICE PRESSURE: Grave Pact + Dictate of Erebos: whenever one of your creatures dies, EACH opponent must sacrifice a creature. Pair with Plaguecrafter (ETB: each player sacs a creature or planeswalker) and Chittering Witch's sacrifice ability. Butcher of Malakir is a flying Grave Pact on a creature. RETREAT TO HAGRA: Landfall enchantment. Each time a land enters, either put a -1/-1 counter on a target creature OR each opponent loses 1 life and you gain 1. Stack this with Ob's landfall for 4 life swing (3 Ob drain + 1 Hagra drain) per land drop, or use the -1/-1 mode to kill small creatures. WIN CONDITIONS: Primary: Ob grows to 20+ power and attacks through Rogue's Passage (unblockable) or Shizo (fear = unblockable by most). Secondary: Exsanguinate / Torment of Hailfire with 30+ mana. Backup: Gray Merchant of Asphodel drains for devotion (with Crypt Ghast, Nirkana Revenant, Nightmare in play = drain 8+). Nightmare scales with Swamp count — 15 Swamps = 15/15 flier. KEY RULES TO REMEMBER: Ob's trigger lets you choose ANY player — use it politically. Drain the player attacking you, or finish whoever is lowest. Deadly Rollick is free ONLY when Ob is on the battlefield. Snuff Out pays 4 life instead of mana — great when tapped out. Mutilate gives all creatures -X/-X where X = your Swamp count. With 12 Swamps = -12/-12 to everything. Your Nightmare (15/15) survives. Most other things do not. UPGRADE PATH (when budget allows): - Urborg, Tomb of Yawgmoth (~$12): all lands become Swamps, makes Cabal Stronghold and Mutilate even more powerful - Liliana of the Dark Realms (~$8): ultimate quadruples mana - Necropotence (~$10): trade life for cards, massive draw

Full Decklist

(100 / 200 cards)
Commander (1)
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Creatures (25)
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Artifacts (10)
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Instants (10)
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Sorceries (13)
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Enchantments (5)
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Lands (36)
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