Cavalier of Night
Mirror Image
Altar of Dementia

   Prerequisites

What do I need to start this combo?
All permanents on the battlefield (Mirror Image as a copy of Cavalier of Night on the battlefield).

   Steps

How does this combo work?
1
Activate Altar of Dementia by sacrificing Mirror Image.
2
When Mirror Image dies, its last ability from Cavalier of Night triggers, returning itself from your graveyard to the battlefield as a copy of Cavalier of Night.
3
When Mirror Image enters the battlefield, its first triggered ability from Cavalier of Night triggers; choose not to sacrifice a creature.
4
Resolve the Altar of Dementia ability from step 1.
5
Repeat.

   Results

What do I get from this combo?
Infinite death triggers
Infinite ETB
Infinite LTB
Infinite mill
Infinite sacrifice triggers
Infinite self-mill
Sefris of the Hidden Ways
0.1%inclusion8 decks10.1K decks
Muldrotha, the Gravetide
0.0%inclusion5 decks21.2K decks
Araumi of the Dead Tide
0.1%inclusion5 decks3.39K decks
Sidar Jabari of Zhalfir
0.0%inclusion3 decks16.3K decks
Mirko, Obsessive Theorist
0.0%inclusion1 decks9.62K decks
Marchesa, the Black Rose
0.0%inclusion1 decks11.7K decks
High Synergy Cards
Tamiyo, Collector of Tales
100%inclusion5 decks5 decks
99%synergy
Insidious Fungus
100%inclusion4 decks4 decks
98%synergy
Teval, the Balanced Scale
100%inclusion4 decks4 decks
98%synergy
Awaken the Honored Dead
100%inclusion4 decks4 decks
96%synergy
Icetill Explorer
100%inclusion4 decks4 decks
93%synergy
Rootcoil Creeper
80%inclusion4 decks5 decks
79%synergy
Pernicious Deed
80%inclusion4 decks5 decks
79%synergy
Hermit Druid
80%inclusion4 decks5 decks
78%synergy
Wrenn and Realmbreaker
80%inclusion4 decks5 decks
78%synergy
Song of the Dryads
80%inclusion4 decks5 decks
78%synergy
Top Cards
Shigeki, Jukai Visionary
80%inclusion4 decks5 decks
78%synergy
Spore Frog
80%inclusion4 decks5 decks
77%synergy
Sidisi, Brood Tyrant
80%inclusion4 decks5 decks
77%synergy
Haywire Mite
80%inclusion4 decks5 decks
76%synergy
Grist, the Hunger Tide
80%inclusion4 decks5 decks
76%synergy
Aftermath Analyst
80%inclusion4 decks5 decks
76%synergy
Life from the Loam
80%inclusion4 decks5 decks
76%synergy
Six
80%inclusion4 decks5 decks
75%synergy
Skull Prophet
80%inclusion4 decks5 decks
74%synergy
Binding the Old Gods
80%inclusion4 decks5 decks
74%synergy
Game Changers
Field of the Dead
17%inclusion4 decks23 decks
14%synergy
Creatures
Dryad of the Ilysian Grove
80%inclusion4 decks5 decks
72%synergy
Deathrite Shaman
80%inclusion4 decks5 decks
69%synergy
Eternal Witness
80%inclusion4 decks5 decks
63%synergy
Birds of Paradise
80%inclusion4 decks5 decks
52%synergy
Kheru Goldkeeper
75%inclusion3 decks4 decks
70%synergy
Reveillark
73%inclusion8 decks11 decks
72%synergy
Karmic Guide
73%inclusion8 decks11 decks
69%synergy
Sun Titan
73%inclusion8 decks11 decks
64%synergy
Radiant Solar
64%inclusion7 decks11 decks
63%synergy
Glasspool Mimic
61%inclusion14 decks23 decks
58%synergy
Grist, Voracious Larva
60%inclusion3 decks5 decks
58%synergy
Bloom Tender
60%inclusion3 decks5 decks
52%synergy
Plaguecrafter
57%inclusion13 decks23 decks
52%synergy
Vile Entomber
48%inclusion11 decks23 decks
46%synergy
Nadaar, Selfless Paladin
45%inclusion5 decks11 decks
45%synergy
