Ob Nixilis, Captive Kingpin + Agatha's Soul Cauldron + Deathbringer Thoctar

Ob Nixilis, Captive Kingpin
Agatha's Soul Cauldron
Deathbringer Thoctar

Requires
Ob Nixilis, Captive Kingpin must be on the battlefield. Agatha's Soul Cauldron must be on the battlefield. Deathbringer Thoctar must be in exile (exiled by Agatha's Soul Cauldron). Ob Nixilis has at least one +1/+1 counter on it.
Steps
  1. Activate Ob Nixilis using Deathbringer Thoctar's ability by removing a +1/+1 counter from it, dealing 1 damage to an opponent.
  2. Ob Nixilis triggers, putting a +1/+1 counter on itself and exiling the top card of your library.
  3. Repeat.
Results
Exile your library. Infinite damage.

Ob Nixilis, Captive Kingpin
0.30% of 8248 decks 25 decks
Gev, Scaled Scorch
0.04% of 4709 decks 2 decks
Zagras, Thief of Heartbeats
0.17% of 601 decks 1 decks
Exava, Rakdos Blood Witch
0.25% of 396 decks 1 decks
Coram, the Undertaker
0.02% of 4130 decks 1 decks
Kraum, Ludevic's Opus // Reyhan, Last of the Abzan
0.36% of 279 decks 1 decks
Dargo, the Shipwrecker // Francisco, Fowl Marauder
0.73% of 137 decks 1 decks
Kresh the Bloodbraided
0.04% of 2694 decks 1 decks
High Synergy Cards
Walking Ballista
82% of 33 decks +79% synergy
All Will Be One
76% of 33 decks +73% synergy
Prosper, Tome-Bound
67% of 33 decks +64% synergy
Coruscation Mage
70% of 10 decks +64% synergy
Unstable Amulet
62% of 16 decks +61% synergy
Mayhem Devil
70% of 33 decks +60% synergy
Roiling Vortex
58% of 33 decks +56% synergy
Triskelion
52% of 33 decks +51% synergy
Reckless Fireweaver
55% of 33 decks +50% synergy
Party Thrasher
50% of 14 decks +48% synergy
Top Cards
Dark Ritual
67% of 33 decks +44% synergy
Orcish Bowmasters
58% of 33 decks +47% synergy
Rakdos Charm
52% of 33 decks +37% synergy
Kederekt Parasite
48% of 33 decks +47% synergy
Grapeshot
48% of 33 decks +44% synergy
Sensei's Divining Top
48% of 33 decks +43% synergy
Tibalt's Trickery
48% of 33 decks +43% synergy
Bedevil
48% of 33 decks +34% synergy
Deflecting Swat
48% of 33 decks +32% synergy
Kessig Flamebreather
45% of 33 decks +42% synergy
Creatures
Valgavoth, Harrower of Souls
60% of 5 decks +56% synergy
Blood Artist
45% of 33 decks +34% synergy
Firebrand Archer
42% of 33 decks +40% synergy
Thermo-Alchemist
39% of 33 decks +37% synergy
Birgi, God of Storytelling
39% of 33 decks +34% synergy
Marionette Apprentice
38% of 16 decks +30% synergy
Agate Instigator
38% of 8 decks +29% synergy
Stormfist Crusader
36% of 33 decks +33% synergy
Disciple of the Vault
33% of 33 decks +31% synergy
Urabrask
33% of 33 decks +30% synergy
Hedron Detonator
30% of 33 decks +29% synergy
Creeping Bloodsucker
30% of 33 decks +27% synergy
Kardur, Doomscourge
30% of 33 decks +24% synergy
Dockside Extortionist
30% of 33 decks +18% synergy
Iridescent Vinelasher
30% of 10 decks +27% synergy
Blood Seeker
27% of 33 decks +26% synergy
Fate Unraveler
27% of 33 decks +25% synergy
Dualcaster Mage
