Chainer, Dementia Master + K'rrik, Son of Yawgmoth + Gray Merchant of Asphodel + Spawning Pit

Chainer, Dementia Master
K'rrik, Son of Yawgmoth
Gray Merchant of Asphodel
Spawning Pit

Requires
Chainer, Dementia Master must be on the battlefield. K'rrik, Son of Yawgmoth must be on the battlefield. Gray Merchant of Asphodel must be on the battlefield. Spawning Pit must be on the battlefield. Your life total is at least ten. Your devotion to black is at least ten or you have at least two opponents.
Steps
  1. Activate Spawning Pit's first ability by sacrificing Gray Merchant, putting a charge counter on it.
  2. Activate Chainer by paying nine life, returning Gray Merchant from your graveyard to the battlefield as a Nightmare in addition to its other creature types.
  3. Gray Merchant enters the battlefield, causing each opponent to lose life equal to your devotion to black and causing you to gain life equal to the amount of life lost this way.
  4. Repeat.
Results
Infinite charge counters on Spawning Pit. Infinite death triggers. Infinite ETB. Infinite lifegain. Infinite lifegain triggers. Infinite lifeloss. Infinite LTB. Infinite sacrifice triggers. Put all creature cards from all graveyards onto the battlefield under your control.

Chainer, Dementia Master
3.13% of 1660 decks 52 decks
K'rrik, Son of Yawgmoth
0.08% of 14145 decks 12 decks
Yawgmoth, Thran Physician
0.04% of 5611 decks 2 decks
Balthor the Defiled
0.34% of 591 decks 2 decks
Kokusho, the Evening Star
0.24% of 845 decks 2 decks
Lobelia, Defender of Bag End
0.46% of 219 decks 1 decks
Mikaeus, the Unhallowed
0.07% of 1365 decks 1 decks
Syr Konrad, the Grim
0.02% of 4648 decks 1 decks
Liliana, Heretical Healer
0.03% of 3343 decks 1 decks
Elas il-Kor, Sadistic Pilgrim
0.02% of 6522 decks 1 decks
Shadowheart, Dark Justiciar // Agent of the Iron Throne
0.78% of 128 decks 1 decks
Glarb, Calamity's Augur
0.02% of 5476 decks 1 decks
Drivnod, Carnage Dominus
0.09% of 1137 decks 1 decks
Tinybones, Trinket Thief
0.02% of 5080 decks 1 decks
Nashi, Moon Sage's Scion
0.22% of 462 decks 1 decks
Endrek Sahr, Master Breeder
0.07% of 1353 decks 1 decks
Sauron, the Dark Lord
0.00% of 21811 decks 1 decks
Captain N'ghathrod
0.01% of 12705 decks 1 decks
New Cards
Withering Torment
79% of 14 decks +59% synergy
Demonic Counsel
19% of 16 decks +15% synergy
Enduring Tenacity
16% of 19 decks +12% synergy
High Synergy Cards
Viscera Seer
86% of 86 decks +77% synergy
Buried Alive
67% of 86 decks +62% synergy
Crypt Ghast
60% of 86 decks +56% synergy
Cabal Coffers
64% of 86 decks +53% synergy
Carrion Feeder
58% of 86 decks +53% synergy
Altar of Dementia
56% of 86 decks +53% synergy
Feed the Swarm
70% of 86 decks +52% synergy
Ashnod's Altar
57% of 86 decks +49% synergy
Jet Medallion
52% of 86 decks +49% synergy
Vilis, Broker of Blood
51% of 86 decks +48% synergy
Top Cards
Dark Ritual
64% of 86 decks +42% synergy
Massacre Wurm
51% of 86 decks +47% synergy
Entomb
51% of 86 decks +44% synergy
Animate Dead
51% of 86 decks +42% synergy
Solemn Simulacrum
51% of 86 decks +37% synergy
Noxious Gearhulk
50% of 86 decks +47% synergy
Accursed Marauder
50% of 24 decks +41% synergy
Reanimate
49% of 86 decks +33% synergy
Phyrexian Altar
45% of 86 decks +41% synergy
Plaguecrafter
45% of 86 decks +40% synergy
