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
13.27% of 113 decks 15 decks
Rakdos, the Muscle
1.29% of 2170 decks 28 decks
Meren of Clan Nel Toth
0.72% of 14243 decks 103 decks
High Synergy Cards
Protean Hulk
84% of 131 decks +83% synergy
Eternal Witness
89% of 131 decks +79% synergy
Molten Duplication
81% of 31 decks +79% synergy
Dualcaster Mage
78% of 40 decks +75% synergy
Flare of Duplication
74% of 31 decks +72% synergy
Avacyn's Pilgrim
75% of 8 decks +72% synergy
Spore Frog
73% of 131 decks +71% synergy
Accursed Marauder
77% of 73 decks +71% synergy
Haywire Mite
72% of 130 decks +70% synergy
Sakura-Tribe Elder
79% of 131 decks +70% synergy
Top Cards
Assassin's Trophy
75% of 131 decks +68% synergy
Warren Soultrader
73% of 86 decks +69% synergy
Birds of Paradise
71% of 131 decks +59% synergy
Pinnacle Monk
70% of 27 decks +66% synergy
Viscera Seer
70% of 226 decks +65% synergy
Ingot Chewer
70% of 40 decks +70% synergy
Llanowar Elves
69% of 131 decks +59% synergy
Carrion Feeder
68% of 226 decks +65% synergy
Burnt Offering
68% of 40 decks +67% synergy
Dockside Extortionist
68% of 40 decks +60% synergy
Creatures
Elves of Deep Shadow
66% of 131 decks +63% synergy
Elvish Mystic
66% of 131 decks +57% synergy
Fury
65% of 40 decks +65% synergy
Imperial Recruiter
65% of 40 decks +62% synergy
Cankerbloom
63% of 123 decks +60% synergy
Flamekin Harbinger
62% of 40 decks +62% synergy
Saffi Eriksdotter
62% of 8 decks +62% synergy
Reckless Barbarian
62% of 40 decks +62% synergy
Impulsive Pilferer
62% of 40 decks +61% synergy
Zulaport Cutthroat
61% of 226 decks +56% synergy
Braids, Arisen Nightmare
60% of 226 decks +56% synergy
Prosper, Tome-Bound
60% of 40 decks +59% synergy
Simian Spirit Guide
60% of 40 decks +57% synergy
Birgi, God of Storytelling
60% of 40 decks +57% synergy
Skirk Prospector
57% of 40 decks +56% synergy
Glasspool Mimic
53% of 15 decks +52% synergy
Plaguecrafter
52% of 226 decks +50% synergy
Grim Haruspex
50% of 226 decks +48% synergy
Blood Artist
49% of 226 decks +43% synergy
Fiend Artisan
47% of 131 decks +47% synergy
Fyndhorn Elves
47% of 131 decks +41% synergy
Phantasmal Image
47% of 15 decks +45% synergy
Reveillark
45% of 31 decks +44% synergy
Karmic Guide
45% of 31 decks +43% synergy
Fauna Shaman
43% of 131 decks +41% synergy
Dargo, the Shipwrecker
42% of 40 decks +42% synergy
Magda, Brazen Outlaw
42% of 40 decks +41% synergy
Sylvan Safekeeper
42% of 131 decks +41% 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
Disciple of Freyalise
40% of 47 decks +36% synergy
Dauthi Voidwalker
40% of 226 decks +36% synergy
Mikaeus, the Unhallowed
40% of 226 decks +38% synergy
Cruel Celebrant
39% of 31 decks +37% synergy
Forsaken Miner
39% of 96 decks +38% synergy
Gray Merchant of Asphodel
38% of 226 decks +34% synergy
Mosswood Dreadknight
38% of 98 decks +37% synergy
Renegade Rallier
38% of 8 decks +37% synergy
Farhaven Elf
37% of 131 decks +35% synergy
Yawgmoth, Thran Physician
36% of 226 decks +34% synergy
Body Double
33% of 15 decks +33% synergy
Demon's Disciple
31% of 226 decks +30% synergy
Fleshbag Marauder
31% of 226 decks +29% synergy
Morbid Opportunist
31% of 226 decks +28% synergy
Wight of the Reliquary
30% of 50 decks +28% synergy
Deathrite Shaman
30% of 131 decks +27% synergy
Yahenni, Undying Partisan
29% of 226 decks +28% synergy
Woe Strider
28% of 226 decks +27% synergy
Pitiless Plunderer
28% of 226 decks +24% synergy
Instants
Deflecting Swat
62% of 40 decks +55% synergy
Pyroblast
55% of 40 decks +52% synergy
Swords to Plowshares
55% of 31 decks +26% synergy
Red Elemental Blast
52% of 40 decks +49% synergy
Entomb
50% of 226 decks +46% synergy
