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%inclusion7 decks11.1K decks
Muldrotha, the Gravetide
0.0%inclusion5 decks22.5K decks
Sidar Jabari of Zhalfir
0.0%inclusion3 decks17K decks
Araumi of the Dead Tide
0.1%inclusion2 decks3.53K decks
Mirko, Obsessive Theorist
0.0%inclusion1 decks9.22K decks
Marchesa, the Black Rose
0.0%inclusion1 decks12.4K decks
New Cards
The Last Ronin
50%inclusion1 decks2 decks
50%synergy
High Synergy Cards
Tamiyo, Collector of Tales
100%inclusion5 decks5 decks
99%synergy
Teval, the Balanced Scale
100%inclusion4 decks4 decks
98%synergy
Awaken the Honored Dead
100%inclusion4 decks4 decks
97%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
Wrenn and Realmbreaker
80%inclusion4 decks5 decks
79%synergy
Hermit Druid
80%inclusion4 decks5 decks
78%synergy
Song of the Dryads
80%inclusion4 decks5 decks
78%synergy
Shigeki, Jukai Visionary
80%inclusion4 decks5 decks
78%synergy
Top Cards
Spore Frog
80%inclusion4 decks5 decks
77%synergy
Sidisi, Brood Tyrant
80%inclusion4 decks5 decks
77%synergy
Grist, the Hunger Tide
80%inclusion4 decks5 decks
76%synergy
Haywire Mite
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
75%synergy
Binding the Old Gods
80%inclusion4 decks5 decks
74%synergy
Deathrite Shaman
80%inclusion4 decks5 decks
69%synergy
Game Changers
Field of the Dead
21%inclusion4 decks19 decks
18%synergy
Creatures
Eternal Witness
80%inclusion4 decks5 decks
63%synergy
Birds of Paradise
80%inclusion4 decks5 decks
53%synergy
Insidious Fungus
75%inclusion3 decks4 decks
73%synergy
Kheru Goldkeeper
75%inclusion3 decks4 decks
71%synergy
Radiant Solar
70%inclusion7 decks10 decks
70%synergy
Reveillark
70%inclusion7 decks10 decks
69%synergy
Karmic Guide
70%inclusion7 decks10 decks
67%synergy
Sun Titan
70%inclusion7 decks10 decks
62%synergy
Grist, Voracious Larva
60%inclusion3 decks5 decks
58%synergy
Bloom Tender
60%inclusion3 decks5 decks
52%synergy
Dryad of the Ilysian Grove
60%inclusion3 decks5 decks
52%synergy
Glasspool Mimic
58%inclusion11 decks19 decks
55%synergy
Nadaar, Selfless Paladin
50%inclusion5 decks10 decks
49%synergy
Hama Pashar, Ruin Seeker
50%inclusion5 decks10 decks
49%synergy
White Plume Adventurer
50%inclusion5 decks10 decks
49%synergy
Vile Entomber
47%inclusion9 decks19 decks
46%synergy
Plaguecrafter
47%inclusion9 decks19 decks
43%synergy
Phantasmal Image
42%inclusion8 decks19 decks
40%synergy
Cavalier of Dawn
40%inclusion4 decks10 decks
39%synergy
Seasoned Dungeoneer
40%inclusion4 decks10 decks
39%synergy
Abdel Adrian, Gorion's Ward
40%inclusion4 decks10 decks
39%synergy
Ashen Rider
40%inclusion4 decks10 decks
39%synergy
Cathar Commando
40%inclusion4 decks10 decks
37%synergy
Angel of the Ruins
40%inclusion4 decks10 decks
37%synergy
Bartolomé del Presidio
40%inclusion4 decks10 decks
36%synergy
Stitcher's Supplier
37%inclusion7 decks19 decks
33%synergy
Carrion Feeder
37%inclusion7 decks19 decks
33%synergy
Mulldrifter
37%inclusion7 decks19 decks
32%synergy
Syr Konrad, the Grim
37%inclusion7 decks19 decks
29%synergy
Obsessive Stitcher
32%inclusion6 decks19 decks
30%synergy
Spark Double
32%inclusion6 decks19 decks
25%synergy
Westfold Rider
30%inclusion3 decks10 decks
30%synergy
Kinsbaile Cavalier
30%inclusion3 decks10 decks
30%synergy
Triumphant Adventurer
30%inclusion3 decks10 decks
29%synergy
Midnight Pathlighter
30%inclusion3 decks10 decks
29%synergy
Fiend Hunter
30%inclusion3 decks10 decks
