Cavalier of Night + Activated Sleeper + Ashnod's Altar

Cavalier of Night
Activated Sleeper
Ashnod's Altar

Requires
Cavalier of Night must be on the battlefield. Activated Sleeper must be in the graveyard. Ashnod's Altar must be on the battlefield.
Steps
  1. Activate Ashnod's Altar by sacrificing Cavalier of Night, adding .
  2. When Cavalier of Night dies, it triggers, returning Activated Sleeper from your graveyard to the battlefield as a copy of Cavalier of Night.
  3. When Activated Sleeper enters the battlefield, it triggers; choose not to sacrifice a creature.
  4. Activate Ashnod's Altar by sacrificing Activated Sleeper, adding .
  5. When Activated Sleeper dies, it triggers, returning Activated Sleeper from your graveyard to the battlefield as a copy of Cavalier of Night.
  6. Repeat from step 3.
Results
Infinite colorless mana. Infinite death triggers. Infinite ETB. Infinite LTB. Infinite sacrifice triggers.

Meren of Clan Nel Toth
0.95% of 15123 decks 143 decks
Rakdos, the Muscle
1.08% of 2869 decks 31 decks
Dina, Soul Steeper
0.17% of 7754 decks 13 decks
Moira, Urborg Haunt
13.13% of 99 decks 13 decks
Sidar Jabari of Zhalfir
0.04% of 14107 decks 6 decks
Teysa Karlov
0.03% of 15565 decks 5 decks
The Ever-Changing 'Dane
0.53% of 754 decks 4 decks
Karador, Ghost Chieftain
0.06% of 5430 decks 3 decks
Braids, Arisen Nightmare
0.04% of 7006 decks 3 decks
Othelm, Sigardian Outcast // Wernog, Rider's Chaplain
0.33% of 916 decks 3 decks
Grist, Voracious Larva
0.18% of 1103 decks 2 decks
K'rrik, Son of Yawgmoth
0.01% of 14093 decks 2 decks
Haakon, Stromgald Scourge
0.97% of 206 decks 2 decks
Ghave, Guru of Spores
0.03% of 6440 decks 2 decks
Oloro, Ageless Ascetic
0.02% of 12295 decks 2 decks
Akul the Unrepentant
0.17% of 1169 decks 2 decks
Taborax, Hope's Demise
0.16% of 1261 decks 2 decks
Sméagol, Helpful Guide
0.03% of 5790 decks 2 decks
New Cards
Insidious Fungus
77% of 39 decks +72% synergy
Blasphemous Edict
75% of 4 decks +41% synergy
Blazemire Verge
62% of 8 decks +42% synergy
Untimely Malfunction
62% of 8 decks +46% synergy
Withering Torment
29% of 24 decks +10% synergy
High Synergy Cards
Protean Hulk
85% of 179 decks +83% synergy
Molten Duplication
76% of 34 decks +73% synergy
Ingot Chewer
74% of 42 decks +73% synergy
Dualcaster Mage
76% of 42 decks +71% synergy
Spore Frog
74% of 179 decks +71% synergy
Eternal Witness
91% of 179 decks +70% synergy
Flare of Duplication
74% of 34 decks +70% synergy
Burnt Offering
71% of 42 decks +69% synergy
Haywire Mite
73% of 179 decks +69% synergy
Saffi Eriksdotter
70% of 10 decks +68% synergy
Top Cards
Sakura-Tribe Elder
80% of 179 decks +62% synergy
Pinnacle Monk
77% of 31 decks +70% synergy
Accursed Marauder
77% of 125 decks +68% synergy
Viscera Seer
77% of 273 decks +67% synergy
Assassin's Trophy
77% of 179 decks +46% synergy
Llanowar Elves
72% of 179 decks +51% synergy
Carrion Feeder
71% of 273 decks +66% synergy
Avacyn's Pilgrim
70% of 10 decks +55% synergy
Fury
69% of 42 decks +68% synergy
Warren Soultrader
68% of 143 decks +60% synergy
Creatures
Imperial Recruiter
69% of 42 decks +63% synergy
Birds of Paradise
68% of 179 decks +41% synergy
Elvish Mystic
67% of 179 decks +49% synergy
Birgi, God of Storytelling
67% of 42 decks +61% synergy
Elves of Deep Shadow
66% of 179 decks +55% synergy
Zulaport Cutthroat
65% of 273 decks +55% synergy
Prosper, Tome-Bound
64% of 42 decks +62% synergy
Glasspool Mimic
62% of 16 decks +59% synergy