Creatures
Zulaport Cutthroat
43% of 86 decks +33% synergy
Blood Artist
43% of 86 decks +31% synergy
Warren Soultrader
42% of 26 decks +35% synergy
Soldevi Adnate
42% of 86 decks +41% synergy
Disciple of Bolas
40% of 86 decks +37% synergy
Kokusho, the Evening Star
38% of 86 decks +37% synergy
Ayara, First of Locthwain
38% of 86 decks +35% synergy
Vile Entomber
38% of 85 decks +36% synergy
Grim Haruspex
37% of 86 decks +33% synergy
Nirkana Revenant
35% of 86 decks +33% synergy
Mindslicer
33% of 86 decks +32% synergy
Abhorrent Overlord
33% of 86 decks +32% synergy
Sidisi, Undead Vizier
31% of 86 decks +30% synergy
Ravenous Chupacabra
31% of 86 decks +27% synergy
Syr Konrad, the Grim
31% of 86 decks +22% synergy
Fleshbag Marauder
30% of 86 decks +26% synergy
Meteor Golem
29% of 86 decks +27% synergy
Bog Witch
28% of 86 decks +28% synergy
Grim Servant
27% of 26 decks +26% synergy
Grave Titan
27% of 86 decks +25% synergy
Stitcher's Supplier
27% of 86 decks +24% synergy
Yawgmoth, Thran Physician
27% of 86 decks +23% synergy
Braids, Arisen Nightmare
26% of 74 decks +18% synergy
Dimir House Guard
24% of 86 decks +24% synergy
Sheoldred, Whispering One
23% of 86 decks +18% synergy
Pitiless Plunderer
23% of 86 decks +16% synergy
Wurmcoil Engine
22% of 86 decks +20% synergy
Mikaeus, the Unhallowed
22% of 86 decks +19% synergy
Disciple of Griselbrand
21% of 86 decks +21% synergy
Corpse Connoisseur
21% of 86 decks +21% synergy
Necrotic Ooze
21% of 86 decks +20% synergy
Yahenni, Undying Partisan
21% of 86 decks +18% synergy
Sepulchral Primordial
20% of 86 decks +18% synergy
Rune-Scarred Demon
20% of 86 decks +17% synergy
Asmodeus the Archfiend
19% of 84 decks +18% synergy
Archon of Cruelty
19% of 85 decks +16% synergy
Dread Presence
19% of 86 decks +17% synergy
Butcher of Malakir
17% of 86 decks +14% synergy
Burnished Hart
17% of 86 decks +13% synergy
Illuminor Szeras
16% of 67 decks +16% synergy
Skirge Familiar
16% of 86 decks +15% synergy
Razaketh, the Foulblooded
16% of 86 decks +14% synergy
Vein Ripper
16% of 32 decks +13% synergy
Junji, the Midnight Sky
15% of 79 decks +12% synergy
Blood Celebrant
15% of 86 decks +14% synergy
Doom Whisperer
15% of 86 decks +13% synergy
Harvester of Souls
15% of 86 decks +13% synergy
Gonti, Lord of Luxury
15% of 86 decks +13% synergy
Angel of Suffering
14% of 78 decks +13% synergy
Blood Pet
14% of 86 decks +13% synergy
Instants
Defile
31% of 86 decks +28% synergy
Infernal Grasp
27% of 84 decks +20% synergy
Imp's Mischief
26% of 86 decks +23% synergy
Vampiric Tutor
24% of 86 decks +6% synergy
Fell the Profane
23% of 26 decks +12% synergy
Tragic Slip
20% of 86 decks +16% synergy
Village Rites
20% of 86 decks +10% synergy
Malakir Rebirth
17% of 86 decks +9% synergy
Deadly Rollick
17% of 86 decks +7% synergy
Hostile Negotiations
17% of 65 decks +16% synergy
Culling the Weak
15% of 86 decks +11% synergy
Deadly Dispute
14% of 84 decks +3% synergy
Saw in Half
13% of 67 decks +10% synergy
Sacrifice
13% of 86 decks +12% synergy
Songs of the Damned
13% of 86 decks +12% synergy
Corrupted Conviction
12% of 48 decks +7% synergy
Consuming Corruption
12% of 25 decks +10% synergy
Cabal Ritual
12% of 86 decks +7% synergy
Sheoldred's Edict
11% of 56 decks +8% synergy
Baleful Mastery
11% of 85 decks +8% synergy