27% of 33 decks +22% synergy
Spear Spewer
21% of 33 decks +20% synergy
Footlight Fiend
18% of 33 decks +18% synergy
The Red Terror
18% of 33 decks +18% synergy
Pain Distributor
18% of 33 decks +17% synergy
Professional Face-Breaker
18% of 33 decks +9% synergy
Syr Konrad, the Grim
18% of 33 decks +9% synergy
Storm-Kiln Artist
18% of 33 decks +9% synergy
Unruly Catapult
17% of 30 decks +15% synergy
Soot Imp
15% of 33 decks +15% synergy
Goblin Arsonist
15% of 33 decks +15% synergy
Goblin Sharpshooter
15% of 33 decks +14% synergy
Mahadi, Emporium Master
15% of 33 decks +9% synergy
Dauthi Voidwalker
15% of 33 decks +7% synergy
Mirkwood Bats
15% of 33 decks +3% synergy
Ojer Axonil, Deepest Might
14% of 29 decks +11% synergy
Thermopod
12% of 33 decks +12% synergy
Rampaging Ferocidon
12% of 33 decks +11% synergy
Hoarding Broodlord
12% of 33 decks +10% synergy
Erebor Flamesmith
12% of 33 decks +10% synergy
Goblin Engineer
12% of 33 decks +9% synergy
Xorn
12% of 33 decks +8% synergy
Ragavan, Nimble Pilferer
12% of 33 decks +4% synergy
Viscera Seer
12% of 33 decks +3% synergy
Zulaport Cutthroat
12% of 33 decks +2% synergy
War Elemental
9% of 33 decks +9% synergy
Nightshade Harvester
9% of 33 decks +9% synergy
Murderous Redcap
9% of 33 decks +8% synergy
Runaway Steam-Kin
9% of 33 decks +7% synergy
Garna, Bloodfist of Keld
9% of 33 decks +7% synergy
Kediss, Emberclaw Familiar
9% of 33 decks +6% synergy
Electrostatic Field
9% of 33 decks +6% synergy
Kiki-Jiki, Mirror Breaker
9% of 33 decks +6% synergy
Instants
Vampiric Tutor
39% of 33 decks +21% synergy
Terminate
36% of 33 decks +16% synergy
Chaos Warp
36% of 33 decks +4% synergy
Gut Shot
27% of 33 decks +26% synergy
Deadly Rollick
27% of 33 decks +16% synergy
Abrade
27% of 33 decks +16% synergy
Bolt Bend
24% of 33 decks +21% synergy
Red Elemental Blast
24% of 33 decks +18% synergy
Flick a Coin
23% of 30 decks +22% synergy
Imp's Mischief
21% of 33 decks +18% synergy
Culling the Weak
21% of 33 decks +17% synergy
Cabal Ritual
21% of 33 decks +16% synergy
Lightning Bolt
21% of 33 decks +10% synergy
Spikefield Hazard
18% of 33 decks +17% synergy
Seething Song
18% of 33 decks +12% synergy
Entomb
18% of 33 decks +11% synergy
Tainted Pact
15% of 33 decks +11% synergy
Pyroblast
15% of 33 decks +9% synergy
Deadly Dispute
15% of 33 decks +4% synergy
Demand Answers
14% of 21 decks +7% synergy
Desperate Ritual
12% of 33 decks +10% synergy
Pyretic Ritual
12% of 33 decks +10% synergy
Big Score
12% of 33 decks +3% synergy
Burnt Offering
9% of 33 decks +7% synergy
Snuff Out
9% of 33 decks +7% synergy
Ad Nauseam
9% of 33 decks +6% synergy
Saw in Half
9% of 33 decks +6% synergy
Infernal Grasp
9% of 33 decks +2% synergy
Thrill of Possibility
9% of 33 decks -1% synergy
Sorceries
Demonic Tutor
52% of 33 decks +29% synergy
Feed the Swarm
45% of 33 decks +27% synergy
Blasphemous Act
45% of 33 decks +12% synergy
Jeska's Will
39% of 33 decks +22% synergy
Tectonic Hazard