Impulsive Pilferer
62% of 42 decks +60% synergy
Simian Spirit Guide
62% of 42 decks +56% synergy
Cankerbloom
61% of 173 decks +54% synergy
Braids, Arisen Nightmare
60% of 273 decks +52% synergy
Reckless Barbarian
60% of 42 decks +58% synergy
Grim Haruspex
56% of 273 decks +52% synergy
Plaguecrafter
55% of 273 decks +50% synergy
Fyndhorn Elves
53% of 179 decks +40% synergy
Flamekin Harbinger
52% of 42 decks +52% synergy
Skirk Prospector
50% of 42 decks +47% synergy
Phantasmal Image
50% of 16 decks +46% synergy
Blood Artist
49% of 273 decks +37% synergy
Karmic Guide
48% of 33 decks +44% synergy
Disciple of Freyalise
48% of 98 decks +41% synergy
Dockside Extortionist
48% of 42 decks +36% synergy
Fiend Artisan
47% of 179 decks +44% synergy
Sylvan Safekeeper
47% of 179 decks +44% synergy
Elas il-Kor, Sadistic Pilgrim
45% of 33 decks +34% synergy
Dargo, the Shipwrecker
45% of 42 decks +45% synergy
Mikaeus, the Unhallowed
44% of 273 decks +41% synergy
Dauthi Voidwalker
42% of 273 decks +34% synergy
Reveillark
42% of 33 decks +41% synergy
Yawgmoth, Thran Physician
40% of 273 decks +37% synergy
Renegade Rallier
40% of 10 decks +40% synergy
Bartolomé del Presidio
40% of 20 decks +33% synergy
Sun Titan
39% of 33 decks +29% synergy
Farhaven Elf
39% of 179 decks +35% synergy
Mosswood Dreadknight
38% of 148 decks +35% synergy
Body Double
38% of 16 decks +37% synergy
Gray Merchant of Asphodel
37% of 273 decks +28% synergy
Cruel Celebrant
36% of 33 decks +28% synergy
Fleshbag Marauder
35% of 273 decks +31% synergy
Fauna Shaman
35% of 179 decks +32% synergy
Skittering Precursor
34% of 32 decks +34% synergy
Demon's Disciple
34% of 273 decks +32% synergy
Herald of Hoofbeats
33% of 12 decks +32% synergy
Morbid Opportunist
32% of 273 decks +27% synergy
Yahenni, Undying Partisan
32% of 273 decks +28% synergy
Phyrexian Delver
31% of 273 decks +30% synergy
Magda, Brazen Outlaw
31% of 42 decks +28% synergy
Luminous Broodmoth
30% of 33 decks +28% synergy
Deathrite Shaman
30% of 179 decks +18% synergy
Instants
Deflecting Swat
64% of 42 decks +48% synergy
Swords to Plowshares
61% of 33 decks -2% synergy
Pyroblast
57% of 42 decks +51% synergy
Red Elemental Blast
52% of 42 decks +46% synergy
Beast Within
51% of 179 decks +13% synergy
Entomb
49% of 273 decks +41% synergy
Counterspell
44% of 16 decks +1% synergy
Bolt Bend
40% of 42 decks +37% synergy
Path to Exile
39% of 33 decks -6% synergy
Dark Ritual
36% of 273 decks +14% synergy
Tear Asunder
35% of 179 decks +28% synergy
Abrupt Decay
34% of 179 decks +24% synergy
Fell the Profane
31% of 143 decks +20% synergy
Vampiric Tutor
31% of 273 decks +13% synergy
Anguished Unmaking
30% of 33 decks +6% synergy
Chord of Calling
30% of 179 decks +24% synergy
Saw in Half
28% of 269 decks +25% synergy
Culling the Weak
25% of 273 decks +21% synergy
Malakir Rebirth
20% of 273 decks +11% synergy
Flare of Malice
19% of 144 decks +16% synergy
Village Rites
19% of 273 decks +9% synergy
Force of Negation
19% of 16 decks +10% synergy
Void Rend
19% of 16 decks +4% synergy
Stroke of Midnight
18% of 22 decks +6% synergy
Worldly Tutor
18% of 179 decks +4% synergy
Abrade
17% of 42 decks +5% synergy
Deadly Dispute
16% of 273 decks +5% synergy
Noxious Revival
15% of 179 decks +9% synergy
Veil of Summer
15% of 179 decks +8% synergy
Lightning Bolt
14% of 42 decks +4% synergy
Terminate
14% of 42 decks -7% synergy
Deadly Rollick
12% of 273 decks +2% synergy
Teferi's Protection