Beast Within
49% of 131 decks +30% synergy
Counterspell
47% of 15 decks +26% synergy
Bolt Bend
45% of 40 decks +43% synergy
Dark Ritual
40% of 226 decks +29% synergy
Abrupt Decay
34% of 131 decks +32% synergy
Vampiric Tutor
33% of 226 decks +24% synergy
Anguished Unmaking
32% of 31 decks +27% synergy
Path to Exile
32% of 31 decks +12% synergy
Flare of Malice
31% of 86 decks +30% synergy
Saw in Half
31% of 216 decks +29% synergy
Tear Asunder
31% of 131 decks +29% synergy
Chord of Calling
30% of 131 decks +27% synergy
Void Rend
27% of 15 decks +25% synergy
Culling the Weak
26% of 226 decks +24% synergy
Fell the Profane
26% of 86 decks +19% synergy
Malakir Rebirth
23% of 226 decks +18% synergy
Lightning Bolt
22% of 40 decks +17% synergy
Stroke of Midnight
21% of 19 decks +15% synergy
Worldly Tutor
21% of 131 decks +14% synergy
Force of Negation
20% of 15 decks +15% synergy
Village Rites
19% of 226 decks +14% synergy
Deadly Dispute
19% of 226 decks +13% synergy
Veil of Summer
18% of 131 decks +15% synergy
Noxious Revival
17% of 131 decks +14% synergy
Rakdos Charm
15% of 40 decks +12% synergy
Terminate
15% of 40 decks +10% synergy
Teferi's Protection
13% of 31 decks +4% synergy
Revitalizing Repast
13% of 47 decks +10% synergy
Abrade
12% of 40 decks +7% synergy
Sacrifice
12% of 226 decks +12% synergy
Deadly Rollick
12% of 226 decks +7% synergy
Grisly Salvage
12% of 131 decks +11% synergy
Songs of the Damned
10% of 226 decks +10% synergy
Final Fortune
10% of 40 decks +9% synergy
Bedevil
10% of 40 decks +7% synergy
Chaos Warp
10% of 40 decks -6% synergy
Crop Rotation
10% of 131 decks +5% synergy
Heroic Intervention
10% of 131 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 131 decks +6% synergy
Mausoleum Secrets
8% of 226 decks +8% synergy
Kazuul's Fury
8% of 40 decks +6% synergy
Archdruid's Charm
7% of 70 decks +3% synergy
Sorceries
Reanimate
66% of 226 decks +59% synergy
Infernal Plunge
60% of 40 decks +60% synergy
Rite of Flame
60% of 40 decks +58% synergy
Culling Ritual
43% of 131 decks +40% synergy
Toxic Deluge
42% of 226 decks +33% synergy
Nature's Lore
40% of 131 decks +26% synergy
Farseek
40% of 131 decks +24% synergy
Victimize
39% of 226 decks +33% synergy
Diabolic Intent
38% of 226 decks +34% synergy
Rampant Growth
37% of 131 decks +21% synergy
Damn
35% of 31 decks +32% synergy
Buried Alive
34% of 226 decks +31% synergy
Demonic Tutor
33% of 226 decks +21% synergy
Claim the Firstborn
32% of 40 decks +32% synergy
Three Visits
32% of 131 decks +20% synergy
Eldritch Evolution
31% of 131 decks +28% synergy
Natural Order
28% of 131 decks +27% synergy
Green Sun's Zenith
23% of 131 decks +20% synergy
Gamble
22% of 40 decks +18% synergy
Life // Death
21% of 131 decks +21% synergy
Unmarked Grave
19% of 226 decks +18% synergy
Agadeem's Awakening
19% of 226 decks +18% synergy
Cultivate
18% of 131 decks -4% synergy
Rise of the Witch-king
18% of 114 decks +16% synergy
Blasphemous Act
18% of 40 decks +1% synergy
Finale of Devastation
17% of 131 decks +13% synergy
Feed the Swarm
15% of 226 decks +6% synergy
Persist
15% of 226 decks +13% synergy
Flare of Cultivation
15% of 62 decks +13% synergy
Bala Ged Recovery
15% of 131 decks +10% synergy
Living Death
14% of 226 decks +11% synergy
Unearth
13% of 226 decks +11% synergy
Dread Return
13% of 226 decks +11% synergy
Farewell
13% of 31 decks +7% synergy
Jeska's Will
12% of 40 decks +4% synergy
Squirming Emergence
10% of 87 decks +10% synergy
Shatterskull Smashing
10% of 40 decks +8% synergy
Chain of Smog
10% of 226 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
Insatiable Avarice
9% of 96 decks +6% synergy