38% of 26 decks +36% synergy
End the Festivities
33% of 33 decks +31% synergy
Diabolic Intent
33% of 33 decks +25% synergy
Vandalblast
33% of 33 decks +17% synergy
Gamble
30% of 33 decks +20% synergy
Reanimate
27% of 33 decks +12% synergy
Imperial Seal
24% of 33 decks +18% synergy
Mana Geyser
24% of 33 decks +18% synergy
Peer into the Abyss
21% of 33 decks +18% synergy
Vicious Rumors
18% of 33 decks +17% synergy
Twinflame
18% of 33 decks +15% synergy
Rite of Flame
15% of 33 decks +12% synergy
Night's Whisper
15% of 33 decks +6% synergy
Toxic Deluge
15% of 33 decks -2% synergy
Reckless Handling
12% of 33 decks +10% synergy
Dreadbore
12% of 33 decks +10% synergy
Chandra's Ignition
12% of 33 decks +8% synergy
Faithless Looting
12% of 33 decks -5% synergy
Burn Down the House
9% of 33 decks +8% synergy
Heat Shimmer
9% of 33 decks +8% synergy
Praetor's Grasp
9% of 33 decks +7% synergy
Beseech the Mirror
9% of 33 decks +5% synergy
Wheel of Fortune
9% of 33 decks +4% synergy
Buried Alive
9% of 33 decks +4% synergy
Diabolic Tutor
9% of 33 decks +3% synergy
Read the Bones
9% of 33 decks +1% synergy
Sign in Blood
9% of 33 decks -1% synergy
Utility Artifacts
Lightning Greaves
39% of 33 decks +14% synergy
Swiftfoot Boots
33% of 33 decks +5% synergy
Basilisk Collar
24% of 33 decks +21% synergy
Phyrexian Altar
24% of 33 decks +20% synergy
The One Ring
21% of 33 decks +12% synergy
Bontu's Monument
18% of 33 decks +16% synergy
Ashnod's Altar
15% of 33 decks +8% synergy
Wayfarer's Bauble
15% of 33 decks +5% synergy
Ruby Medallion
9% of 33 decks +6% synergy
Jet Medallion
9% of 33 decks +6% synergy
The Reaver Cleaver
9% of 33 decks +5% synergy
Bolas's Citadel
9% of 33 decks -0% synergy
Enchantments
Manabarbs
42% of 33 decks +40% synergy
Underworld Dreams
42% of 33 decks +40% synergy
Impact Tremors
36% of 33 decks +27% synergy
Underworld Breach
30% of 33 decks +24% synergy
Mortuary
21% of 33 decks +21% synergy
Passionate Archaeologist
18% of 33 decks +16% synergy
The Meathook Massacre
18% of 33 decks +13% synergy
Chthonian Nightmare
18% of 17 decks +15% synergy
Pestilence
15% of 33 decks +14% synergy
Pyrohemia
15% of 33 decks +14% synergy
Goblin Bombardment
15% of 33 decks +9% synergy
Theater of Horrors
12% of 33 decks +10% synergy
Revel in Riches
12% of 33 decks +9% synergy
Bastion of Remembrance
12% of 33 decks +6% synergy
Phyrexian Arena
12% of 33 decks -3% synergy
Uncivil Unrest
9% of 33 decks +7% synergy
Spiteful Visions
9% of 33 decks +6% synergy
Bitterblossom
9% of 33 decks +5% synergy
Necropotence
9% of 33 decks +4% synergy
Black Market Connections
9% of 33 decks -2% synergy
Planeswalkers
Chandra, Awakened Inferno
21% of 33 decks +20% synergy
Ob Nixilis, the Hate-Twisted
18% of 33 decks +17% synergy
Ob Nixilis of the Black Oath
9% of 33 decks +9% synergy
Ob Nixilis, the Adversary
9% of 33 decks +8% synergy
Utility Lands
Shivan Gorge
45% of 33 decks +44% synergy
Urborg, Tomb of Yawgmoth