12% of 33 decks -8% synergy
Rakdos Charm
12% of 42 decks -2% synergy
Sacrifice
11% of 273 decks +10% synergy
Grisly Salvage
11% of 179 decks +5% synergy
Revitalizing Repast
10% of 97 decks -2% synergy
Putrefy
10% of 179 decks -6% synergy
Heroic Intervention
10% of 179 decks -20% synergy
Chaos Warp
10% of 42 decks -22% synergy
Brought Back
9% of 33 decks +8% synergy
Fracture
9% of 33 decks +2% synergy
Generous Gift
9% of 33 decks -16% synergy
Crop Rotation
9% of 179 decks -1% synergy
Songs of the Damned
9% of 273 decks +8% synergy
Corrupted Conviction
9% of 241 decks +3% synergy
Nature's Claim
8% of 179 decks -1% synergy
Mausoleum Secrets
7% of 273 decks +7% synergy
Cabal Ritual
7% of 273 decks +3% synergy
Rending Volley
7% of 42 decks +7% synergy
Sorceries
Reanimate
66% of 273 decks +50% synergy
Infernal Plunge
64% of 42 decks +63% synergy
Rite of Flame
57% of 42 decks +54% synergy
Toxic Deluge
46% of 273 decks +29% synergy
Farseek
44% of 179 decks +9% synergy
Nature's Lore
43% of 179 decks +11% synergy
Eerie Ultimatum
40% of 10 decks +28% synergy
Victimize
40% of 273 decks +28% synergy
Culling Ritual
39% of 179 decks +28% synergy
Three Visits
39% of 179 decks +14% synergy
Rampant Growth
38% of 179 decks +3% synergy
Buried Alive
37% of 273 decks +31% synergy
Diabolic Intent
37% of 273 decks +28% synergy
Damn
36% of 33 decks +20% synergy
Demonic Tutor
33% of 273 decks +11% synergy
Natural Order
32% of 179 decks +30% synergy
Eldritch Evolution
27% of 179 decks +23% synergy
Claim the Firstborn
24% of 42 decks +23% synergy
Gamble
24% of 42 decks +14% synergy
Agadeem's Awakening
22% of 273 decks +19% synergy
Green Sun's Zenith
21% of 179 decks +14% synergy
Rise of the Witch-king
20% of 158 decks +13% synergy
Life // Death
18% of 179 decks +17% synergy
Unmarked Grave
18% of 273 decks +15% synergy
Jeska's Will
17% of 42 decks -1% synergy
Living Death
15% of 273 decks +10% synergy
Persist
15% of 273 decks +12% synergy
Bala Ged Recovery
15% of 179 decks +6% synergy
Cultivate
15% of 179 decks -32% synergy
Blasphemous Act
14% of 42 decks -19% synergy
Finale of Devastation
13% of 179 decks +5% synergy
Dread Return
13% of 273 decks +8% synergy
Sevinne's Reclamation
12% of 33 decks +5% synergy
Farewell
12% of 33 decks -1% synergy
Feed the Swarm
12% of 273 decks -6% synergy
Chain of Smog
10% of 273 decks +9% synergy
Unearth
10% of 273 decks +7% synergy
Imperial Seal
10% of 273 decks +4% synergy
Squirming Emergence
9% of 138 decks +6% synergy
Unburial Rites
9% of 33 decks +7% synergy
Rite of Oblivion
9% of 33 decks +6% synergy
Vanquish the Horde
9% of 33 decks +5% synergy
Jarad's Orders
9% of 179 decks +7% synergy
Damnation
8% of 273 decks +0% synergy
Life from the Loam
8% of 179 decks +5% synergy
Flare of Cultivation
8% of 110 decks +5% synergy
Demonic Counsel
8% of 53 decks +3% synergy
Lively Dirge
7% of 154 decks +5% synergy
Twinflame
7% of 42 decks +4% synergy
Grim Tutor
7% of 273 decks +2% synergy
Utility Artifacts
Phyrexian Altar
60% of 273 decks +56% synergy
Birthing Pod
51% of 179 decks +48% synergy
Altar of Dementia
41% of 273 decks +39% synergy
Skullclamp
41% of 273 decks +28% synergy
Lightning Greaves
20% of 273 decks -5% synergy
Mithril Coat
19% of 222 decks +13% synergy
Nim Deathmantle
14% of 273 decks +14% synergy
The One Ring
13% of 245 decks +4% synergy
Wishclaw Talisman
11% of 273 decks +6% synergy
Swiftfoot Boots
10% of 273 decks -18% synergy
Jet Medallion
