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.

Moira, Urborg Haunt
12.61% of 119 decks 15 decks
Rakdos, the Muscle
1.08% of 2122 decks 23 decks
Meren of Clan Nel Toth
0.71% of 14168 decks 101 decks
High Synergy Cards
Protean Hulk
83% of 129 decks +82% synergy
Eternal Witness
89% of 129 decks +79% synergy
Molten Duplication
77% of 26 decks +75% synergy
Dualcaster Mage
74% of 35 decks +72% synergy
Avacyn's Pilgrim
75% of 8 decks +72% synergy
Flare of Duplication
73% of 26 decks +71% synergy
Spore Frog
72% of 129 decks +71% synergy
Accursed Marauder
76% of 66 decks +70% synergy
Sakura-Tribe Elder
78% of 129 decks +69% synergy
Haywire Mite
71% of 128 decks +69% synergy
Top Cards
Assassin's Trophy
74% of 129 decks +68% synergy
Viscera Seer
72% of 219 decks +67% synergy
Birds of Paradise
71% of 129 decks +59% synergy
Warren Soultrader
71% of 79 decks +66% synergy
Llanowar Elves
68% of 129 decks +58% synergy
Carrion Feeder
67% of 219 decks +64% synergy
Elves of Deep Shadow
66% of 129 decks +63% synergy
Ingot Chewer
66% of 35 decks +65% synergy
Reanimate
65% of 219 decks +58% synergy
Elvish Mystic
65% of 129 decks +57% synergy
Creatures
Pinnacle Monk
64% of 22 decks +59% synergy
Dockside Extortionist
63% of 35 decks +55% synergy
Cankerbloom
63% of 121 decks +59% synergy
Saffi Eriksdotter
62% of 8 decks +62% synergy
Zulaport Cutthroat
62% of 219 decks +57% synergy
Braids, Arisen Nightmare
60% of 219 decks +56% synergy
Flamekin Harbinger
60% of 35 decks +60% synergy
Fury
60% of 35 decks +60% synergy
Reckless Barbarian
60% of 35 decks +59% synergy
Impulsive Pilferer
60% of 35 decks +59% synergy
Imperial Recruiter
60% of 35 decks +57% synergy
Prosper, Tome-Bound
54% of 35 decks +54% synergy
Simian Spirit Guide
54% of 35 decks +52% synergy
Birgi, God of Storytelling
54% of 35 decks +51% synergy
Glasspool Mimic
53% of 15 decks +52% synergy
Plaguecrafter
53% of 219 decks +50% synergy
Skirk Prospector
51% of 35 decks +50% synergy
Grim Haruspex
51% of 219 decks +48% synergy
Blood Artist
49% of 219 decks +43% synergy
Fiend Artisan
47% of 129 decks +47% synergy
Phantasmal Image
47% of 15 decks +45% synergy
Fyndhorn Elves
47% of 129 decks +40% synergy
Reveillark
45% of 31 decks +44% synergy
Karmic Guide
45% of 31 decks +43% synergy
Fauna Shaman
43% of 129 decks +42% synergy
Elas il-Kor, Sadistic Pilgrim
42% of 31 decks +39% synergy
Sun Titan
42% of 31 decks +37% synergy
Bartolomé del Presidio
41% of 17 decks +39% synergy
Sylvan Safekeeper
41% of 129 decks +40% synergy
Mikaeus, the Unhallowed
40% of 219 decks +39% synergy
Gray Merchant of Asphodel
39% of 219 decks +35% synergy
Dauthi Voidwalker
39% of 219 decks +34% synergy
Cruel Celebrant
39% of 31 decks +37% synergy
Disciple of Freyalise
38% of 45 decks +34% synergy
Renegade Rallier
38% of 8 decks +37% synergy
Mosswood Dreadknight
36% of 96 decks +36% synergy
Yawgmoth, Thran Physician
36% of 219 decks +34% synergy
Farhaven Elf
36% of 129 decks +34% synergy
Forsaken Miner
35% of 89 decks +34% synergy
Dargo, the Shipwrecker
34% of 35 decks +34% synergy
Magda, Brazen Outlaw
34% of 35 decks +33% synergy
Body Double
