Nim Deathmantle + Ashnod's Altar + Sek'Kuar, Deathkeeper

Nim Deathmantle
Ashnod's Altar
Sek'Kuar, Deathkeeper

Requires
Nim Deathmantle must be on the battlefield. Ashnod's Altar must be on the battlefield. Sek'Kuar, Deathkeeper must be on the battlefield. You control at least one additional nontoken creature.
Steps
  1. Activate Ashnod's Altar by sacrificing another nontoken creature, adding .
  2. When the creature dies, Sek'Kuar and Nim Deathmantle trigger.
  3. Resolve the Sek'Kuar trigger, creating a 3/1 Graveborn creature token with haste.
  4. Activate Ashnod's Altar by sacrificing the Graveborn, adding .
  5. Resolve the Nim Deathmantle trigger from step 2, causing you to pay 4 to return the sacrificed creature from your graveyard to the battlefield, and attach Nim Deathmantle to it.
  6. Repeat.
Results
Infinite death triggers. Infinite ETB. Infinite LTB. Infinite sacrifice triggers.

Sek'Kuar, Deathkeeper
2.95% of 1324 decks 39 decks
Slimefoot and Squee
0.09% of 7791 decks 7 decks
Prossh, Skyraider of Kher
0.06% of 5151 decks 3 decks
Kresh the Bloodbraided
0.08% of 2663 decks 2 decks
Korvold, Fae-Cursed King
0.01% of 15487 decks 1 decks
Bhaal, Lord of Murder
0.09% of 1174 decks 1 decks
Atogatog
0.08% of 1216 decks 1 decks
Xira, the Golden Sting
0.04% of 2275 decks 1 decks
Reaper King
0.02% of 5423 decks 1 decks
High Synergy Cards
Accursed Marauder
71% of 7 decks +62% synergy
Skullclamp
73% of 56 decks +61% synergy
Goblin Bombardment
64% of 56 decks +58% synergy
Reassembling Skeleton
57% of 56 decks +53% synergy
Viscera Seer
62% of 56 decks +53% synergy
Phyrexian Altar
55% of 56 decks +51% synergy
Zulaport Cutthroat
61% of 54 decks +51% synergy
Pawn of Ulamog
52% of 56 decks +50% synergy
Sakura-Tribe Elder
68% of 56 decks +49% synergy
Drivnod, Carnage Dominus
46% of 35 decks +42% synergy
Top Cards
Ignoble Hierarch
55% of 49 decks +29% synergy
Eternal Witness
54% of 56 decks +33% synergy
Blood Artist
53% of 55 decks +41% synergy
Victimize
50% of 56 decks +38% synergy
Pitiless Plunderer
49% of 53 decks +41% synergy
Warren Soultrader
45% of 11 decks +38% synergy
Marionette Apprentice
45% of 11 decks +38% synergy
Assassin's Trophy
45% of 53 decks +15% synergy
Grim Haruspex
43% of 54 decks +38% synergy
Wight of the Reliquary
42% of 12 decks +33% synergy
Creatures
Carrion Feeder
36% of 56 decks +31% synergy
Solemn Simulacrum
36% of 56 decks +22% synergy
Mahadi, Emporium Master
35% of 43 decks +28% synergy
Mayhem Devil
35% of 52 decks +25% synergy
Murderous Redcap
34% of 56 decks +32% synergy
Braids, Arisen Nightmare
33% of 43 decks +25% synergy
Birds of Paradise
32% of 56 decks +5% synergy
Sprouting Thrinax
30% of 56 decks +29% synergy
Mirkwood Bats
30% of 30 decks +18% synergy
Nether Traitor
29% of 56 decks +27% synergy
Grave Titan
27% of 56 decks +25% synergy
Harmonic Prodigy
27% of 49 decks +23% synergy
Reclamation Sage
26% of 54 decks +15% synergy