9% of 273 decks +6% synergy
Bolas's Citadel
9% of 273 decks -0% synergy
Urabrask's Forge
7% of 41 decks +6% synergy
Bontu's Monument
7% of 273 decks +5% synergy
Enchantments
Birthing Ritual
48% of 88 decks +46% synergy
Rhystic Study
44% of 16 decks +16% synergy
Animate Dead
43% of 273 decks +34% synergy
Into the Pit
40% of 15 decks +35% synergy
Guardian Project
40% of 179 decks +31% synergy
Journey to Eternity
36% of 179 decks +33% synergy
Grave Pact
34% of 273 decks +29% synergy
Underworld Breach
33% of 42 decks +27% synergy
Smothering Tithe
33% of 33 decks +8% synergy
Evolutionary Leap
30% of 179 decks +29% synergy
Kindred Discovery
25% of 16 decks +18% synergy
Chthonian Nightmare
25% of 146 decks +22% synergy
Sylvan Library
23% of 179 decks +12% synergy
Goblin Bombardment
19% of 42 decks +13% synergy
Pattern of Rebirth
19% of 179 decks +18% synergy
Teferi's Ageless Insight
19% of 16 decks +14% synergy
Moldervine Reclamation
16% of 179 decks +7% synergy
Attrition
15% of 273 decks +14% synergy
Insidious Roots
15% of 114 decks +7% synergy
Gift of Doom
15% of 273 decks +14% synergy
Bastion of Remembrance
14% of 273 decks +8% synergy
Wild Growth
14% of 179 decks +3% synergy
Necromancy
13% of 273 decks +10% synergy
Necropotence
13% of 273 decks +7% synergy
Knights' Charge
12% of 33 decks +10% synergy
Cathars' Crusade
12% of 33 decks +7% synergy
Dictate of Erebos
12% of 273 decks +8% synergy
Chivalric Alliance
12% of 25 decks +10% synergy
Sneak Attack
12% of 42 decks +9% synergy
Ripples of Undeath
12% of 127 decks +5% synergy
Phyrexian Arena
10% of 273 decks -5% synergy
Funeral Room // Awakening Hall
9% of 53 decks +4% synergy
Gift of Immortality
9% of 33 decks +7% synergy
Anointed Procession
9% of 33 decks +0% synergy
The Meathook Massacre
9% of 273 decks +4% synergy
Greater Good
8% of 179 decks +3% synergy
Carpet of Flowers
8% of 179 decks +4% synergy
Utopia Sprawl
8% of 179 decks +0% synergy
Survival of the Fittest
7% of 179 decks +5% synergy
Black Market Connections
7% of 273 decks -4% synergy
Kaya's Ghostform
6% of 273 decks +2% synergy
Defense of the Heart
6% of 179 decks +4% synergy
Dance of the Dead
6% of 273 decks +4% synergy
Trudge Garden
6% of 179 decks +5% synergy
Awakening Zone
6% of 179 decks +3% synergy
Phyrexian Reclamation
5% of 273 decks +2% synergy
Exquisite Blood
5% of 273 decks +0% synergy
Planeswalkers
Grist, the Hunger Tide
11% of 179 decks +7% synergy
Utility Lands
Phyrexian Tower
53% of 273 decks +44% synergy
High Market
47% of 273 decks +44% synergy
Urborg, Tomb of Yawgmoth
39% of 273 decks +29% synergy
Bojuka Bog
34% of 273 decks +4% synergy
Yavimaya, Cradle of Growth
24% of 273 decks +14% synergy
Dryad Arbor
23% of 179 decks +19% synergy
Takenuma, Abandoned Mire
22% of 273 decks +11% synergy
Boseiju, Who Endures
22% of 179 decks +2% synergy
Barbarian Ring
21% of 42 decks +21% synergy
Ancient Tomb
20% of 273 decks +10% synergy
Otawara, Soaring City
19% of 16 decks +2% synergy
Cabal Coffers
18% of 273 decks +7% synergy
Shifting Woodland
18% of 97 decks +8% synergy
Grim Backwoods
12% of 179 decks +8% synergy
Eiganjo, Seat of the Empire
12% of 33 decks +3% synergy
Sokenzan, Crucible of Defiance
12% of 42 decks +7% synergy
Castle Locthwain
10% of 273 decks +5% synergy
Arena of Glory
9% of 32 decks +0% synergy
Shambling Vent
9% of 33 decks +7% synergy
Spymaster's Vault
9% of 143 decks +5% synergy
Urza's Saga
8% of 273 decks +1% synergy
Reliquary Tower