Imperial Seal
9% of 226 decks +6% synergy
Molten Collapse
9% of 33 decks +9% synergy
Damnation
8% of 226 decks +4% synergy
Sign in Blood
8% of 226 decks +3% synergy
Jarad's Orders
8% of 131 decks +8% synergy
Grim Tutor
8% of 226 decks +5% synergy
Life from the Loam
8% of 131 decks +6% synergy
Utility Artifacts
Phyrexian Altar
58% of 226 decks +54% synergy
Birthing Pod
49% of 131 decks +48% synergy
Skullclamp
42% of 226 decks +29% synergy
Altar of Dementia
36% of 226 decks +33% synergy
Lightning Greaves
19% of 226 decks -6% synergy
Mithril Coat
17% of 166 decks +11% synergy
Nim Deathmantle
16% of 226 decks +16% synergy
The One Ring
14% of 189 decks +5% synergy
Swiftfoot Boots
13% of 226 decks -15% synergy
Wishclaw Talisman
12% of 226 decks +9% synergy
Bolas's Citadel
10% of 226 decks +5% synergy
Bontu's Monument
9% of 226 decks +7% synergy
Jet Medallion
9% of 226 decks +6% synergy
Urabrask's Forge
8% of 38 decks +7% synergy
Wayfarer's Bauble
6% of 226 decks -4% synergy
Enchantments
Birthing Ritual
56% of 43 decks +55% synergy
Animate Dead
49% of 226 decks +44% synergy
Rhystic Study
47% of 15 decks +33% synergy
Journey to Eternity
37% of 131 decks +36% synergy
Guardian Project
37% of 131 decks +33% synergy
Smothering Tithe
35% of 31 decks +24% synergy
Chthonian Nightmare
35% of 89 decks +33% synergy
Grave Pact
29% of 226 decks +27% synergy
Evolutionary Leap
28% of 131 decks +27% synergy
Sylvan Library
27% of 131 decks +21% synergy
Underworld Breach
25% of 40 decks +22% synergy
Goblin Bombardment
22% of 40 decks +19% synergy
Insidious Roots
21% of 66 decks +19% synergy
Teferi's Ageless Insight
20% of 15 decks +17% synergy
Kindred Discovery
20% of 15 decks +16% synergy
Pattern of Rebirth
18% of 131 decks +17% synergy
Bastion of Remembrance
16% of 226 decks +13% synergy
Moldervine Reclamation
16% of 131 decks +14% synergy
Necromancy
15% of 226 decks +13% synergy
Gift of Doom
14% of 226 decks +14% synergy
Wild Growth
14% of 131 decks +9% synergy
Chivalric Alliance
14% of 22 decks +13% synergy
Cathars' Crusade
13% of 31 decks +10% synergy
Attrition
13% of 226 decks +12% synergy
Dictate of Erebos
13% of 226 decks +11% synergy
Necropotence
13% of 226 decks +10% synergy
Sneak Attack
12% of 40 decks +11% synergy
Phyrexian Arena
12% of 226 decks +4% synergy
Survival of the Fittest
10% of 131 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
Phyrexian Reclamation
8% of 226 decks +6% synergy
Utopia Sprawl
8% of 131 decks +5% synergy
The Meathook Massacre
8% of 226 decks +5% synergy
Ripples of Undeath
8% of 76 decks +4% synergy
Greater Good
8% of 131 decks +5% synergy
Black Market Connections
7% of 226 decks +2% synergy
Trudge Garden
7% of 131 decks +7% synergy
Defense of the Heart
7% of 131 decks +6% synergy
Awakening Zone
7% of 131 decks +6% synergy
Carpet of Flowers
7% of 131 decks +5% synergy
Kaya's Ghostform
7% of 226 decks +5% synergy
Black Market
7% of 226 decks +4% synergy
Dance of the Dead
6% of 226 decks +5% synergy
Cultist of the Absolute
5% of 226 decks +5% synergy
Battles
Invasion of Ikoria
7% of 119 decks +4% synergy
Planeswalkers
Grist, the Hunger Tide
8% of 131 decks +8% synergy
Utility Lands
Phyrexian Tower
50% of 226 decks +45% synergy
High Market
45% of 226 decks +41% synergy
Urborg, Tomb of Yawgmoth
39% of 226 decks +29% synergy
Bojuka Bog
35% of 226 decks +20% synergy
Barbarian Ring
28% of 40 decks +27% synergy
Boseiju, Who Endures
26% of 131 decks +17% synergy
Shifting Woodland
26% of 47 decks +20% synergy
Dryad Arbor
25% of 131 decks +23% synergy
Takenuma, Abandoned Mire
23% of 226 decks +17% synergy
Cabal Coffers
22% of 226 decks +16% synergy