Shriekmaw
25% of 56 decks +22% synergy
Plaguecrafter
25% of 53 decks +19% synergy
Haywire Mite
24% of 38 decks +20% synergy
Bloodsoaked Champion
22% of 54 decks +21% synergy
Fleshbag Marauder
21% of 56 decks +18% synergy
Grumgully, the Generous
21% of 52 decks +19% synergy
Cult Conscript
21% of 43 decks +20% synergy
Squee, the Immortal
21% of 53 decks +19% synergy
Sifter of Skulls
20% of 54 decks +19% synergy
Meren of Clan Nel Toth
20% of 54 decks +17% synergy
Cankerbloom
20% of 35 decks +13% synergy
Wood Elves
20% of 56 decks +13% synergy
Elves of Deep Shadow
20% of 56 decks +9% synergy
Judith, the Scourge Diva
19% of 52 decks +18% synergy
Dockside Extortionist
19% of 52 decks +6% synergy
Purphoros, God of the Forge
19% of 54 decks +14% synergy
Puppeteer Clique
18% of 56 decks +16% synergy
Mikaeus, the Unhallowed
18% of 56 decks +15% synergy
Honest Rutstein
18% of 17 decks +9% synergy
Smothering Abomination
17% of 54 decks +15% synergy
Elvish Mystic
17% of 54 decks -1% synergy
Deathrite Shaman
16% of 55 decks +4% synergy
Persistent Specimen
16% of 49 decks +16% synergy
Chatterfang, Squirrel General
16% of 49 decks +11% synergy
Garna, Bloodfist of Keld
16% of 43 decks +14% synergy
Endrek Sahr, Master Breeder
16% of 56 decks +15% synergy
Siege-Gang Commander
16% of 56 decks +14% synergy
Putrid Goblin
15% of 52 decks +15% synergy
Midnight Reaper
15% of 53 decks +11% synergy
Mazirek, Kraul Death Priest
15% of 54 decks +11% synergy
Harvester of Souls
15% of 55 decks +12% synergy
Yavimaya Elder
14% of 56 decks +13% synergy
Gravecrawler
14% of 56 decks +12% synergy
Butcher of Malakir
14% of 56 decks +11% synergy
Llanowar Elves
14% of 56 decks -7% synergy
Yawgmoth, Thran Physician
13% of 52 decks +10% synergy
Whisper, Blood Liturgist
13% of 53 decks +12% synergy
Instants
Deadly Dispute
29% of 49 decks +17% synergy
Beast Within
29% of 56 decks -10% synergy
Village Rites
25% of 51 decks +16% synergy
Terminate
23% of 56 decks +2% synergy
Vampiric Tutor
20% of 56 decks +1% synergy
Heroic Intervention
19% of 53 decks -11% synergy
Worldly Tutor
18% of 56 decks +4% synergy
Chaos Warp
18% of 56 decks -14% synergy
Corrupted Conviction
16% of 31 decks +10% synergy
Putrefy
16% of 56 decks +0% synergy
Dark Ritual
16% of 56 decks -6% synergy
Abrupt Decay
15% of 55 decks +4% synergy
Entomb
14% of 56 decks +7% synergy
Malakir Rebirth
14% of 51 decks +5% synergy
Nasty End
13% of 30 decks +11% synergy
Krosan Grip
12% of 56 decks +5% synergy
Culling the Weak
11% of 56 decks +7% synergy
Artifact Mutation
11% of 56 decks +6% synergy
Plumb the Forbidden
10% of 49 decks +7% synergy
Rakdos Charm
9% of 55 decks -5% synergy
Harrow
9% of 56 decks -1% synergy
Nature's Claim
9% of 56 decks -1% synergy
Deadly Rollick
8% of 51 decks -3% synergy
Saw in Half
8% of 40 decks +4% synergy
Noxious Revival
7% of 56 decks +2% synergy
Pyroblast
7% of 56 decks +1% synergy
