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
1.26% of 16487 decks 208 decks
Rakdos, the Muscle
0.88% of 3880 decks 34 decks
Dina, Soul Steeper
0.23% of 7973 decks 18 decks
Moira, Urborg Haunt
11.65% of 103 decks 12 decks
Sidar Jabari of Zhalfir
0.04% of 16680 decks 7 decks
The Ever-Changing 'Dane
0.50% of 808 decks 4 decks
Teysa Karlov
0.02% of 16588 decks 4 decks
Bane, Lord of Darkness
0.19% of 2127 decks 4 decks
Braids, Arisen Nightmare
0.04% of 7160 decks 3 decks
Sefris of the Hidden Ways
0.03% of 9195 decks 3 decks
Grist, Voracious Larva
0.19% of 1551 decks 3 decks
Othelm, Sigardian Outcast // Wernog, Rider's Chaplain
0.33% of 904 decks 3 decks
Karador, Ghost Chieftain
0.05% of 5618 decks 3 decks
Ghave, Guru of Spores
0.05% of 6602 decks 3 decks
Grist, the Hunger Tide
0.03% of 6083 decks 2 decks
Akul the Unrepentant
0.13% of 1580 decks 2 decks
Oloro, Ageless Ascetic
0.01% of 13654 decks 2 decks
Taborax, Hope's Demise
0.13% of 1525 decks 2 decks
New Cards
Awaken the Honored Dead
100% of 1 decks +98% synergy
Kheru Goldkeeper
100% of 1 decks +94% synergy
Sin, Spira's Punishment
100% of 1 decks +100% synergy
Will of the Jeskai
50% of 2 decks +49% synergy
Wastewood Verge
26% of 78 decks +20% synergy
High Synergy Cards
Protean Hulk
83% of 255 decks +81% synergy
Spore Frog
75% of 255 decks +72% synergy
Haywire Mite
75% of 255 decks +72% synergy
Molten Duplication
72% of 43 decks +70% synergy
Carrion Feeder
75% of 357 decks +70% synergy
Eternal Witness
89% of 255 decks +69% synergy
Viscera Seer
78% of 357 decks +69% synergy
Ingot Chewer
69% of 49 decks +69% synergy
Dualcaster Mage
71% of 49 decks +67% synergy
Fury
67% of 49 decks +66% synergy
Top Cards
Sakura-Tribe Elder
80% of 255 decks +62% synergy
Assassin's Trophy
78% of 255 decks +48% synergy
Llanowar Elves
70% of 255 decks +49% synergy
Birds of Paradise
69% of 255 decks +42% synergy
Zulaport Cutthroat
69% of 357 decks +59% synergy
Burnt Offering
67% of 49 decks +65% synergy
Saffi Eriksdotter
67% of 12 decks +65% synergy
Flare of Duplication
67% of 42 decks +64% synergy
Avacyn's Pilgrim
67% of 12 decks +53% synergy
Reanimate
66% of 357 decks +49% synergy
Game Changers
Rhystic Study
43% of 21 decks +16% synergy
Demonic Tutor
32% of 357 decks +10% synergy
Vampiric Tutor
28% of 357 decks +11% synergy
Smothering Tithe
28% of 39 decks +4% synergy
Underworld Breach
24% of 49 decks +19% synergy
Ancient Tomb
17% of 357 decks +7% synergy
Chrome Mox
12% of 357 decks +6% synergy
Opposition Agent
11% of 357 decks +5% synergy
Survival of the Fittest
6% of 255 decks +5% synergy
Lion's Eye Diamond
5% of 357 decks +3% synergy
Creatures
Ignoble Hierarch
75% of 4 decks +50% synergy
Imperial Recruiter
65% of 49 decks +60% synergy
Elves of Deep Shadow
65% of 255 decks +55% synergy
Elvish Mystic
65% of 255 decks +48% synergy
Impulsive Pilferer
63% of 49 decks +61% synergy
Prosper, Tome-Bound
63% of 49 decks +61% synergy
Simian Spirit Guide
63% of 49 decks +58% synergy
Cankerbloom
63% of 255 decks +57% synergy
Braids, Arisen Nightmare
63% of 357 decks +56% synergy
Glasspool Mimic
62% of 21 decks +59% synergy
Birgi, God of Storytelling
61% of 49 decks +56% synergy
Accursed Marauder
60% of 258 decks +55% synergy
Plaguecrafter
59% of 357 decks +54% synergy
Grim Haruspex