Hama Pashar, Ruin Seeker
45%inclusion5 decks11 decks
45%synergy
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45%inclusion5 decks11 decks
44%synergy
Phantasmal Image
43%inclusion10 decks23 decks
41%synergy
Stitcher's Supplier
39%inclusion9 decks23 decks
35%synergy
Cavalier of Dawn
36%inclusion4 decks11 decks
36%synergy
Seasoned Dungeoneer
36%inclusion4 decks11 decks
36%synergy
Abdel Adrian, Gorion's Ward
36%inclusion4 decks11 decks
35%synergy
Ashen Rider
36%inclusion4 decks11 decks
35%synergy
Cathar Commando
36%inclusion4 decks11 decks
34%synergy
Angel of the Ruins
36%inclusion4 decks11 decks
33%synergy
Bartolomé del Presidio
36%inclusion4 decks11 decks
32%synergy
Carrion Feeder
35%inclusion8 decks23 decks
30%synergy
Mulldrifter
35%inclusion8 decks23 decks
30%synergy
Viscera Seer
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27%synergy
Syr Konrad, the Grim
35%inclusion8 decks23 decks
26%synergy
Obsessive Stitcher
30%inclusion7 decks23 decks
29%synergy
Demon's Disciple
30%inclusion7 decks23 decks
29%synergy
Spark Double
30%inclusion7 decks23 decks
24%synergy
Solemn Simulacrum
30%inclusion7 decks23 decks
18%synergy
Baleful Strix
30%inclusion7 decks23 decks
17%synergy
Westfold Rider
27%inclusion3 decks11 decks
27%synergy
Kinsbaile Cavalier
27%inclusion3 decks11 decks
27%synergy
Triumphant Adventurer
27%inclusion3 decks11 decks
27%synergy
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27%inclusion3 decks11 decks
26%synergy
Fiend Hunter
27%inclusion3 decks11 decks
26%synergy
Knight Exemplar
27%inclusion3 decks11 decks
26%synergy
Elas il-Kor, Sadistic Pilgrim
27%inclusion3 decks11 decks
17%synergy
Deranged Assistant
26%inclusion6 decks23 decks
25%synergy
Ghostly Pilferer
26%inclusion6 decks23 decks
24%synergy
Archaeomancer
26%inclusion6 decks23 decks
23%synergy
Volatile Stormdrake
24%inclusion4 decks17 decks
22%synergy
Neerdiv, Devious Diver
23%inclusion3 decks13 decks
23%synergy
Oriq Loremage
22%inclusion5 decks23 decks
21%synergy
Millikin
22%inclusion5 decks23 decks
21%synergy
Vohar, Vodalian Desecrator
22%inclusion5 decks23 decks
20%synergy
Instants
Swords to Plowshares
64%inclusion7 decks11 decks
2%synergy
Counterspell
39%inclusion9 decks23 decks
-3%synergy
Void Rend
36%inclusion4 decks11 decks
22%synergy
Path to Exile
36%inclusion4 decks11 decks
-11%synergy
Despark
27%inclusion3 decks11 decks
14%synergy
Dovin's Veto
27%inclusion3 decks11 decks
9%synergy
Entomb
26%inclusion6 decks23 decks
19%synergy
Negate
26%inclusion6 decks23 decks
5%synergy
Dark Ritual
26%inclusion6 decks23 decks
2%synergy
An Offer You Can't Refuse
22%inclusion5 decks23 decks
-3%synergy
Overwhelming Remorse
17%inclusion4 decks23 decks
17%synergy
Muddle the Mixture
17%inclusion4 decks23 decks
13%synergy
Thirst for Discovery
13%inclusion3 decks23 decks
12%synergy
Otherworldly Gaze
13%inclusion3 decks23 decks
12%synergy
Fact or Fiction
13%inclusion3 decks23 decks
8%synergy
Consider
13%inclusion3 decks23 decks
7%synergy
Frantic Search
13%inclusion3 decks23 decks
-1%synergy
Sorceries
Bala Ged Recovery
60%inclusion3 decks5 decks
52%synergy
Damn
55%inclusion6 decks11 decks
39%synergy
Buried Alive
48%inclusion11 decks23 decks
42%synergy
Victimize
43%inclusion10 decks23 decks
31%synergy
Unmarked Grave
