Chainer, Dementia Master + K'rrik, Son of Yawgmoth + Gray Merchant of Asphodel + Dimir House Guard

Chainer, Dementia Master
K'rrik, Son of Yawgmoth
Gray Merchant of Asphodel
Dimir House Guard

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. Dimir House Guard 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 Dimir House Guard by sacrificing Gray Merchant, regenerating it the next time it would die this turn.
  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 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.

K'rrik, Son of Yawgmoth
37.22% of 13095 decks 4874 decks
Chainer, Dementia Master
4.83% of 1575 decks 76 decks
New Cards
Ancient Cellarspawn
88% of 17 decks +78% synergy
Cruelclaw's Heist
81% of 161 decks +79% synergy
Withering Torment
42% of 24 decks +27% synergy
Demonic Counsel
29% of 38 decks +25% synergy
Valgavoth, Terror Eater
18% of 38 decks +13% synergy
Top Cards
Dark Ritual
97% of 5156 decks +86% synergy
Vilis, Broker of Blood
90% of 5155 decks +88% synergy
Blood Celebrant
89% of 5156 decks +89% synergy
Necrotic Ooze
88% of 5156 decks +87% synergy
Asmodeus the Archfiend
88% of 5115 decks +87% synergy
Reanimate
86% of 5156 decks +78% synergy
Skirge Familiar
84% of 5156 decks +83% synergy
Buried Alive
84% of 5156 decks +81% synergy
Peer into the Abyss
83% of 5145 decks +82% synergy
Bolas's Citadel
83% of 5155 decks +78% synergy
Creatures
Kutzil, Malamet Exemplar
100% of 3 decks +95% synergy
Vile Entomber
76% of 5127 decks +75% synergy
Blood Pet
76% of 5156 decks +75% synergy
Hoarding Broodlord
67% of 3679 decks +66% synergy
Dauthi Voidwalker
66% of 5127 decks +62% synergy
Sheoldred, the Apocalypse
65% of 4817 decks +62% synergy
Eternal Witness
64% of 14 decks +54% synergy
Fleshwrither
63% of 5156 decks +63% synergy
Balthor the Defiled
60% of 5156 decks +60% synergy
Orcish Bowmasters
59% of 3268 decks +53% synergy
Opposition Agent
58% of 5134 decks +54% synergy
Sidisi, Undead Vizier
54% of 5156 decks +53% synergy
Dockside Extortionist
50% of 22 decks +42% synergy
Esper Sentinel
45% of 11 decks +36% synergy
Spore Frog
36% of 14 decks +34% synergy
Sakura-Tribe Elder
36% of 14 decks +27% synergy
Birds of Paradise
36% of 14 decks +23% synergy
Grim Servant
35% of 949 decks +34% synergy
Razaketh, the Foulblooded
34% of 5155 decks +32% synergy
Baleful Strix
33% of 12 decks +30% synergy
Phyrexian Metamorph
33% of 12 decks +30% synergy
Thassa's Oracle
33% of 12 decks +30% synergy
Crypt Ghast
31% of 5156 decks +28% synergy
Haywire Mite
29% of 14 decks +27% synergy
Deathrite Shaman
29% of 14 decks +26% synergy
Llanowar Elves
29% of 14 decks +19% synergy
Braids, Arisen Nightmare
27% of 4817 decks +23% synergy
Talion, the Kindly Lord
27% of 11 decks +26% synergy
Dualcaster Mage
27% of 22 decks +25% synergy
Sun Titan
27% of 11 decks +22% synergy
Mulldrifter
25% of 12 decks +22% synergy
Delighted Halfling
25% of 12 decks +18% synergy
Viscera Seer
24% of 5156 decks +19% synergy
Accursed Marauder
24% of 551 decks +18% synergy
Mayhem Devil
23% of 22 decks +20% synergy
Imperial Recruiter
23% of 22 decks +20% synergy