Ancient Tomb
22% of 226 decks +12% synergy
Yavimaya, Cradle of Growth
21% of 226 decks +11% synergy
Otawara, Soaring City
20% of 15 decks +12% synergy
Sokenzan, Crucible of Defiance
15% of 40 decks +12% synergy
Grim Backwoods
14% of 131 decks +13% synergy
Eiganjo, Seat of the Empire
13% of 31 decks +9% synergy
Castle Locthwain
12% of 226 decks +9% synergy
Shambling Vent
10% of 31 decks +9% synergy
Spymaster's Vault
9% of 86 decks +7% synergy
Cabal Stronghold
9% of 226 decks +7% synergy
Reliquary Tower
9% of 226 decks -20% synergy
Command Beacon
8% of 226 decks +3% synergy
Urza's Saga
8% of 226 decks +0% synergy
Field of the Dead
7% of 226 decks +3% synergy
Witch's Cottage
6% of 226 decks +4% synergy
Gaea's Cradle
5% of 131 decks +3% synergy
Volrath's Stronghold
5% of 226 decks +5% synergy
City of Traitors
5% of 226 decks +5% synergy
Mortuary Mire
5% of 226 decks +3% synergy
Mana Artifacts
Sol Ring
93% of 226 decks +9% synergy
Talisman of Indulgence
80% of 40 decks +74% synergy
Arcane Signet
55% of 226 decks -16% synergy
Talisman of Hierarchy
42% of 31 decks +36% synergy
Cursed Mirror
38% of 40 decks +35% synergy
Talisman of Dominance
33% of 15 decks +26% 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
20% of 226 decks +9% synergy
Chrome Mox
17% of 226 decks +11% synergy
Jeweled Lotus
16% of 226 decks +9% synergy
Talisman of Resilience
16% of 131 decks +14% synergy
Lotus Petal
15% of 226 decks +8% synergy
Golgari Signet
14% of 131 decks +11% synergy
Mana Vault
14% of 226 decks +7% synergy
Fellwar Stone
10% of 226 decks -11% synergy
Rakdos Signet
10% of 40 decks +3% synergy
Mind Stone
10% of 226 decks -8% synergy
Lion's Eye Diamond
7% of 226 decks +5% synergy
Springleaf Drum
7% of 226 decks +5% synergy
Thought Vessel
5% of 226 decks -11% synergy
Lands
Command Tower
79% of 226 decks +6% synergy
Blood Crypt
78% of 40 decks +69% synergy
Temple Garden
75% of 8 decks +66% synergy
Indatha Triome
75% of 8 decks +72% synergy
Sulfurous Springs
75% of 40 decks +71% synergy
Woodland Cemetery
74% of 131 decks +68% synergy
Llanowar Wastes
73% of 131 decks +67% synergy
Raffine's Tower
67% of 15 decks +63% synergy
Watery Grave
67% of 15 decks +56% synergy
Overgrown Tomb
66% of 131 decks +57% synergy
Luxury Suite
65% of 40 decks +59% synergy
Undergrowth Stadium
65% of 131 decks +59% synergy
Bountiful Promenade
62% of 8 decks +57% synergy
Arcane Sanctum
60% of 15 decks +57% synergy
Hallowed Fountain
60% of 15 decks +51% synergy
Raucous Theater
58% of 33 decks +54% synergy
Godless Shrine
55% of 31 decks +46% synergy
Underground Mortuary
54% of 85 decks +50% synergy
Dragonskull Summit
52% of 40 decks +46% synergy
Murmuring Bosk
50% of 8 decks +49% synergy
Canopy Vista
50% of 8 decks +42% synergy
Tainted Wood
50% of 131 decks +47% synergy
Caves of Koilos
48% of 31 decks +42% synergy
Badlands
48% of 40 decks +44% synergy
Darkbore Pathway
47% of 131 decks +45% synergy
Twilight Mire
44% of 131 decks +42% synergy
Deathcap Glade
43% of 131 decks +40% synergy
Necroblossom Snarl
41% of 131 decks +39% synergy
Sea of Clouds
40% of 15 decks +34% synergy
Nurturing Peatland
39% of 131 decks +38% 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
Sandsteppe Citadel
38% of 8 decks +35% synergy
Temple of Plenty
38% of 8 decks +35% synergy
Blooming Marsh
35% of 131 decks +34% synergy
Verdant Catacombs
35% of 226 decks +23% 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
Exotic Orchard
29% of 226 decks -6% 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
Mount Doom
24% of 37 decks +23% synergy
Temple of Malady
23% of 131 decks +19% synergy
Golgari Rot Farm
23% of 131 decks +19% synergy