33% of 33 decks +24% synergy
Leechridden Swamp
30% of 33 decks +29% synergy
Ancient Tomb
27% of 33 decks +17% synergy
Bojuka Bog
27% of 33 decks -3% synergy
Cabal Coffers
24% of 33 decks +13% synergy
Rogue's Passage
24% of 33 decks +5% synergy
Arena of Glory
23% of 13 decks +14% synergy
Takenuma, Abandoned Mire
18% of 33 decks +8% synergy
Sunscorched Desert
15% of 33 decks +15% synergy
Emergence Zone
15% of 33 decks +13% synergy
Command Beacon
12% of 33 decks +7% synergy
Urza's Saga
12% of 33 decks +5% synergy
Castle Embereth
9% of 33 decks +5% synergy
Shizo, Death's Storehouse
9% of 33 decks +4% synergy
Temple of the False God
9% of 33 decks -1% synergy
Mana Artifacts
Sol Ring
100% of 33 decks +16% synergy
Arcane Signet
85% of 33 decks +13% synergy
Talisman of Indulgence
64% of 33 decks +37% synergy
Rakdos Signet
55% of 33 decks +25% synergy
Fellwar Stone
48% of 33 decks +27% synergy
Jeweled Lotus
18% of 33 decks +12% synergy
Lion's Eye Diamond
15% of 33 decks +13% synergy
Chrome Mox
15% of 33 decks +9% synergy
Lotus Petal
15% of 33 decks +8% synergy
Mind Stone
15% of 33 decks -2% synergy
Mox Diamond
12% of 33 decks +8% synergy
Mana Vault
12% of 33 decks +6% synergy
Mana Crypt
12% of 33 decks +4% synergy
Mox Opal
9% of 33 decks +5% synergy
Cursed Mirror
9% of 33 decks +4% synergy
Commander's Sphere
9% of 33 decks -6% synergy
Lands
Command Tower
76% of 33 decks +2% synergy
Sulfurous Springs
64% of 33 decks +43% synergy
Luxury Suite
61% of 33 decks +34% synergy
Dragonskull Summit
61% of 33 decks +30% synergy
Smoldering Marsh
58% of 33 decks +25% synergy
Blood Crypt
58% of 33 decks +19% synergy
Bloodstained Mire
48% of 33 decks +38% synergy
Tainted Peak
42% of 33 decks +32% synergy
Raucous Theater
42% of 19 decks +29% synergy
Haunted Ridge
39% of 33 decks +23% synergy
Mount Doom
36% of 33 decks +29% synergy
Blightstep Pathway
33% of 33 decks +24% synergy
Shadowblood Ridge
33% of 33 decks +21% synergy
Foreboding Ruins
33% of 33 decks +17% synergy
Jagged Barrens
32% of 19 decks +27% synergy
Exotic Orchard
30% of 33 decks -5% synergy
Graven Cairns
27% of 33 decks +19% synergy
Rakdos Carnarium
27% of 33 decks +13% synergy
Badlands
24% of 33 decks +11% synergy
Temple of Malice
24% of 33 decks +10% synergy
Mana Confluence
21% of 33 decks +14% synergy
City of Brass
21% of 33 decks +13% synergy
Blackcleave Cliffs
18% of 33 decks +13% synergy
Gemstone Caverns
15% of 33 decks +10% synergy
Wooded Foothills
15% of 33 decks +5% synergy
Arid Mesa
15% of 33 decks +5% synergy
Polluted Delta
15% of 33 decks +4% synergy
Path of Ancestry
12% of 33 decks -9% synergy
Forbidden Orchard
9% of 33 decks +6% synergy
Prismatic Vista
9% of 33 decks +4% synergy
Canyon Slough
9% of 33 decks +3% synergy
Cavern of Souls
9% of 33 decks +2% synergy
Scalding Tarn
9% of 33 decks -2% synergy
Marsh Flats
9% of 33 decks -2% synergy
Verdant Catacombs
9% of 33 decks -2% synergy
Myriad Landscape
9% of 33 decks -10% synergy