59% of 357 decks +55% synergy
Warren Soultrader
56% of 263 decks +51% synergy
Reckless Barbarian
55% of 49 decks +54% synergy
Pinnacle Monk
55% of 42 decks +50% synergy
Fyndhorn Elves
53% of 255 decks +41% synergy
Karmic Guide
51% of 39 decks +47% synergy
Blood Artist
51% of 357 decks +40% synergy
Flamekin Harbinger
51% of 49 decks +51% synergy
Insidious Fungus
51% of 153 decks +49% synergy
Fiend Artisan
50% of 255 decks +48% synergy
Skirk Prospector
49% of 49 decks +46% synergy
Mikaeus, the Unhallowed
48% of 357 decks +46% synergy
Sylvan Safekeeper
48% of 255 decks +45% synergy
Yawgmoth, Thran Physician
44% of 357 decks +41% synergy
Dauthi Voidwalker
44% of 357 decks +36% synergy
Reveillark
44% of 39 decks +42% synergy
Phantasmal Image
43% of 21 decks +39% synergy
Disciple of Freyalise
42% of 196 decks +37% synergy
Renegade Rallier
42% of 12 decks +41% synergy
Cruel Celebrant
41% of 39 decks +33% synergy
Sun Titan
41% of 39 decks +32% synergy
Dargo, the Shipwrecker
41% of 49 decks +41% synergy
Dockside Extortionist
39% of 49 decks +30% synergy
Elas il-Kor, Sadistic Pilgrim
38% of 39 decks +28% synergy
Fleshbag Marauder
38% of 357 decks +34% synergy
Morbid Opportunist
37% of 357 decks +31% synergy
Gray Merchant of Asphodel
37% of 357 decks +28% synergy
Mosswood Dreadknight
36% of 250 decks +34% synergy
Demon's Disciple
36% of 357 decks +35% synergy
Phyrexian Delver
34% of 357 decks +33% synergy
Yahenni, Undying Partisan
34% of 357 decks +31% synergy
Skittering Precursor
33% of 42 decks +33% synergy
Bartolomé del Presidio
33% of 33 decks +28% synergy
Deathrite Shaman
31% of 255 decks +19% synergy
Merciless Executioner
31% of 357 decks +29% synergy
Luminous Broodmoth
31% of 39 decks +29% synergy
Fauna Shaman
29% of 255 decks +26% synergy
Instants
Deflecting Swat
57% of 49 decks +41% synergy
Swords to Plowshares
56% of 39 decks -6% synergy
Pyroblast
53% of 49 decks +47% synergy
Beast Within
53% of 255 decks +15% synergy
Red Elemental Blast
51% of 49 decks +45% synergy
Entomb
45% of 357 decks +38% synergy
Path to Exile
38% of 39 decks -8% synergy
Counterspell
38% of 21 decks -4% synergy
Bolt Bend
37% of 49 decks +33% synergy
Tear Asunder
35% of 255 decks +29% synergy
Dark Ritual
33% of 357 decks +10% synergy
Chord of Calling
32% of 255 decks +27% synergy
Anguished Unmaking
31% of 39 decks +7% synergy
Abrupt Decay
29% of 255 decks +19% synergy
Fell the Profane
27% of 263 decks +19% synergy
Void Rend
25% of 20 decks +11% synergy
Saw in Half
24% of 357 decks +21% synergy
Culling the Weak
22% of 357 decks +18% synergy
Untimely Malfunction
19% of 26 decks +12% synergy
Village Rites
19% of 357 decks +9% synergy
Malakir Rebirth
18% of 357 decks +11% synergy
Lightning Bolt
18% of 49 decks +8% synergy
Stroke of Midnight
18% of 34 decks +8% synergy
Worldly Tutor
18% of 255 decks +4% synergy
Generous Gift
15% of 39 decks -9% synergy
Deadly Dispute
15% of 357 decks +4% synergy
Dovin's Veto
15% of 20 decks -3% synergy
Abrade
14% of 49 decks +3% synergy
Fierce Guardianship
14% of 21 decks -4% synergy
Cyclonic Rift
14% of 21 decks -12% synergy
Flare of Malice
13% of 266 decks +11% synergy
Teferi's Protection
13% of 39 decks -6% synergy
Deadly Rollick
12% of 357 decks +1% synergy
Terminate
12% of 49 decks -8% synergy
Noxious Revival