Underrealm Lich
21% of 14 decks +21% synergy
Protean Hulk
21% of 14 decks +21% synergy
Satyr Wayfinder
21% of 14 decks +20% synergy
Wood Elves
21% of 14 decks +18% synergy
Cankerbloom
21% of 14 decks +18% synergy
Seedborn Muse
21% of 14 decks +18% synergy
Reclamation Sage
21% of 14 decks +16% synergy
Pontiff of Blight
21% of 5156 decks +20% synergy
Vito, Thorn of the Dusk Rose
20% of 5145 decks +17% synergy
Bloodletter of Aclazotz
19% of 2016 decks +17% synergy
Anger
18% of 22 decks +15% synergy
Carrion Feeder
16% of 5156 decks +14% synergy
Overeager Apprentice
15% of 5156 decks +15% synergy
Doomsday Excruciator
15% of 269 decks +15% synergy
Instants
Swords to Plowshares
82% of 11 decks +53% synergy
Entomb
74% of 5156 decks +71% synergy
Cabal Ritual
72% of 5156 decks +70% synergy
Vampiric Tutor
69% of 5156 decks +60% synergy
Saw in Half
59% of 4181 decks +57% synergy
Culling the Weak
58% of 5156 decks +56% synergy
Imp's Mischief
55% of 5156 decks +54% synergy
Sacrifice
54% of 5156 decks +54% synergy
Dismember
54% of 5156 decks +53% synergy
Deadly Rollick
54% of 5145 decks +48% synergy
Deflecting Swat
50% of 22 decks +42% synergy
Bitter Triumph
48% of 1889 decks +45% synergy
Cut Down
48% of 4817 decks +47% synergy
Path to Exile
45% of 11 decks +25% synergy
Assassin's Trophy
43% of 14 decks +36% synergy
Grasp of Darkness
42% of 5156 decks +42% synergy
Consuming Corruption
42% of 743 decks +41% synergy
Cyclonic Rift
42% of 12 decks +28% synergy
Snuff Out
37% of 5156 decks +36% synergy
Reprieve
33% of 9 decks +31% synergy
Force of Negation
33% of 12 decks +29% synergy
Force of Will
33% of 12 decks +28% synergy
Mystical Tutor
33% of 12 decks +26% synergy
Brainstorm
33% of 12 decks +23% synergy
Negate
33% of 12 decks +22% synergy
Burnt Offering
32% of 22 decks +31% synergy
Pyroblast
32% of 22 decks +29% synergy
Lightning Bolt
32% of 22 decks +27% synergy
Chaos Warp
32% of 22 decks +16% synergy
Rain of Filth
31% of 5156 decks +31% synergy
Fell the Profane
30% of 895 decks +23% synergy
Veil of Summer
29% of 14 decks +26% synergy
Shallow Grave
28% of 5156 decks +28% synergy
Mana Tithe
27% of 11 decks +26% synergy
Utter End
27% of 11 decks +26% synergy
Despark
27% of 11 decks +24% synergy
Enlightened Tutor
27% of 11 decks +19% synergy
An Offer You Can't Refuse
27% of 11 decks +17% synergy
Infernal Grasp
27% of 5034 decks +23% synergy
Victim of Night
27% of 5156 decks +26% synergy
Mental Misstep
25% of 12 decks +22% synergy
Flusterstorm
25% of 12 decks +22% synergy
Mana Drain
25% of 12 decks +17% synergy
Fierce Guardianship
25% of 12 decks +16% synergy
Arcane Denial
25% of 12 decks +16% synergy
Counterspell
25% of 12 decks +4% synergy
Defile
24% of 5155 decks +22% synergy
Not Dead After All
22% of 2192 decks +20% synergy
Abrupt Decay
21% of 14 decks +19% synergy
Worldly Tutor
21% of 14 decks +15% synergy
Sorceries
Final Parting
76% of 5155 decks +75% synergy
Beseech the Queen
75% of 5156 decks +74% synergy
Diabolic Tutor
72% of 5156 decks +69% synergy
Demonic Tutor
72% of 5156 decks +60% synergy
Grim Tutor
64% of 5156 decks +61% synergy