Wake the Dead
6% of 54 decks +5% synergy
Natural Affinity
5% of 56 decks +5% synergy
Shred Memory
5% of 56 decks +5% synergy
Altar's Reap
5% of 56 decks +4% synergy
Tragic Slip
5% of 56 decks +2% synergy
Sorceries
Cultivate
38% of 56 decks -9% synergy
Farseek
36% of 56 decks +1% synergy
Diabolic Intent
32% of 56 decks +23% synergy
Living Death
29% of 56 decks +23% synergy
Nature's Lore
29% of 56 decks -3% synergy
Blasphemous Act
27% of 56 decks -7% synergy
Kodama's Reach
23% of 56 decks -8% synergy
Rampant Growth
23% of 56 decks -11% synergy
Reanimate
21% of 56 decks +6% synergy
Demonic Tutor
21% of 56 decks -1% synergy
Dread Return
20% of 56 decks +14% synergy
Rise of the Witch-king
18% of 28 decks +11% synergy
Toxic Deluge
17% of 54 decks -1% synergy
Damnation
16% of 56 decks +8% synergy
Unearth
14% of 56 decks +11% synergy
Three Visits
14% of 56 decks -10% synergy
Decimate
12% of 56 decks +4% synergy
Buried Alive
11% of 56 decks +5% synergy
Faithless Looting
11% of 56 decks -6% synergy
Unmarked Grave
10% of 49 decks +7% synergy
Culling Ritual
10% of 49 decks -1% synergy
Primal Growth
9% of 56 decks +8% synergy
Life // Death
9% of 56 decks +7% synergy
Regrowth
9% of 56 decks +5% synergy
Grim Tutor
9% of 56 decks +4% synergy
Gamble
9% of 56 decks -1% synergy
Bone Shards
8% of 49 decks +7% synergy
Bala Ged Recovery
8% of 51 decks -1% synergy
Feed the Swarm
8% of 51 decks -10% synergy
Jarad's Orders
7% of 55 decks +5% synergy
Vandalblast
7% of 55 decks -9% synergy
Skyshroud Claim
7% of 56 decks -2% synergy
Jeska's Will
6% of 51 decks -12% synergy
Finale of Devastation
6% of 52 decks -3% synergy
Final Parting
6% of 53 decks +4% synergy
Tempt with Vengeance
6% of 54 decks +5% synergy
Cathartic Reunion
6% of 54 decks +2% synergy
Splendid Reclamation
6% of 54 decks +2% synergy
Read the Bones
6% of 54 decks -2% synergy
Spoils of Victory
5% of 56 decks +5% synergy
Natural Order
5% of 56 decks +3% synergy
Wheel of Fortune
5% of 56 decks +0% synergy
Exsanguinate
5% of 56 decks -0% synergy
Green Sun's Zenith
5% of 56 decks -1% synergy
Diabolic Tutor
5% of 56 decks -1% synergy
Night's Whisper
5% of 56 decks -4% synergy
Utility Artifacts
Lightning Greaves
21% of 56 decks -4% synergy
Altar of Dementia
20% of 56 decks +17% synergy
Spawning Pit
14% of 56 decks +14% synergy
Cauldron of Souls
12% of 56 decks +12% synergy
Vat of Rebirth
12% of 32 decks +10% synergy
The Skullspore Nexus
12% of 24 decks +8% synergy
Swiftfoot Boots
12% of 56 decks -15% synergy
Altar of Bhaal
12% of 43 decks +11% synergy
Birthing Pod
11% of 56 decks +8% synergy
Desecrated Tomb
6% of 53 decks +5% synergy
Panharmonicon
6% of 54 decks +1% synergy
Genesis Chamber
5% of 56 decks +5% synergy
Crucible of Worlds
5% of 56 decks +3% synergy
Enchantments
Impact Tremors
41% of 54 decks +31% synergy
Chthonian Nightmare
33% of 12 decks +30% synergy
Insidious Roots
32% of 19 decks +23% synergy