12% of 255 decks +7% synergy
Veil of Summer
12% of 255 decks +6% synergy
Putrefy
12% of 255 decks -4% synergy
Revitalizing Repast
11% of 193 decks +3% synergy
Heroic Intervention
11% of 255 decks -19% synergy
Mortify
10% of 39 decks -1% synergy
Despark
10% of 39 decks -5% synergy
Bedevil
10% of 49 decks -3% synergy
Sacrifice
10% of 357 decks +9% synergy
Grisly Salvage
9% of 255 decks +4% synergy
Nature's Claim
8% of 255 decks -0% synergy
Rending Volley
8% of 49 decks +8% synergy
Final Fortune
8% of 49 decks +6% synergy
Rakdos Charm
8% of 49 decks -6% synergy
Chaos Warp
8% of 49 decks -23% synergy
Songs of the Damned
8% of 357 decks +7% synergy
Sorceries
Infernal Plunge
61% of 49 decks +60% synergy
Rite of Flame
53% of 49 decks +50% synergy
Toxic Deluge
50% of 357 decks +32% synergy
Nature's Lore
45% of 255 decks +13% synergy
Farseek
44% of 255 decks +10% synergy
Victimize
41% of 357 decks +30% synergy
Rampant Growth
41% of 255 decks +6% synergy
Three Visits
40% of 255 decks +16% synergy
Buried Alive
39% of 357 decks +33% synergy
Diabolic Intent
37% of 357 decks +29% synergy
Damn
36% of 39 decks +20% synergy
Culling Ritual
35% of 255 decks +24% synergy
Natural Order
35% of 255 decks +32% synergy
Eerie Ultimatum
25% of 12 decks +13% synergy
Agadeem's Awakening
24% of 357 decks +20% synergy
Eldritch Evolution
24% of 255 decks +19% synergy
Claim the Firstborn
22% of 49 decks +22% synergy
Gamble
20% of 49 decks +11% synergy
Unmarked Grave
18% of 357 decks +15% synergy
Life // Death
17% of 255 decks +16% synergy
Green Sun's Zenith
17% of 255 decks +12% synergy
Cultivate
17% of 255 decks -28% synergy
Living Death
17% of 357 decks +11% synergy
Jeska's Will
16% of 49 decks -0% synergy
Rise of the Witch-king
15% of 255 decks +10% synergy
Bala Ged Recovery
13% of 255 decks +5% synergy
Persist
13% of 357 decks +11% synergy
Farewell
13% of 39 decks +0% synergy
Blasphemous Act
12% of 49 decks -21% synergy
Finale of Devastation
11% of 255 decks +3% synergy
Unearth
11% of 357 decks +7% synergy
Dread Return
10% of 357 decks +5% synergy
Unburial Rites
10% of 39 decks +8% synergy
Wrath of God
10% of 39 decks +4% synergy
Austere Command
10% of 39 decks -2% synergy
Chain of Smog
10% of 357 decks +9% synergy
Feed the Swarm
10% of 357 decks -7% synergy
Blasphemous Edict
10% of 152 decks +2% synergy
Damnation
9% of 357 decks +2% synergy
Imperial Seal
9% of 357 decks +3% synergy
Twinflame
8% of 49 decks +5% synergy
Rite of Oblivion
8% of 39 decks +5% synergy
Sevinne's Reclamation
8% of 39 decks +1% synergy
Jarad's Orders
7% of 255 decks +6% synergy
Final Parting
7% of 357 decks +5% synergy
Life from the Loam
7% of 255 decks +3% synergy
Flare of Cultivation
6% of 235 decks +4% synergy
Grim Tutor
6% of 357 decks +1% synergy
Primal Growth
5% of 255 decks +5% synergy
Kodama's Reach
5% of 255 decks -25% synergy
Utility Artifacts
Phyrexian Altar
60% of 357 decks +56% synergy
Birthing Pod
53% of 255 decks +51% synergy
Altar of Dementia
43% of 357 decks +41% synergy
Skullclamp
42% of 357 decks +30% synergy
Lightning Greaves
20% of 357 decks -5% synergy
Mithril Coat
17% of 350 decks +12% synergy
Nim Deathmantle
12% of 357 decks +11% synergy
Lotus Petal
11% of 357 decks +4% synergy
The One Ring
10% of 357 decks +2% synergy
Norn's Wellspring