Beseech the Mirror
62% of 2876 decks +59% synergy
Dark Petition
59% of 5156 decks +59% synergy
Insatiable Avarice
51% of 1322 decks +48% synergy
Sign in Blood
51% of 5156 decks +46% synergy
Toxic Deluge
48% of 5156 decks +40% synergy
Praetor's Grasp
48% of 5156 decks +47% synergy
Feed the Swarm
46% of 5139 decks +36% synergy
Gamble
45% of 22 decks +41% synergy
Imperial Seal
45% of 5156 decks +42% synergy
Mastermind's Acquisition
43% of 5155 decks +43% synergy
Unmarked Grave
41% of 5127 decks +40% synergy
Faithless Looting
36% of 22 decks +28% synergy
Eldritch Evolution
36% of 14 decks +34% synergy
Vandalblast
32% of 22 decks +24% synergy
Chain of Smog
29% of 5156 decks +28% synergy
Life // Death
29% of 14 decks +28% synergy
Night's Whisper
28% of 5156 decks +23% synergy
Jeska's Will
27% of 22 decks +19% synergy
Exsanguinate
27% of 5156 decks +24% synergy
Rise of the Witch-king
25% of 12 decks +24% synergy
Twinflame
23% of 22 decks +21% synergy
Blasphemous Act
23% of 22 decks +6% synergy
Thoughtseize
23% of 5156 decks +22% synergy
Diabolic Intent
22% of 5156 decks +17% synergy
Jarad's Orders
21% of 14 decks +21% synergy
Culling Ritual
21% of 14 decks +19% synergy
Cultivate
21% of 14 decks -0% synergy
Lively Dirge
21% of 1391 decks +20% synergy
Tendrils of Agony
20% of 5156 decks +20% synergy
Duress
19% of 5156 decks +18% synergy
Overmaster
18% of 22 decks +18% synergy
Yawgmoth's Will
18% of 5156 decks +17% synergy
Exhume
18% of 5156 decks +17% synergy
Bubbling Muck
18% of 5156 decks +17% synergy
Read the Bones
16% of 5156 decks +12% synergy
Coiling Rebirth
16% of 190 decks +14% synergy
Dimir Machinations
16% of 5156 decks +16% synergy
Persist
14% of 5127 decks +13% synergy
Razaketh's Rite
14% of 5155 decks +14% synergy
Infernal Plunge
14% of 22 decks +13% synergy
Victimize
13% of 5156 decks +7% synergy
Collective Brutality
11% of 5156 decks +11% synergy
Damnation
11% of 5156 decks +7% synergy
Mutilate
11% of 5156 decks +10% synergy
Dread Return
10% of 5156 decks +7% synergy
Utility Artifacts
Jet Medallion
80% of 5156 decks +77% synergy
Aetherflux Reservoir
65% of 5156 decks +61% synergy
Sensei's Divining Top
53% of 5156 decks +47% synergy
Wishclaw Talisman
50% of 5150 decks +47% synergy
The One Ring
36% of 3699 decks +27% synergy
Defense Grid
31% of 5156 decks +30% synergy
Lightning Greaves
25% of 5156 decks -0% synergy
Swiftfoot Boots
17% of 5156 decks -11% synergy
Bontu's Monument
15% of 5155 decks +13% synergy
Demon's Horn
14% of 5156 decks +13% synergy
Helm of Awakening
11% of 5156 decks +10% synergy
Ashnod's Altar
8% of 5156 decks +1% synergy
Staff of the Death Magus
8% of 5156 decks +8% synergy
Prism Ring
8% of 5156 decks +8% synergy
Phyrexian Altar
6% of 5156 decks +2% synergy
Expedition Map
6% of 5156 decks +2% synergy
Whip of Erebos
5% of 5156 decks +4% synergy
Enchantments
Animate Dead
80% of 5156 decks +75% synergy
Necropotence
69% of 5156 decks +66% synergy
Necromancy
61% of 5156 decks +60% synergy
Rhystic Study
58% of 12 decks +45% synergy
Heartless Summoning
57% of 5156 decks +56% synergy
Dance of the Dead