33% of 15 decks +33% synergy
Wight of the Reliquary
31% of 48 decks +29% synergy
Demon's Disciple
31% of 219 decks +30% synergy
Fleshbag Marauder
31% of 219 decks +29% synergy
Morbid Opportunist
31% of 219 decks +28% synergy
Deathrite Shaman
30% of 129 decks +28% synergy
Woe Strider
29% of 219 decks +28% synergy
Yahenni, Undying Partisan
29% of 219 decks +28% synergy
Pitiless Plunderer
29% of 219 decks +25% synergy
Instants
Burnt Offering
63% of 35 decks +62% synergy
Deflecting Swat
57% of 35 decks +49% synergy
Swords to Plowshares
55% of 31 decks +26% synergy
Entomb
49% of 219 decks +45% synergy
Pyroblast
49% of 35 decks +45% synergy
Red Elemental Blast
49% of 35 decks +45% synergy
Beast Within
48% of 129 decks +30% synergy
Counterspell
47% of 15 decks +26% synergy
Bolt Bend
43% of 35 decks +41% synergy
Dark Ritual
39% of 219 decks +28% synergy
Abrupt Decay
35% of 129 decks +33% synergy
Anguished Unmaking
32% of 31 decks +27% synergy
Path to Exile
32% of 31 decks +12% synergy
Vampiric Tutor
32% of 219 decks +22% synergy
Tear Asunder
29% of 129 decks +28% synergy
Saw in Half
29% of 209 decks +28% synergy
Flare of Malice
29% of 79 decks +27% synergy
Chord of Calling
29% of 129 decks +26% synergy
Void Rend
27% of 15 decks +25% synergy
Lightning Bolt
26% of 35 decks +21% synergy
Culling the Weak
25% of 219 decks +23% synergy
Fell the Profane
24% of 79 decks +17% synergy
Malakir Rebirth
23% of 219 decks +19% synergy
Stroke of Midnight
21% of 19 decks +15% synergy
Worldly Tutor
21% of 129 decks +14% synergy
Village Rites
20% of 219 decks +15% synergy
Force of Negation
20% of 15 decks +15% synergy
Deadly Dispute
19% of 219 decks +13% synergy
Veil of Summer
18% of 129 decks +15% synergy
Rakdos Charm
17% of 35 decks +14% synergy
Terminate
17% of 35 decks +12% synergy
Noxious Revival
17% of 129 decks +14% synergy
Revitalizing Repast
13% of 45 decks +10% synergy
Teferi's Protection
13% of 31 decks +4% synergy
Grisly Salvage
12% of 129 decks +11% synergy
Deadly Rollick
12% of 219 decks +7% synergy
Bedevil
11% of 35 decks +8% synergy
Abrade
11% of 35 decks +6% synergy
Chaos Warp
11% of 35 decks -4% synergy
Sacrifice
11% of 219 decks +10% synergy
Crop Rotation
10% of 129 decks +5% synergy
Heroic Intervention
10% of 129 decks -4% synergy
Brought Back
10% of 31 decks +9% synergy
Fracture
10% of 31 decks +8% synergy
Generous Gift
10% of 31 decks -2% synergy
Putrefy
9% of 129 decks +6% synergy
Songs of the Damned
9% of 219 decks +8% synergy
Final Fortune
9% of 35 decks +8% synergy
Kazuul's Fury
9% of 35 decks +7% synergy
Mausoleum Secrets
8% of 219 decks +8% synergy
Sorceries
Infernal Plunge
57% of 35 decks +57% synergy
Rite of Flame
54% of 35 decks +53% synergy
Culling Ritual
43% of 129 decks +41% synergy
Toxic Deluge
42% of 219 decks +34% synergy
Victimize
40% of 219 decks +34% synergy
Nature's Lore
40% of 129 decks +25% synergy
Farseek
40% of 129 decks +24% synergy
Diabolic Intent
37% of 219 decks +32% synergy
Rampant Growth
36% of 129 decks +20% synergy
Damn
35% of 31 decks +32% synergy
Buried Alive
35% of 219 decks +32% synergy
Claim the Firstborn
34% of 35 decks +34% synergy