10% of 39 decks +10% synergy
Swiftfoot Boots
10% of 357 decks -17% synergy
Wishclaw Talisman
10% of 357 decks +4% synergy
Bolas's Citadel
8% of 357 decks -1% synergy
Jeweled Lotus
7% of 357 decks +3% synergy
Jet Medallion
7% of 357 decks +4% synergy
Mind Stone
7% of 357 decks -10% synergy
Urabrask's Forge
6% of 49 decks +5% synergy
Bontu's Monument
6% of 357 decks +4% synergy
Enchantments
Guardian Project
42% of 255 decks +34% synergy
Grave Pact
41% of 357 decks +36% synergy
Animate Dead
41% of 357 decks +31% synergy
Journey to Eternity
39% of 255 decks +36% synergy
Birthing Ritual
39% of 191 decks +38% synergy
Evolutionary Leap
33% of 255 decks +32% synergy
Kindred Discovery
24% of 21 decks +16% synergy
Sylvan Library
21% of 255 decks +10% synergy
Goblin Bombardment
18% of 49 decks +12% synergy
Moldervine Reclamation
18% of 255 decks +9% synergy
Attrition
17% of 357 decks +17% synergy
Pattern of Rebirth
17% of 255 decks +17% synergy
Gift of Doom
17% of 357 decks +16% synergy
Teferi's Ageless Insight
14% of 21 decks +9% synergy
Chthonian Nightmare
14% of 278 decks +12% synergy
Necromancy
14% of 357 decks +11% synergy
Wild Growth
13% of 255 decks +2% synergy
Bastion of Remembrance
13% of 357 decks +7% synergy
Knights' Charge
13% of 39 decks +11% synergy
Cathars' Crusade
13% of 39 decks +7% synergy
Phyrexian Arena
12% of 357 decks -4% synergy
Dictate of Erebos
11% of 357 decks +7% synergy
Fanatical Devotion
10% of 39 decks +10% synergy
Chivalric Alliance
10% of 39 decks +9% synergy
The Meathook Massacre
10% of 357 decks +5% synergy
Necropotence
10% of 357 decks +4% synergy
Ripples of Undeath
10% of 260 decks +5% synergy
Insidious Roots
10% of 242 decks +4% synergy
Sneak Attack
8% of 49 decks +6% synergy
Gift of Immortality
8% of 39 decks +6% synergy
Carpet of Flowers
7% of 255 decks +4% synergy
Dance of the Dead
7% of 357 decks +5% synergy
Black Market Connections
7% of 357 decks -4% synergy
Greater Good
7% of 255 decks +2% synergy
Trudge Garden
6% of 255 decks +5% synergy
Utopia Sprawl
6% of 255 decks -2% synergy
Awakening Zone
5% of 255 decks +3% synergy
Kaya's Ghostform
5% of 357 decks +1% synergy
Exquisite Blood
5% of 357 decks +0% synergy
Defense of the Heart
5% of 255 decks +2% synergy
Planeswalkers
Grist, the Hunger Tide
9% of 255 decks +5% synergy
Utility Lands
Phyrexian Tower
55% of 357 decks +47% synergy
High Market
50% of 357 decks +47% synergy
Urborg, Tomb of Yawgmoth
39% of 357 decks +30% synergy
Bojuka Bog
35% of 357 decks +5% synergy
Yavimaya, Cradle of Growth
27% of 357 decks +18% synergy
Dryad Arbor
23% of 255 decks +19% synergy
Boseiju, Who Endures
21% of 255 decks +2% synergy
Takenuma, Abandoned Mire
21% of 357 decks +11% synergy
Otawara, Soaring City
19% of 21 decks +3% synergy
Barbarian Ring
18% of 49 decks +18% synergy
Eiganjo, Seat of the Empire
15% of 39 decks +7% synergy
Cabal Coffers
15% of 357 decks +5% synergy
Grim Backwoods
15% of 255 decks +11% synergy
Shifting Woodland
13% of 193 decks +7% synergy
Sokenzan, Crucible of Defiance
10% of 49 decks +6% synergy
Castle Locthwain
10% of 357 decks +5% synergy
Spymaster's Vault
10% of 263 decks +7% synergy
Reliquary Tower
9% of 357 decks -21% synergy
Shambling Vent
8% of 39 decks +6% synergy
Castle Ardenvale
8% of 39 decks +3% synergy
Urza's Saga