56% of 5156 decks +55% synergy
Smothering Tithe
55% of 11 decks +43% synergy
Mystic Remora
50% of 12 decks +41% synergy
Underworld Breach
41% of 22 decks +38% synergy
Blind Obedience
36% of 11 decks +33% synergy
Font of Agonies
30% of 5155 decks +30% synergy
Pestilence
30% of 5156 decks +29% synergy
Counterbalance
25% of 12 decks +24% synergy
Training Grounds
25% of 12 decks +24% synergy
Leshrac's Sigil
23% of 5156 decks +23% synergy
Sanguine Bond
21% of 5156 decks +18% synergy
Phyrexian Arena
20% of 5156 decks +12% synergy
Exquisite Blood
18% of 5156 decks +15% synergy
Meathook Massacre II
17% of 29 decks +13% synergy
Greed
15% of 5156 decks +14% synergy
The Meathook Massacre
13% of 5034 decks +10% synergy
Necrodominance
12% of 780 decks +11% synergy
Black Market Connections
8% of 4855 decks +2% synergy
Kaya's Ghostform
7% of 5155 decks +5% synergy
Leyline of the Void
7% of 5156 decks +6% synergy
Phyrexian Reclamation
7% of 5156 decks +5% synergy
Ripples of Undeath
5% of 743 decks +1% synergy
Underworld Dreams
5% of 5156 decks +4% synergy
Planeswalkers
Professor Onyx
31% of 5131 decks +30% synergy
Utility Lands
Nykthos, Shrine to Nyx
60% of 5156 decks +54% synergy
Urborg, Tomb of Yawgmoth
60% of 5156 decks +50% synergy
Ancient Tomb
54% of 5156 decks +44% synergy
Crystal Vein
48% of 5156 decks +47% synergy
Phyrexian Tower
46% of 5156 decks +42% synergy
Urza's Saga
45% of 5127 decks +38% synergy
Emergence Zone
41% of 5155 decks +39% synergy
Cabal Coffers
36% of 5156 decks +31% synergy
Lake of the Dead
35% of 5156 decks +35% synergy
Homeward Path
32% of 5156 decks +30% synergy
City of Traitors
27% of 5156 decks +26% synergy
Takenuma, Abandoned Mire
26% of 4942 decks +20% synergy
Bojuka Bog
24% of 5156 decks +8% synergy
Cabal Stronghold
23% of 5155 decks +21% synergy
Command Beacon
23% of 5156 decks +18% synergy
Reliquary Tower
23% of 5156 decks -6% synergy
Barbarian Ring
23% of 22 decks +22% synergy
Ramunap Ruins
18% of 22 decks +18% synergy
Blast Zone
14% of 5155 decks +13% synergy
Shizo, Death's Storehouse
14% of 5156 decks +11% synergy
Barren Moor
13% of 5156 decks +11% synergy
Castle Locthwain
11% of 5150 decks +9% synergy
Peat Bog
9% of 5156 decks +8% synergy
Radiant Fountain
9% of 5156 decks +7% synergy
Boseiju, Who Shelters All
8% of 5156 decks +8% synergy
Spymaster's Vault
8% of 895 decks +5% synergy
Witch's Cottage
8% of 5150 decks +6% synergy
Rogue's Passage
7% of 5156 decks -12% synergy
War Room
7% of 5134 decks +0% synergy
Strip Mine
7% of 5156 decks +4% synergy
Mishra's Factory
6% of 5156 decks +5% synergy
Mutavault
6% of 5156 decks +5% synergy
Blinkmoth Nexus
5% of 5156 decks +5% synergy
Vault of Whispers
5% of 5156 decks +3% synergy
Mana Artifacts
Sol Ring
98% of 5156 decks +14% synergy
Arcane Signet
66% of 5150 decks -6% synergy
Lotus Petal
59% of 5156 decks +52% synergy
Mana Vault
56% of 5156 decks +50% synergy
Jeweled Lotus
56% of 5134 decks +49% synergy
Mana Crypt
55% of 5156 decks +44% synergy
Talisman of Indulgence
55% of 22 decks +49% synergy
Chrome Mox
49% of 5156 decks +43% synergy
Mox Amber