Moldervine Reclamation
31% of 52 decks +22% synergy
Phyrexian Reclamation
29% of 56 decks +25% synergy
Rhythm of the Wild
27% of 52 decks +3% synergy
Dictate of Erebos
26% of 54 decks +22% synergy
Bastion of Remembrance
25% of 51 decks +19% synergy
Fecundity
25% of 56 decks +24% synergy
Parallel Lives
23% of 56 decks +16% synergy
Grave Pact
21% of 56 decks +17% synergy
Elemental Bond
20% of 54 decks +15% synergy
Evolutionary Leap
19% of 54 decks +17% synergy
Golgari Germination
18% of 56 decks +16% synergy
Riveteers Ascendancy
16% of 49 decks +12% synergy
The Meathook Massacre
14% of 49 decks +9% synergy
Doubling Season
14% of 56 decks +5% synergy
Animate Dead
14% of 56 decks +5% synergy
Vampiric Rites
13% of 54 decks +10% synergy
Cryptolith Rite
13% of 54 decks +9% synergy
Greater Good
12% of 56 decks +8% synergy
Beastmaster Ascension
12% of 56 decks +7% synergy
Tribute to the World Tree
12% of 32 decks +4% synergy
Phyrexian Arena
12% of 56 decks -2% synergy
Attrition
11% of 56 decks +10% synergy
Sylvan Library
11% of 56 decks -1% synergy
Journey to Eternity
9% of 53 decks +6% synergy
Black Market
9% of 56 decks +4% synergy
Warstorm Surge
9% of 56 decks +4% synergy
Deathreap Ritual
7% of 54 decks +3% synergy
Survival of the Fittest
7% of 56 decks +5% synergy
Necromancy
7% of 56 decks +4% synergy
Necropotence
7% of 56 decks +2% synergy
Skeletal Swarming
6% of 49 decks +6% synergy
Blight Mound
6% of 49 decks +5% synergy
Underworld Breach
6% of 51 decks -0% synergy
Growing Rites of Itlimoc
6% of 53 decks +0% synergy
Primal Vigor
6% of 54 decks +3% synergy
Nature's Revolt
5% of 56 decks +5% synergy
Vicious Shadows
5% of 56 decks +5% synergy
Food Chain
5% of 56 decks +4% synergy
Oversold Cemetery
5% of 56 decks +4% synergy
Shared Animosity
5% of 56 decks +1% synergy
Planeswalkers
Liliana, Dreadhorde General
8% of 52 decks +4% synergy
Utility Lands
Bojuka Bog
41% of 56 decks +11% synergy
Phyrexian Tower
39% of 56 decks +31% synergy
Urborg, Tomb of Yawgmoth
32% of 56 decks +22% synergy
Reliquary Tower
21% of 56 decks -8% synergy
High Market
20% of 56 decks +17% synergy
Yavimaya, Cradle of Growth
18% of 49 decks +9% synergy
Boseiju, Who Endures
16% of 49 decks -3% synergy
Grim Backwoods
16% of 56 decks +12% synergy
Ancient Tomb
16% of 56 decks +6% synergy
Westvale Abbey
15% of 54 decks +13% synergy
Mortuary Mire
15% of 54 decks +10% synergy
Kessig Wolf Run
14% of 56 decks -2% synergy
Kher Keep
12% of 56 decks +10% synergy
Field of the Dead
12% of 52 decks +8% synergy
Mosswort Bridge
11% of 56 decks +0% synergy
Temple of the False God
9% of 56 decks -1% synergy
Cabal Coffers
9% of 56 decks -2% synergy
Takenuma, Abandoned Mire
8% of 49 decks -3% synergy
Rogue's Passage
5% of 55 decks -14% synergy
Miren, the Moaning Well
5% of 56 decks +5% synergy
Vesuva
5% of 56 decks +4% synergy
Khalni Garden
5% of 56 decks +4% synergy
Raging Ravine
5% of 56 decks +3% synergy