7% of 357 decks +0% synergy
Arena of Glory
7% of 42 decks +1% synergy
Command Beacon
7% of 357 decks +2% synergy
Mortuary Mire
6% of 357 decks +1% synergy
Witch's Cottage
6% of 357 decks +2% synergy
Mana Artifacts
Sol Ring
94% of 357 decks +9% synergy
Talisman of Indulgence
80% of 49 decks +53% synergy
Arcane Signet
53% of 357 decks -20% synergy
Cursed Mirror
43% of 49 decks +37% synergy
Talisman of Hierarchy
41% of 39 decks +16% synergy
Talisman of Dominance
33% of 21 decks +1% synergy
Talisman of Progress
30% of 20 decks +6% synergy
Talisman of Unity
25% of 12 decks +17% synergy
Azorius Signet
25% of 20 decks -0% synergy
Rakdos Signet
24% of 49 decks -4% synergy
Dimir Signet
24% of 21 decks -5% synergy
Orzhov Signet
23% of 39 decks -4% synergy
Golgari Signet
15% of 255 decks +3% synergy
Talisman of Resilience
15% of 255 decks +2% synergy
Mana Vault
9% of 357 decks +3% synergy
Mana Crypt
9% of 357 decks +3% synergy
Fellwar Stone
7% of 357 decks -14% synergy
Springleaf Drum
5% of 357 decks +3% synergy
Lands
Command Tower
85% of 357 decks +10% synergy
Woodland Cemetery
78% of 255 decks +49% synergy
Sulfurous Springs
78% of 49 decks +56% synergy
Watery Grave
76% of 21 decks +36% synergy
Blood Crypt
76% of 49 decks +37% synergy
Rockfall Vale
75% of 4 decks +53% synergy
Ziatora's Proving Ground
75% of 4 decks +45% synergy
Indatha Triome
75% of 12 decks +45% synergy
Llanowar Wastes
73% of 255 decks +47% synergy
Overgrown Tomb
71% of 255 decks +29% synergy
Hallowed Fountain
70% of 20 decks +30% synergy
Temple Garden
67% of 12 decks +27% synergy
Raffine's Tower
65% of 20 decks +39% synergy
Luxury Suite
63% of 49 decks +37% synergy
Undergrowth Stadium
63% of 255 decks +38% synergy
Godless Shrine
62% of 39 decks +21% synergy
Tainted Wood
61% of 255 decks +48% synergy
Deceptive Landscape
60% of 5 decks +52% synergy
Dragonskull Summit
55% of 49 decks +23% synergy
Arcane Sanctum
55% of 20 decks +27% synergy
Raucous Theater
52% of 44 decks +42% synergy
Twilight Mire
51% of 255 decks +40% synergy
Necroblossom Snarl
51% of 255 decks +39% synergy
Murmuring Bosk
50% of 12 decks +42% synergy
Bountiful Promenade
50% of 12 decks +26% synergy
Caves of Koilos
49% of 39 decks +20% synergy
Deathcap Glade
49% of 255 decks +35% synergy
Underground Mortuary
47% of 242 decks +34% synergy
Darkbore Pathway
43% of 255 decks +35% synergy
Nurturing Peatland
42% of 255 decks +36% synergy
Vault of Champions
41% of 39 decks +15% synergy
Isolated Chapel
41% of 39 decks +11% synergy
Sea of Clouds
40% of 20 decks +14% synergy
Verdant Catacombs
39% of 357 decks +28% synergy
Badlands
39% of 49 decks +26% synergy
Blooming Marsh
38% of 255 decks +34% synergy
Glacial Fortress
35% of 20 decks +7% synergy
Morphic Pool
33% of 21 decks +8% synergy
Drowned Catacomb
33% of 21 decks +7% synergy
Sunken Hollow
33% of 21 decks -1% synergy
Canopy Vista
33% of 12 decks -3% synergy
Undercity Sewers
31% of 16 decks +21% synergy
Fetid Heath
31% of 39 decks +20% synergy
Mount Doom
31% of 49 decks +24% synergy
Prairie Stream
30% of 20 decks -4% synergy
Exotic Orchard
30% of 357 decks -6% synergy
Lush Portico
27% of 11 decks +18% synergy
Blazemire Verge
27% of 26 decks +16% synergy
Meticulous Archive
27% of 15 decks +19% synergy
Blightstep Pathway
27% of 49 decks +17% synergy