45% of 5155 decks +41% synergy
Mind Stone
39% of 5156 decks +21% synergy
Talisman of Hierarchy
36% of 11 decks +31% synergy
Fellwar Stone
35% of 5156 decks +15% synergy
Grim Monolith
34% of 5156 decks +32% synergy
Talisman of Dominance
33% of 12 decks +26% synergy
Mox Diamond
33% of 5156 decks +28% synergy
Golgari Signet
29% of 14 decks +26% synergy
Orzhov Signet
27% of 11 decks +21% synergy
Rakdos Signet
27% of 22 decks +20% synergy
Dimir Signet
25% of 12 decks +17% synergy
Lion's Eye Diamond
20% of 5156 decks +18% synergy
Thought Vessel
19% of 5156 decks +2% synergy
Everflowing Chalice
19% of 5156 decks +14% synergy
Mox Opal
14% of 5156 decks +9% synergy
Prismatic Lens
10% of 5156 decks +8% synergy
Charcoal Diamond
10% of 5156 decks +7% synergy
Thran Dynamo
7% of 5156 decks +3% synergy
Throne of Eldraine
6% of 2091 decks +4% synergy
Lands
Caves of Koilos
73% of 11 decks +66% synergy
Blood Crypt
68% of 22 decks +59% synergy
Godless Shrine
64% of 11 decks +54% synergy
Llanowar Wastes
57% of 14 decks +52% synergy
Luxury Suite
55% of 22 decks +48% synergy
Sulfurous Springs
50% of 22 decks +46% synergy
Smoldering Marsh
50% of 22 decks +43% synergy
Overgrown Tomb
50% of 14 decks +41% synergy
Watery Grave
50% of 12 decks +40% synergy
Isolated Chapel
45% of 11 decks +39% synergy
Woodland Cemetery
43% of 14 decks +37% synergy
Gemstone Caverns
42% of 5156 decks +37% synergy
Talon Gates of Madara
39% of 551 decks +35% synergy
Mount Doom
38% of 21 decks +36% synergy
Temple of Malady
36% of 14 decks +32% synergy
Golgari Rot Farm
36% of 14 decks +32% synergy
Underground Sea
33% of 12 decks +30% synergy
Sunken Hollow
33% of 12 decks +25% synergy
Badlands
32% of 22 decks +29% synergy
Cavern of Souls
29% of 5156 decks +23% synergy
Bayou
29% of 14 decks +26% synergy
Undergrowth Stadium
29% of 14 decks +23% synergy
Brightclimb Pathway
27% of 11 decks +25% synergy
Fetid Heath
27% of 11 decks +25% synergy
Shineshadow Snarl
27% of 11 decks +25% synergy
Tainted Field
27% of 11 decks +24% synergy
Scrubland
27% of 11 decks +24% synergy
Haunted Ridge
27% of 22 decks +24% synergy
Dragonskull Summit
27% of 22 decks +20% synergy
Darkslick Shores
25% of 12 decks +24% synergy
Dimir Aqueduct
25% of 12 decks +21% synergy
Shipwreck Marsh
25% of 12 decks +20% synergy
Drowned Catacomb
25% of 12 decks +19% synergy
Morphic Pool
25% of 12 decks +18% synergy
Blackcleave Cliffs
23% of 22 decks +22% synergy
Tainted Peak
23% of 22 decks +21% synergy
Foreboding Ruins
23% of 22 decks +19% synergy
Blooming Marsh
21% of 14 decks +21% synergy
Necroblossom Snarl
21% of 14 decks +19% synergy
Tainted Wood
21% of 14 decks +19% synergy
Blightstep Pathway
18% of 22 decks +16% synergy
Temple of Malice
18% of 22 decks +15% synergy
Shadowblood Ridge
14% of 22 decks +11% synergy
Marsh Flats
12% of 5156 decks +0% synergy
Verdant Catacombs
11% of 5156 decks -1% synergy
Bloodstained Mire
10% of 5156 decks +0% synergy
Polluted Delta
10% of 5156 decks -1% synergy
Myriad Landscape
9% of 5156 decks -11% synergy
Command Tower
7% of 5156 decks -66% synergy
Prismatic Vista
7% of 5155 decks +1% synergy