30%inclusion7 decks23 decks
28%synergy
Dread Return
26%inclusion6 decks23 decks
21%synergy
Reanimate
22%inclusion5 decks23 decks
3%synergy
Unearth
17%inclusion4 decks23 decks
14%synergy
Living Death
17%inclusion4 decks23 decks
12%synergy
Persist
13%inclusion3 decks23 decks
11%synergy
Whispering Madness
13%inclusion3 decks23 decks
11%synergy
Diabolic Intent
13%inclusion3 decks23 decks
5%synergy
Toxic Deluge
13%inclusion3 decks23 decks
-5%synergy
Utility Artifacts
Mesmeric Orb
26%inclusion6 decks23 decks
25%synergy
Lightning Greaves
26%inclusion6 decks23 decks
1%synergy
Ashnod's Altar
22%inclusion5 decks23 decks
15%synergy
Swiftfoot Boots
22%inclusion5 decks23 decks
-6%synergy
Perpetual Timepiece
17%inclusion4 decks23 decks
17%synergy
Aether Spellbomb
17%inclusion4 decks23 decks
16%synergy
Phyrexian Altar
17%inclusion4 decks23 decks
14%synergy
Convergence of Dominion
13%inclusion3 decks23 decks
13%synergy
Ensnaring Bridge
13%inclusion3 decks23 decks
13%synergy
Stone of Erech
13%inclusion3 decks23 decks
13%synergy
Matzalantli, the Great Door
13%inclusion3 decks23 decks
12%synergy
Soul-Guide Lantern
13%inclusion3 decks23 decks
12%synergy
Bontu's Monument
13%inclusion3 decks23 decks
11%synergy
Wayfarer's Bauble
13%inclusion3 decks23 decks
5%synergy
Enchantments
Seal of Primordium
60%inclusion3 decks5 decks
59%synergy
Ripples of Undeath
53%inclusion9 decks17 decks
48%synergy
Animate Dead
43%inclusion10 decks23 decks
34%synergy
Necromancy
26%inclusion6 decks23 decks
23%synergy
Kaya's Ghostform
26%inclusion6 decks23 decks
22%synergy
Tortured Existence
22%inclusion5 decks23 decks
20%synergy
Mystic Remora
22%inclusion5 decks23 decks
5%synergy
Grafted Identity
17%inclusion4 decks23 decks
17%synergy
The Cruelty of Gix
17%inclusion4 decks23 decks
16%synergy
The Eldest Reborn
17%inclusion4 decks23 decks
16%synergy
Secrets of the Dead
13%inclusion3 decks23 decks
12%synergy
Heartless Summoning
13%inclusion3 decks23 decks
12%synergy
Imprisoned in the Moon
13%inclusion3 decks23 decks
9%synergy
Black Market Connections
13%inclusion3 decks23 decks
1%synergy
Battles
Invasion of Fiora
13%inclusion3 decks23 decks
12%synergy
Invasion of Amonkhet
13%inclusion3 decks23 decks
12%synergy
Planeswalkers
Ashiok, Dream Render
30%inclusion7 decks23 decks
28%synergy
Jace, Wielder of Mysteries
17%inclusion4 decks23 decks
14%synergy
Teferi, Master of Time
13%inclusion3 decks23 decks
11%synergy
Utility Lands
Shifting Woodland
80%inclusion4 decks5 decks
73%synergy
Boseiju, Who Endures
80%inclusion4 decks5 decks
61%synergy
Takenuma, Abandoned Mire
35%inclusion8 decks23 decks
26%synergy
Restless Reef
22%inclusion5 decks23 decks
20%synergy
Nephalia Drownyard
17%inclusion4 decks23 decks
15%synergy
Dakmor Salvage
17%inclusion4 decks23 decks
15%synergy
Thespian's Stage
17%inclusion4 decks23 decks
15%synergy
Strip Mine
17%inclusion4 decks23 decks
15%synergy
Geier Reach Sanitarium
17%inclusion4 decks23 decks
14%synergy
Command Beacon
17%inclusion4 decks23 decks
12%synergy
Otawara, Soaring City
17%inclusion4 decks23 decks
1%synergy
Bojuka Bog
17%inclusion4 decks23 decks
-12%synergy
Wasteland
13%inclusion3 decks23 decks
12%synergy
High Market
13%inclusion3 decks23 decks
10%synergy
Cephalid Coliseum
13%inclusion3 decks23 decks
10%synergy