Demonic Tutor
32% of 219 decks +20% synergy
Eldritch Evolution
31% of 129 decks +29% synergy
Three Visits
31% of 129 decks +19% synergy
Natural Order
27% of 129 decks +26% synergy
Gamble
23% of 35 decks +18% synergy
Green Sun's Zenith
22% of 129 decks +19% synergy
Life // Death
22% of 129 decks +21% synergy
Blasphemous Act
20% of 35 decks +4% synergy
Unmarked Grave
20% of 219 decks +18% synergy
Agadeem's Awakening
19% of 219 decks +17% synergy
Rise of the Witch-king
18% of 112 decks +16% synergy
Cultivate
18% of 129 decks -4% synergy
Finale of Devastation
17% of 129 decks +13% synergy
Feed the Swarm
16% of 219 decks +6% synergy
Flare of Cultivation
15% of 60 decks +14% synergy
Bala Ged Recovery
15% of 129 decks +10% synergy
Living Death
15% of 219 decks +12% synergy
Persist
14% of 219 decks +12% synergy
Dread Return
13% of 219 decks +11% synergy
Farewell
13% of 31 decks +7% synergy
Unearth
12% of 219 decks +10% synergy
Shatterskull Smashing
11% of 35 decks +10% synergy
Jeska's Will
11% of 35 decks +3% synergy
Molten Collapse
11% of 28 decks +10% synergy
Squirming Emergence
11% of 85 decks +10% synergy
Insatiable Avarice
10% of 89 decks +7% synergy
Chain of Smog
10% of 219 decks +9% synergy
Rite of Oblivion
10% of 31 decks +9% synergy
Vanquish the Horde
10% of 31 decks +8% synergy
Sevinne's Reclamation
10% of 31 decks +6% synergy
Austere Command
10% of 31 decks +4% synergy
Imperial Seal
9% of 219 decks +6% synergy
Damnation
9% of 219 decks +4% synergy
Sign in Blood
9% of 219 decks +4% synergy
Faithless Looting
9% of 35 decks +0% synergy
Jarad's Orders
9% of 129 decks +8% synergy
Grim Tutor
8% of 219 decks +6% synergy
Life from the Loam
8% of 129 decks +6% synergy
Utility Artifacts
Phyrexian Altar
57% of 219 decks +53% synergy
Birthing Pod
48% of 129 decks +47% synergy
Skullclamp
43% of 219 decks +31% synergy
Altar of Dementia
37% of 219 decks +34% synergy
Lightning Greaves
20% of 219 decks -6% synergy
Mithril Coat
17% of 159 decks +11% synergy
Nim Deathmantle
17% of 219 decks +16% synergy
The One Ring
14% of 182 decks +5% synergy
Swiftfoot Boots
13% of 219 decks -15% synergy
Wishclaw Talisman
11% of 219 decks +8% synergy
Bolas's Citadel
10% of 219 decks +5% synergy
Bontu's Monument
9% of 219 decks +7% synergy
Jet Medallion
9% of 219 decks +7% synergy
Urabrask's Forge
9% of 33 decks +8% synergy
Wayfarer's Bauble
6% of 219 decks -4% synergy
Enchantments
Birthing Ritual
55% of 40 decks +54% synergy
Animate Dead
48% of 219 decks +44% synergy
Rhystic Study
47% of 15 decks +33% synergy
Journey to Eternity
36% of 129 decks +35% synergy
Guardian Project
36% of 129 decks +32% synergy
Smothering Tithe
35% of 31 decks +24% synergy
Chthonian Nightmare
33% of 82 decks +31% synergy
Grave Pact
29% of 219 decks +27% synergy
Underworld Breach
29% of 35 decks +26% synergy
Evolutionary Leap
27% of 129 decks +26% synergy
Sylvan Library
27% of 129 decks +21% synergy
Goblin Bombardment
26% of 35 decks +22% synergy
Insidious Roots
22% of 64 decks +20% synergy
Teferi's Ageless Insight
20% of 15 decks +17% synergy
Kindred Discovery
20% of 15 decks +16% synergy
Pattern of Rebirth