8% of 273 decks -21% synergy
Command Beacon
7% of 273 decks +3% synergy
Cabal Stronghold
7% of 273 decks +3% synergy
Mortuary Mire
7% of 273 decks +2% synergy
Field of the Dead
5% of 273 decks +2% synergy
Witch's Cottage
5% of 273 decks +2% synergy
Mana Artifacts
Sol Ring
93% of 273 decks +9% synergy
Talisman of Indulgence
83% of 42 decks +57% synergy
Arcane Signet
53% of 273 decks -19% synergy
Talisman of Hierarchy
39% of 33 decks +15% synergy
Cursed Mirror
36% of 42 decks +30% synergy
Talisman of Progress
25% of 16 decks +2% synergy
Talisman of Dominance
25% of 16 decks -6% synergy
Orzhov Signet
24% of 33 decks -3% synergy
Azorius Signet
19% of 16 decks -7% synergy
Golgari Signet
17% of 179 decks +5% synergy
Talisman of Resilience
17% of 179 decks +5% synergy
Rakdos Signet
17% of 42 decks -13% synergy
Chrome Mox
14% of 273 decks +8% synergy
Lotus Petal
14% of 273 decks +7% synergy
Mana Crypt
13% of 273 decks +4% synergy
Mana Vault
12% of 273 decks +5% synergy
Jeweled Lotus
10% of 273 decks +4% synergy
Fellwar Stone
8% of 273 decks -13% synergy
Mind Stone
8% of 273 decks -10% synergy
Lion's Eye Diamond
6% of 273 decks +4% synergy
Springleaf Drum
6% of 273 decks +4% synergy
Lands
Command Tower
81% of 273 decks +7% synergy
Blood Crypt
81% of 42 decks +42% synergy
Indatha Triome
80% of 10 decks +49% synergy
Temple Garden
80% of 10 decks +40% synergy
Woodland Cemetery
78% of 179 decks +50% synergy
Sulfurous Springs
76% of 42 decks +56% synergy
Watery Grave
75% of 16 decks +34% synergy
Llanowar Wastes
74% of 179 decks +49% synergy
Luxury Suite
69% of 42 decks +43% synergy
Raffine's Tower
69% of 16 decks +41% synergy
Hallowed Fountain
69% of 16 decks +28% synergy
Overgrown Tomb
68% of 179 decks +25% synergy
Raucous Theater
64% of 36 decks +51% synergy
Godless Shrine
64% of 33 decks +23% synergy
Undergrowth Stadium
62% of 179 decks +36% synergy
Meticulous Archive
60% of 5 decks +50% synergy
Undercity Sewers
60% of 5 decks +46% synergy
Bountiful Promenade
60% of 10 decks +36% synergy
Arcane Sanctum
56% of 16 decks +29% synergy
Tainted Wood
56% of 179 decks +43% synergy
Underground Mortuary
54% of 135 decks +38% synergy
Lush Portico
50% of 6 decks +38% synergy
Dragonskull Summit
50% of 42 decks +19% synergy
Twilight Mire
49% of 179 decks +39% synergy
Necroblossom Snarl
46% of 179 decks +34% synergy
Caves of Koilos
45% of 33 decks +17% synergy
Deathcap Glade
45% of 179 decks +31% synergy
Badlands
45% of 42 decks +32% synergy
Darkbore Pathway
45% of 179 decks +36% synergy
Nurturing Peatland
41% of 179 decks +35% synergy
Murmuring Bosk
40% of 10 decks +32% synergy
Canopy Vista
40% of 10 decks +4% synergy
Vault of Champions
39% of 33 decks +14% synergy
Isolated Chapel
39% of 33 decks +12% synergy
Verdant Catacombs
38% of 273 decks +26% synergy
Sea of Clouds
38% of 16 decks +11% synergy
Blooming Marsh
37% of 179 decks +33% synergy
Fetid Heath
36% of 33 decks +26% synergy
Shadowy Backstreet
33% of 15 decks +20% synergy
Mount Doom
32% of 40 decks +25% synergy
Drowned Catacomb
31% of 16 decks +6% synergy
Glacial Fortress
31% of 16 decks +6% synergy
Morphic Pool
31% of 16 decks +5% synergy
Prairie Stream
31% of 16 decks -2% synergy
Sunken Hollow
31% of 16 decks -3% synergy
Temple of Plenty
30% of 10 decks +17% synergy
Sunpetal Grove
30% of 10 decks +6% synergy
Sandsteppe Citadel
30% of 10 decks +4% synergy
Blightstep Pathway
29% of 42 decks +19% synergy
Exotic Orchard
28% of 273 decks -7% synergy