Mana Artifacts
Sol Ring
96%inclusion22 decks23 decks
12%synergy
Arcane Signet
87%inclusion20 decks23 decks
15%synergy
Talisman of Hierarchy
45%inclusion5 decks11 decks
19%synergy
Talisman of Dominance
39%inclusion9 decks23 decks
6%synergy
Mind Stone
35%inclusion8 decks23 decks
20%synergy
Dimir Signet
35%inclusion8 decks23 decks
9%synergy
Orzhov Signet
27%inclusion3 decks11 decks
3%synergy
Talisman of Progress
27%inclusion3 decks11 decks
2%synergy
Commander's Sphere
17%inclusion4 decks23 decks
5%synergy
Fellwar Stone
17%inclusion4 decks23 decks
-3%synergy
Lotus Petal
13%inclusion3 decks23 decks
6%synergy
Lands
Willowrush Verge
100%inclusion4 decks4 decks
93%synergy
Wastewood Verge
100%inclusion4 decks4 decks
93%synergy
Breeding Pool
100%inclusion5 decks5 decks
58%synergy
Command Tower
91%inclusion21 decks23 decks
17%synergy
Hedge Maze
80%inclusion4 decks5 decks
69%synergy
Underground Mortuary
80%inclusion4 decks5 decks
67%synergy
Deathcap Glade
80%inclusion4 decks5 decks
67%synergy
Dreamroot Cascade
80%inclusion4 decks5 decks
59%synergy
Zagoth Triome
80%inclusion4 decks5 decks
52%synergy
Overgrown Tomb
80%inclusion4 decks5 decks
40%synergy
Port Town
55%inclusion6 decks11 decks
40%synergy
Caves of Koilos
55%inclusion6 decks11 decks
25%synergy
Exotic Orchard
48%inclusion11 decks23 decks
11%synergy
Watery Grave
48%inclusion11 decks23 decks
6%synergy
Shineshadow Snarl
45%inclusion5 decks11 decks
33%synergy
Arcane Sanctum
45%inclusion5 decks11 decks
17%synergy
Prairie Stream
45%inclusion5 decks11 decks
12%synergy
Hallowed Fountain
45%inclusion5 decks11 decks
6%synergy
Sunken Hollow
43%inclusion10 decks23 decks
10%synergy
Sea of Clouds
36%inclusion4 decks11 decks
12%synergy
Glacial Fortress
36%inclusion4 decks11 decks
4%synergy
Shipwreck Marsh
35%inclusion8 decks23 decks
16%synergy
Contaminated Landscape
33%inclusion3 decks9 decks
27%synergy
Gloomlake Verge
33%inclusion5 decks15 decks
24%synergy
Polluted Delta
30%inclusion7 decks23 decks
18%synergy
Choked Estuary
30%inclusion7 decks23 decks
15%synergy
Evolving Wilds
30%inclusion7 decks23 decks
10%synergy
Deserted Beach
27%inclusion3 decks11 decks
10%synergy
Adarkar Wastes
27%inclusion3 decks11 decks
4%synergy
Isolated Chapel
27%inclusion3 decks11 decks
-6%synergy
Godless Shrine
27%inclusion3 decks11 decks
-14%synergy
Verdant Catacombs
26%inclusion6 decks23 decks
15%synergy
Undercity Sewers
26%inclusion6 decks23 decks
15%synergy
Tainted Isle
22%inclusion5 decks23 decks
11%synergy
Misty Rainforest
22%inclusion5 decks23 decks
10%synergy
Dimir Aqueduct
22%inclusion5 decks23 decks
7%synergy
Underground River
22%inclusion5 decks23 decks
-1%synergy
Reflecting Pool
17%inclusion4 decks23 decks
12%synergy
Darkwater Catacombs
17%inclusion4 decks23 decks
2%synergy
Terramorphic Expanse
17%inclusion4 decks23 decks
2%synergy
Morphic Pool
17%inclusion4 decks23 decks
-7%synergy
River of Tears
13%inclusion3 decks23 decks
10%synergy
Ash Barrens
13%inclusion3 decks23 decks
8%synergy
Clearwater Pathway
13%inclusion3 decks23 decks
5%synergy
Flooded Strand
13%inclusion3 decks23 decks
2%synergy
Myriad Landscape
13%inclusion3 decks23 decks
-3%synergy
Path of Ancestry
13%inclusion3 decks23 decks
-9%synergy
Drowned Catacomb
13%inclusion3 decks23 decks
-16%synergy