Strip Mine
5% of 56 decks +2% synergy
Dryad Arbor
5% of 56 decks +1% synergy
Gaea's Cradle
5% of 56 decks -0% synergy
Mana Artifacts
Sol Ring
88% of 56 decks +3% synergy
Arcane Signet
62% of 52 decks -10% synergy
Golgari Signet
20% of 56 decks +7% synergy
Rakdos Signet
16% of 56 decks -14% synergy
Chromatic Lantern
15% of 55 decks +5% synergy
Gruul Signet
14% of 56 decks +2% synergy
Fellwar Stone
14% of 56 decks -7% synergy
Talisman of Indulgence
12% of 56 decks -14% synergy
Mana Crypt
9% of 56 decks -0% synergy
Talisman of Resilience
8% of 52 decks -4% synergy
Commander's Sphere
7% of 54 decks -8% synergy
Gilded Lotus
5% of 56 decks +2% synergy
Talisman of Impulse
5% of 56 decks -3% synergy
Lands
Command Tower
91% of 56 decks +17% synergy
Ziatora's Proving Ground
63% of 49 decks +31% synergy
Stomping Ground
62% of 56 decks +21% synergy
Overgrown Tomb
61% of 56 decks +18% synergy
Blood Crypt
59% of 56 decks +20% synergy
Savage Lands
55% of 56 decks +32% synergy
Exotic Orchard
46% of 56 decks +11% synergy
Bloodstained Mire
45% of 56 decks +34% synergy
Verdant Catacombs
43% of 56 decks +31% synergy
Dragonskull Summit
43% of 56 decks +12% synergy
Llanowar Wastes
38% of 56 decks +12% synergy
Woodland Cemetery
38% of 56 decks +10% synergy
Wooded Foothills
36% of 56 decks +26% synergy
Undergrowth Stadium
35% of 51 decks +9% synergy
Smoldering Marsh
35% of 54 decks +3% synergy
Cinder Glade
35% of 54 decks -3% synergy
Spire Garden
34% of 53 decks +10% synergy
Luxury Suite
34% of 53 decks +7% synergy
Rootbound Crag
32% of 56 decks +9% synergy
Karplusan Forest
29% of 56 decks +12% synergy
Sulfurous Springs
25% of 56 decks +5% synergy
Evolving Wilds
25% of 56 decks +4% synergy
Golgari Rot Farm
21% of 56 decks +4% synergy
Temple of Malady
20% of 54 decks +4% synergy
City of Brass
20% of 56 decks +11% synergy
Marsh Flats
20% of 56 decks +8% synergy
Terramorphic Expanse
20% of 56 decks +4% synergy
Gruul Turf
20% of 56 decks +4% synergy
Temple of Abandon
19% of 54 decks +5% synergy
Twilight Mire
18% of 56 decks +8% synergy
Misty Rainforest
18% of 56 decks +6% synergy
Rakdos Carnarium
18% of 56 decks +3% synergy
Path of Ancestry
17% of 53 decks -4% synergy
Arid Mesa
16% of 56 decks +5% synergy
Temple of Malice
15% of 54 decks +1% synergy
Windswept Heath
14% of 56 decks +4% synergy
Commercial District
14% of 21 decks +2% synergy
Badlands
14% of 56 decks +1% synergy
Bayou
14% of 56 decks +1% synergy
Deathcap Glade
14% of 49 decks +0% synergy
Underground Mortuary
14% of 21 decks -2% synergy
Rockfall Vale
14% of 49 decks -8% synergy
Mana Confluence
13% of 54 decks +6% synergy
Myriad Landscape
13% of 54 decks -7% synergy
Taiga
12% of 56 decks -1% synergy
Haunted Ridge
12% of 49 decks -4% synergy
Woodland Chasm
12% of 50 decks +7% synergy
Fabled Passage
12% of 52 decks +2% synergy
Polluted Delta
11% of 56 decks -1% synergy
Sulfurous Mire
10% of 50 decks +8% synergy