29%synergy
Knight Exemplar
30%inclusion3 decks10 decks
29%synergy
Oriq Loremage
26%inclusion5 decks19 decks
26%synergy
Vohar, Vodalian Desecrator
26%inclusion5 decks19 decks
25%synergy
Ghostly Pilferer
26%inclusion5 decks19 decks
24%synergy
Yahenni, Undying Partisan
26%inclusion5 decks19 decks
23%synergy
Likeness Looter
26%inclusion5 decks19 decks
23%synergy
Viscera Seer
26%inclusion5 decks19 decks
18%synergy
Solemn Simulacrum
26%inclusion5 decks19 decks
14%synergy
Volatile Stormdrake
24%inclusion4 decks17 decks
22%synergy
Neerdiv, Devious Diver
23%inclusion3 decks13 decks
23%synergy
Tomb of Horrors Adventurer
21%inclusion4 decks19 decks
20%synergy
Merfolk Looter
21%inclusion4 decks19 decks
20%synergy
Gravebreaker Lamia
21%inclusion4 decks19 decks
20%synergy
Demon's Disciple
21%inclusion4 decks19 decks
20%synergy
Instants
Swords to Plowshares
60%inclusion6 decks10 decks
-1%synergy
Path to Exile
40%inclusion4 decks10 decks
-7%synergy
Counterspell
32%inclusion6 decks19 decks
-10%synergy
Despark
30%inclusion3 decks10 decks
17%synergy
Void Rend
30%inclusion3 decks10 decks
15%synergy
Muddle the Mixture
21%inclusion4 decks19 decks
17%synergy
Entomb
21%inclusion4 decks19 decks
14%synergy
Negate
21%inclusion4 decks19 decks
0%synergy
Dark Ritual
21%inclusion4 decks19 decks
-3%synergy
An Offer You Can't Refuse
16%inclusion3 decks19 decks
-9%synergy
Sorceries
Bala Ged Recovery
60%inclusion3 decks5 decks
52%synergy
Damn
60%inclusion6 decks10 decks
45%synergy
Buried Alive
53%inclusion10 decks19 decks
47%synergy
Victimize
37%inclusion7 decks19 decks
24%synergy
Unmarked Grave
21%inclusion4 decks19 decks
19%synergy
Reanimate
21%inclusion4 decks19 decks
2%synergy
Diabolic Intent
16%inclusion3 decks19 decks
8%synergy
Toxic Deluge
16%inclusion3 decks19 decks
-2%synergy
Utility Artifacts
Mesmeric Orb
26%inclusion5 decks19 decks
25%synergy
Lightning Greaves
26%inclusion5 decks19 decks
2%synergy
Perpetual Timepiece
21%inclusion4 decks19 decks
20%synergy
Aether Spellbomb
21%inclusion4 decks19 decks
20%synergy
Ashnod's Altar
21%inclusion4 decks19 decks
15%synergy
Ensnaring Bridge
16%inclusion3 decks19 decks
15%synergy
Matzalantli, the Great Door
16%inclusion3 decks19 decks
15%synergy
Soul-Guide Lantern
16%inclusion3 decks19 decks
15%synergy
Bontu's Monument
16%inclusion3 decks19 decks
14%synergy
Phyrexian Altar
16%inclusion3 decks19 decks
12%synergy
Swiftfoot Boots
16%inclusion3 decks19 decks
-11%synergy
Enchantments
Seal of Primordium
60%inclusion3 decks5 decks
59%synergy
Ripples of Undeath
53%inclusion9 decks17 decks
48%synergy
Animate Dead
47%inclusion9 decks19 decks
39%synergy
Necromancy
32%inclusion6 decks19 decks
28%synergy
Kaya's Ghostform
26%inclusion5 decks19 decks
23%synergy
Mystic Remora
26%inclusion5 decks19 decks
10%synergy
Grafted Identity
21%inclusion4 decks19 decks
21%synergy
The Cruelty of Gix
21%inclusion4 decks19 decks
20%synergy
The Eldest Reborn
21%inclusion4 decks19 decks
19%synergy
Tortured Existence
21%inclusion4 decks19 decks
19%synergy
Secrets of the Dead
16%inclusion3 decks19 decks
15%synergy
Heartless Summoning
16%inclusion3 decks19 decks
15%synergy
Imprisoned in the Moon
16%inclusion3 decks19 decks
12%synergy
Planeswalkers
Ashiok, Dream Render
32%inclusion6 decks19 decks
29%synergy
Jace, Wielder of Mysteries
21%inclusion4 decks19 decks
18%synergy
Teferi, Master of Time
16%inclusion3 decks19 decks
14%synergy
Utility Lands
Shifting Woodland