Sudden Spoiling
10% of 86 decks +9% synergy
Go for the Throat
9% of 86 decks +2% synergy
Bitter Triumph
9% of 33 decks +5% synergy
Supernatural Stamina
7% of 86 decks +5% synergy
Soul Shatter
7% of 86 decks +4% synergy
Withering Boon
6% of 86 decks +5% synergy
Mausoleum Secrets
6% of 86 decks +5% synergy
Doom Blade
6% of 86 decks +4% synergy
Snuff Out
6% of 86 decks +3% synergy
Lethal Scheme
5% of 78 decks +4% synergy
Sorceries
Sign in Blood
45% of 86 decks +36% synergy
Toxic Deluge
45% of 86 decks +28% synergy
Victimize
43% of 86 decks +31% synergy
Mutilate
40% of 86 decks +38% synergy
Living Death
33% of 86 decks +27% synergy
Persist
29% of 85 decks +27% synergy
Read the Bones
29% of 86 decks +21% synergy
Unmarked Grave
27% of 85 decks +24% synergy
Diabolic Tutor
26% of 86 decks +19% synergy
Demonic Tutor
26% of 86 decks +3% synergy
Night's Whisper
24% of 86 decks +15% synergy
Exsanguinate
23% of 86 decks +18% synergy
Diresight
21% of 19 decks +18% synergy
Bubbling Muck
21% of 86 decks +20% synergy
Damnation
21% of 86 decks +13% synergy
Diabolic Intent
21% of 86 decks +12% synergy
Dread Return
20% of 86 decks +15% synergy
Torment of Hailfire
17% of 86 decks +13% synergy
Syphon Mind
15% of 86 decks +12% synergy
Insatiable Avarice
14% of 29 decks +9% synergy
Incarnation Technique
13% of 85 decks +12% synergy
Stitch Together
12% of 86 decks +10% synergy
Final Parting
12% of 86 decks +10% synergy
Peer into the Abyss
10% of 86 decks +7% synergy
Ransack the Lab
9% of 86 decks +9% synergy
Dark Deal
9% of 86 decks +7% synergy
Agadeem's Awakening
9% of 86 decks +6% synergy
Grim Tutor
9% of 86 decks +5% synergy
Beseech the Mirror
8% of 39 decks +3% synergy
Life's Finale
7% of 86 decks +7% synergy
Dark Petition
7% of 86 decks +6% synergy
Unearth
7% of 86 decks +4% synergy
Bone Shards
6% of 85 decks +4% synergy
Beseech the Queen
6% of 86 decks +5% synergy
Black Sun's Zenith
6% of 86 decks +4% synergy
In Garruk's Wake
6% of 86 decks +3% synergy
Rise of the Dark Realms
6% of 86 decks +3% synergy
Imperial Seal
6% of 86 decks +0% synergy
Breach the Multiverse
6% of 53 decks +1% synergy
Utility Artifacts
Bolas's Citadel
42% of 86 decks +33% synergy
Expedition Map
40% of 86 decks +36% synergy
Swiftfoot Boots
40% of 86 decks +12% synergy
Lightning Greaves
30% of 86 decks +5% synergy
Wayfarer's Bauble
27% of 86 decks +17% synergy
Skullclamp
26% of 86 decks +13% synergy
Whip of Erebos
20% of 86 decks +16% synergy
Bontu's Monument
17% of 86 decks +15% synergy
Mesmeric Orb
14% of 86 decks +13% synergy
Nim Deathmantle
13% of 86 decks +12% synergy
Aetherflux Reservoir
12% of 86 decks +8% synergy
Collector's Vault
11% of 38 decks +9% synergy
Crucible of Worlds
10% of 86 decks +8% synergy
Wishclaw Talisman
9% of 86 decks +4% synergy
Sensei's Divining Top
9% of 86 decks +4% synergy
Mindcrank
8% of 86 decks +6% synergy
Palantír of Orthanc
7% of 42 decks +6% synergy
Perpetual Timepiece
7% of 86 decks +6% synergy
Panharmonicon
7% of 86 decks +3% synergy
The One Ring
6% of 52 decks -3% synergy
Enchantments
Phyrexian Arena
44% of 86 decks +29% synergy
Necropotence
35% of 86 decks +30% synergy
Necromancy
27% of 86 decks +24% synergy
Grave Pact
22% of 86 decks +18% synergy
Black Market Connections
20% of 75 decks +9% synergy
Dictate of Erebos