17% of 129 decks +17% synergy
Bastion of Remembrance
17% of 219 decks +14% synergy
Moldervine Reclamation
16% of 129 decks +14% synergy
Necromancy
15% of 219 decks +14% synergy
Sneak Attack
14% of 35 decks +13% synergy
Wild Growth
14% of 129 decks +9% synergy
Gift of Doom
14% of 219 decks +13% synergy
Necropotence
14% of 219 decks +11% synergy
Chivalric Alliance
14% of 22 decks +13% synergy
Dictate of Erebos
13% of 219 decks +11% synergy
Cathars' Crusade
13% of 31 decks +10% synergy
Attrition
13% of 219 decks +12% synergy
Phyrexian Arena
12% of 219 decks +4% synergy
Survival of the Fittest
10% of 129 decks +9% synergy
Knights' Charge
10% of 31 decks +9% synergy
Gift of Immortality
10% of 31 decks +9% synergy
Anointed Procession
10% of 31 decks +6% synergy
Ripples of Undeath
9% of 68 decks +5% synergy
Phyrexian Reclamation
9% of 219 decks +7% synergy
The Meathook Massacre
9% of 219 decks +6% synergy
Utopia Sprawl
9% of 129 decks +5% synergy
Greater Good
8% of 129 decks +5% synergy
Black Market Connections
7% of 219 decks +2% synergy
Trudge Garden
7% of 129 decks +7% synergy
Defense of the Heart
7% of 129 decks +6% synergy
Awakening Zone
7% of 129 decks +6% synergy
Carpet of Flowers
7% of 129 decks +5% synergy
Dance of the Dead
7% of 219 decks +6% synergy
Kaya's Ghostform
7% of 219 decks +5% synergy
Black Market
7% of 219 decks +4% synergy
Cultist of the Absolute
5% of 219 decks +5% synergy
Battles
Invasion of Ikoria
7% of 117 decks +4% synergy
Planeswalkers
Grist, the Hunger Tide
9% of 129 decks +8% synergy
Utility Lands
Phyrexian Tower
48% of 219 decks +44% synergy
High Market
45% of 219 decks +42% synergy
Urborg, Tomb of Yawgmoth
40% of 219 decks +30% synergy
Bojuka Bog
36% of 219 decks +21% synergy
Barbarian Ring
29% of 35 decks +28% synergy
Boseiju, Who Endures
26% of 129 decks +17% synergy
Dryad Arbor
26% of 129 decks +24% synergy
Shifting Woodland
24% of 45 decks +19% synergy
Takenuma, Abandoned Mire
23% of 219 decks +18% synergy
Cabal Coffers
23% of 219 decks +17% synergy
Yavimaya, Cradle of Growth
21% of 219 decks +11% synergy
Ancient Tomb
21% of 219 decks +10% synergy
Otawara, Soaring City
20% of 15 decks +12% synergy
Sokenzan, Crucible of Defiance
17% of 35 decks +15% synergy
Grim Backwoods
14% of 129 decks +13% synergy
Eiganjo, Seat of the Empire
13% of 31 decks +9% synergy
Castle Locthwain
12% of 219 decks +9% synergy
Spymaster's Vault
10% of 79 decks +8% synergy
Shambling Vent
10% of 31 decks +9% synergy
Cabal Stronghold
9% of 219 decks +7% synergy
Reliquary Tower
9% of 219 decks -20% synergy
Command Beacon
8% of 219 decks +3% synergy
Urza's Saga
8% of 219 decks +1% synergy
Field of the Dead
7% of 219 decks +3% synergy
Witch's Cottage
6% of 219 decks +4% synergy
Volrath's Stronghold
5% of 219 decks +5% synergy
Mortuary Mire
5% of 219 decks +3% synergy
Gaea's Cradle
5% of 129 decks +3% synergy
Strip Mine
5% of 219 decks +2% synergy
Nykthos, Shrine to Nyx
5% of 219 decks -1% synergy
Mana Artifacts
Sol Ring
93% of 219 decks +9% synergy
Talisman of Indulgence
77% of 35 decks +71% synergy
Arcane Signet
55% of 219 decks -17% synergy
Talisman of Hierarchy