80%inclusion4 decks5 decks
73%synergy
Boseiju, Who Endures
80%inclusion4 decks5 decks
61%synergy
Takenuma, Abandoned Mire
37%inclusion7 decks19 decks
28%synergy
Restless Reef
26%inclusion5 decks19 decks
24%synergy
Nephalia Drownyard
21%inclusion4 decks19 decks
19%synergy
Strip Mine
21%inclusion4 decks19 decks
18%synergy
Geier Reach Sanitarium
21%inclusion4 decks19 decks
18%synergy
Command Beacon
21%inclusion4 decks19 decks
16%synergy
Otawara, Soaring City
21%inclusion4 decks19 decks
5%synergy
Wasteland
16%inclusion3 decks19 decks
14%synergy
Dakmor Salvage
16%inclusion3 decks19 decks
13%synergy
Thespian's Stage
16%inclusion3 decks19 decks
13%synergy
High Market
16%inclusion3 decks19 decks
13%synergy
Bojuka Bog
16%inclusion3 decks19 decks
-14%synergy
Mana Artifacts
Sol Ring
95%inclusion18 decks19 decks
11%synergy
Arcane Signet
84%inclusion16 decks19 decks
12%synergy
Talisman of Hierarchy
40%inclusion4 decks10 decks
14%synergy
Talisman of Dominance
32%inclusion6 decks19 decks
-1%synergy
Orzhov Signet
30%inclusion3 decks10 decks
7%synergy
Mind Stone
26%inclusion5 decks19 decks
12%synergy
Dimir Signet
26%inclusion5 decks19 decks
2%synergy
Commander's Sphere
21%inclusion4 decks19 decks
9%synergy
Fellwar Stone
21%inclusion4 decks19 decks
1%synergy
Lotus Petal
16%inclusion3 decks19 decks
9%synergy
Lands
Wastewood Verge
100%inclusion4 decks4 decks
93%synergy
Breeding Pool
100%inclusion5 decks5 decks
58%synergy
Command Tower
89%inclusion17 decks19 decks
15%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
58%synergy
Zagoth Triome
80%inclusion4 decks5 decks
53%synergy
Overgrown Tomb
80%inclusion4 decks5 decks
39%synergy
Willowrush Verge
75%inclusion3 decks4 decks
68%synergy
Port Town
60%inclusion6 decks10 decks
45%synergy
Exotic Orchard
58%inclusion11 decks19 decks
21%synergy
Shineshadow Snarl
50%inclusion5 decks10 decks
38%synergy
Arcane Sanctum
50%inclusion5 decks10 decks
23%synergy
Caves of Koilos
50%inclusion5 decks10 decks
21%synergy
Prairie Stream
50%inclusion5 decks10 decks
17%synergy
Watery Grave
47%inclusion9 decks19 decks
6%synergy
Shipwreck Marsh
42%inclusion8 decks19 decks
24%synergy
Sunken Hollow
42%inclusion8 decks19 decks
9%synergy
Glacial Fortress
40%inclusion4 decks10 decks
7%synergy
Hallowed Fountain
40%inclusion4 decks10 decks
0%synergy
Choked Estuary
37%inclusion7 decks19 decks
22%synergy
Contaminated Landscape
33%inclusion3 decks9 decks
27%synergy
Gloomlake Verge
33%inclusion5 decks15 decks
24%synergy
Undercity Sewers
32%inclusion6 decks19 decks
20%synergy
Polluted Delta
32%inclusion6 decks19 decks
19%synergy
Deserted Beach
30%inclusion3 decks10 decks
13%synergy
Sea of Clouds
30%inclusion3 decks10 decks
6%synergy
Isolated Chapel
30%inclusion3 decks10 decks
-4%synergy
Verdant Catacombs
26%inclusion5 decks19 decks
15%synergy
Misty Rainforest
26%inclusion5 decks19 decks
15%synergy
Dimir Aqueduct
26%inclusion5 decks19 decks
12%synergy
Evolving Wilds
26%inclusion5 decks19 decks
6%synergy
Reflecting Pool
21%inclusion4 decks19 decks
16%synergy
Tainted Isle
21%inclusion4 decks19 decks
10%synergy
Darkwater Catacombs
21%inclusion4 decks19 decks
6%synergy
River of Tears
16%inclusion3 decks19 decks
13%synergy
Terramorphic Expanse
16%inclusion3 decks19 decks
1%synergy
Myriad Landscape
16%inclusion3 decks19 decks
0%synergy
Path of Ancestry
16%inclusion3 decks19 decks
-6%synergy
Underground River
16%inclusion3 decks19 decks
-7%synergy