17% of 86 decks +14% synergy
Phyrexian Reclamation
15% of 86 decks +12% synergy
Tortured Existence
14% of 86 decks +12% synergy
Dance of the Dead
14% of 86 decks +12% synergy
Black Market
14% of 86 decks +9% synergy
Exquisite Blood
12% of 86 decks +7% synergy
Font of Agonies
10% of 86 decks +10% synergy
Oppression
10% of 86 decks +9% synergy
Dark Prophecy
10% of 86 decks +9% synergy
Bastion of Remembrance
10% of 86 decks +4% synergy
Out of the Tombs
10% of 67 decks +9% synergy
Cemetery Tampering
10% of 78 decks +9% synergy
The Meathook Massacre
10% of 84 decks +4% synergy
Oubliette
9% of 86 decks +8% synergy
Painful Quandary
8% of 86 decks +6% synergy
Strands of Night
7% of 86 decks +7% synergy
Leshrac's Sigil
6% of 86 decks +6% synergy
Waste Not
6% of 86 decks +4% synergy
Greed
6% of 86 decks +4% synergy
Sanguine Bond
6% of 86 decks +0% synergy
Planeswalkers
Liliana of the Dark Realms
14% of 86 decks +13% synergy
Liliana, Dreadhorde General
8% of 86 decks +5% synergy
Utility Lands
Urborg, Tomb of Yawgmoth
53% of 86 decks +44% synergy
Bojuka Bog
45% of 86 decks +15% synergy
Cabal Stronghold
43% of 86 decks +40% synergy
Phyrexian Tower
38% of 86 decks +30% synergy
Nykthos, Shrine to Nyx
34% of 86 decks +28% synergy
High Market
29% of 86 decks +26% synergy
Castle Locthwain
26% of 86 decks +20% synergy
Takenuma, Abandoned Mire
23% of 79 decks +12% synergy
Crypt of Agadeem
22% of 86 decks +21% synergy
Thespian's Stage
22% of 86 decks +20% synergy
Witch's Cottage
20% of 86 decks +16% synergy
Barren Moor
16% of 86 decks +13% synergy
Reliquary Tower
16% of 86 decks -13% synergy
War Room
15% of 86 decks +9% synergy
Lake of the Dead
14% of 86 decks +13% synergy
Deserted Temple
13% of 86 decks +12% synergy
Strip Mine
13% of 86 decks +10% synergy
Geier Reach Sanitarium
13% of 86 decks +9% synergy
Ghost Quarter
12% of 86 decks +9% synergy
Buried Ruin
12% of 86 decks +7% synergy
Ancient Tomb
12% of 86 decks +1% synergy
Vesuva
9% of 86 decks +8% synergy
Volrath's Stronghold
9% of 86 decks +8% synergy
Command Beacon
8% of 86 decks +3% synergy
Mortuary Mire
8% of 86 decks +3% synergy
Wasteland
7% of 86 decks +6% synergy
Emergence Zone
6% of 86 decks +3% synergy
Rogue's Passage
6% of 86 decks -14% synergy
Mana Artifacts
Sol Ring
88% of 86 decks +4% synergy
Arcane Signet
64% of 86 decks -8% synergy
Mind Stone
37% of 86 decks +20% synergy
Charcoal Diamond
33% of 86 decks +27% synergy
Fellwar Stone
30% of 86 decks +9% synergy
Caged Sun
21% of 86 decks +19% synergy
Thought Vessel
15% of 86 decks -2% synergy
Gauntlet of Power
14% of 86 decks +13% synergy
Mana Crypt
10% of 86 decks +2% synergy
Gilded Lotus
9% of 86 decks +6% synergy
Nyx Lotus
8% of 86 decks +7% synergy
Everflowing Chalice
8% of 86 decks +3% synergy
Jeweled Lotus
8% of 86 decks +2% synergy
Chrome Mox
8% of 86 decks +2% synergy
Lotus Petal
8% of 86 decks +1% synergy
Commander's Sphere
8% of 86 decks -7% synergy
Throne of Eldraine
8% of 38 decks +5% synergy
Sceptre of Eternal Glory
7% of 67 decks +6% synergy
Coldsteel Heart
7% of 86 decks +6% synergy
Mana Vault
7% of 86 decks +1% synergy
Extraplanar Lens
6% of 86 decks +5% synergy
Lands
Myriad Landscape
31% of 86 decks +12% synergy
Command Tower
9% of 86 decks -65% synergy
Demolition Field
9% of 65 decks +6% synergy