42% of 31 decks +36% synergy
Talisman of Dominance
33% of 15 decks +26% synergy
Cursed Mirror
31% of 35 decks +29% synergy
Talisman of Progress
27% of 15 decks +22% synergy
Orzhov Signet
23% of 31 decks +16% synergy
Azorius Signet
20% of 15 decks +14% synergy
Dimir Signet
20% of 15 decks +12% synergy
Mana Crypt
19% of 219 decks +8% synergy
Chrome Mox
16% of 219 decks +9% synergy
Talisman of Resilience
16% of 129 decks +13% synergy
Jeweled Lotus
15% of 219 decks +8% synergy
Golgari Signet
14% of 129 decks +11% synergy
Lotus Petal
13% of 219 decks +7% synergy
Mana Vault
12% of 219 decks +5% synergy
Rakdos Signet
11% of 35 decks +5% synergy
Fellwar Stone
11% of 219 decks -10% synergy
Mind Stone
10% of 219 decks -8% synergy
Springleaf Drum
7% of 219 decks +5% synergy
Lion's Eye Diamond
5% of 219 decks +4% synergy
Thought Vessel
5% of 219 decks -11% synergy
Lands
Command Tower
79% of 219 decks +5% synergy
Temple Garden
75% of 8 decks +66% synergy
Indatha Triome
75% of 8 decks +72% synergy
Blood Crypt
74% of 35 decks +65% synergy
Woodland Cemetery
74% of 129 decks +68% synergy
Llanowar Wastes
72% of 129 decks +67% synergy
Sulfurous Springs
71% of 35 decks +67% synergy
Raffine's Tower
67% of 15 decks +63% synergy
Overgrown Tomb
67% of 129 decks +57% synergy
Watery Grave
67% of 15 decks +56% synergy
Undergrowth Stadium
65% of 129 decks +60% synergy
Bountiful Promenade
62% of 8 decks +57% synergy
Arcane Sanctum
60% of 15 decks +57% synergy
Luxury Suite
60% of 35 decks +54% synergy
Hallowed Fountain
60% of 15 decks +51% synergy
Godless Shrine
55% of 31 decks +46% synergy
Underground Mortuary
54% of 83 decks +50% synergy
Murmuring Bosk
50% of 8 decks +49% synergy
Raucous Theater
50% of 28 decks +47% synergy
Canopy Vista
50% of 8 decks +42% synergy
Tainted Wood
49% of 129 decks +46% synergy
Dragonskull Summit
49% of 35 decks +42% synergy
Caves of Koilos
48% of 31 decks +42% synergy
Darkbore Pathway
46% of 129 decks +44% synergy
Twilight Mire
43% of 129 decks +41% synergy
Deathcap Glade
42% of 129 decks +39% synergy
Necroblossom Snarl
40% of 129 decks +38% synergy
Badlands
40% of 35 decks +37% synergy
Sea of Clouds
40% of 15 decks +34% synergy
Fetid Heath
39% of 31 decks +36% synergy
Vault of Champions
39% of 31 decks +33% synergy
Isolated Chapel
39% of 31 decks +33% synergy
Nurturing Peatland
38% of 129 decks +37% synergy
Sandsteppe Citadel
38% of 8 decks +35% synergy
Temple of Plenty
38% of 8 decks +35% synergy
Blooming Marsh
34% of 129 decks +33% synergy
Glacial Fortress
33% of 15 decks +28% synergy
Drowned Catacomb
33% of 15 decks +27% synergy
Morphic Pool
33% of 15 decks +27% synergy
Sunken Hollow
33% of 15 decks +25% synergy
Verdant Catacombs
33% of 219 decks +21% synergy
Exotic Orchard
28% of 219 decks -7% synergy
Underground River
27% of 15 decks +22% synergy
Shipwreck Marsh
27% of 15 decks +22% synergy
Prairie Stream
27% of 15 decks +19% synergy
Shattered Sanctum
26% of 31 decks +23% synergy
Temple of Silence
26% of 31 decks +22% synergy
Temple of Malady
23% of 129 decks +20% synergy
Golgari Rot Farm
23% of 129 decks +19% synergy
Blightstep Pathway
23% of 35 decks +21% synergy