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 decks11.5K decks
Muldrotha, the Gravetide
0.0%inclusion5 decks22.8K decks
Sidar Jabari of Zhalfir
0.0%inclusion3 decks17.3K decks
Araumi of the Dead Tide
0.1%inclusion2 decks3.57K decks
Mirko, Obsessive Theorist
0.0%inclusion1 decks9.21K decks
Ashling, the Limitless
0.0%inclusion1 decks18.5K decks
Marchesa, the Black Rose
0.0%inclusion1 decks12.6K decks
New Cards
Grave Researcher
50%inclusion1 decks2 decks
48%synergy
The Last Ronin
33%inclusion1 decks3 decks
33%synergy
High Synergy Cards
Tamiyo, Collector of Tales
83%inclusion5 decks6 decks
83%synergy
Teval, the Balanced Scale
80%inclusion4 decks5 decks
78%synergy
Awaken the Honored Dead
80%inclusion4 decks5 decks
77%synergy
Icetill Explorer
80%inclusion4 decks5 decks
73%synergy
Rootcoil Creeper
67%inclusion4 decks6 decks
66%synergy
Pernicious Deed
67%inclusion4 decks6 decks
65%synergy
Wrenn and Realmbreaker
67%inclusion4 decks6 decks
65%synergy
Hermit Druid
67%inclusion4 decks6 decks
65%synergy
Song of the Dryads
67%inclusion4 decks6 decks
65%synergy
Shigeki, Jukai Visionary
67%inclusion4 decks6 decks
65%synergy
Top Cards
Birds of Paradise
83%inclusion5 decks6 decks
56%synergy
Spore Frog
67%inclusion4 decks6 decks
64%synergy
Sidisi, Brood Tyrant
67%inclusion4 decks6 decks
63%synergy
Grist, the Hunger Tide
67%inclusion4 decks6 decks
63%synergy
Haywire Mite
67%inclusion4 decks6 decks
63%synergy
Life from the Loam
67%inclusion4 decks6 decks
62%synergy
Aftermath Analyst
67%inclusion4 decks6 decks
62%synergy
Six
67%inclusion4 decks6 decks
62%synergy
Skull Prophet
67%inclusion4 decks6 decks
61%synergy
Binding the Old Gods
67%inclusion4 decks6 decks
61%synergy
Game Changers
Field of the Dead
20%inclusion4 decks20 decks
17%synergy
Creatures
Deathrite Shaman
67%inclusion4 decks6 decks
56%synergy
Eternal Witness
67%inclusion4 decks6 decks
50%synergy
Glasspool Mimic
65%inclusion13 decks20 decks
62%synergy
Radiant Solar
64%inclusion7 decks11 decks
63%synergy
Reveillark
64%inclusion7 decks11 decks
63%synergy
Karmic Guide
64%inclusion7 decks11 decks
60%synergy
Sun Titan
64%inclusion7 decks11 decks
56%synergy
Insidious Fungus
60%inclusion3 decks5 decks
58%synergy
Kheru Goldkeeper
60%inclusion3 decks5 decks
56%synergy
Grist, Voracious Larva
50%inclusion3 decks6 decks
48%synergy
Phantasmal Image
50%inclusion10 decks20 decks
48%synergy
Dryad of the Ilysian Grove
50%inclusion3 decks6 decks
42%synergy
Bloom Tender
50%inclusion3 decks6 decks
42%synergy
Cavalier of Dawn
45%inclusion5 decks11 decks
45%synergy
Hama Pashar, Ruin Seeker
45%inclusion5 decks11 decks
45%synergy
White Plume Adventurer
45%inclusion5 decks11 decks
44%synergy
Plaguecrafter
45%inclusion9 decks20 decks
41%synergy
Vile Entomber
40%inclusion8 decks20 decks
38%synergy
Mulldrifter
40%inclusion8 decks20 decks
35%synergy
Syr Konrad, the Grim
40%inclusion8 decks20 decks
32%synergy
Nadaar, Selfless Paladin
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
Angel of the Ruins
36%inclusion4 decks11 decks
33%synergy
Bartolomé del Presidio
36%inclusion4 decks11 decks
32%synergy
Stitcher's Supplier
35%inclusion7 decks20 decks
31%synergy
Obsessive Stitcher
30%inclusion6 decks20 decks
29%synergy
Carrion Feeder
30%inclusion6 decks20 decks
26%synergy
Spark Double
30%inclusion6 decks20 decks
24%synergy
Solemn Simulacrum
30%inclusion6 decks20 decks
18%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
Seasoned Dungeoneer
27%inclusion3 decks11 decks
26%synergy
Midnight Pathlighter
27%inclusion3 decks11 decks
26%synergy
Fiend Hunter
27%inclusion3 decks11 decks
26%synergy
Knight Exemplar
27%inclusion3 decks11 decks
26%synergy
Cathar Commando
27%inclusion3 decks11 decks
25%synergy
Witch Enchanter
27%inclusion3 decks11 decks
20%synergy
Neerdiv, Devious Diver
27%inclusion4 decks15 decks
26%synergy
Tomb of Horrors Adventurer
25%inclusion5 decks20 decks
24%synergy
Oriq Loremage
25%inclusion5 decks20 decks
24%synergy
Ghostly Pilferer
25%inclusion5 decks20 decks
23%synergy
Likeness Looter
25%inclusion5 decks20 decks
22%synergy
Viscera Seer
25%inclusion5 decks20 decks
17%synergy
Volatile Stormdrake
21%inclusion4 decks19 decks
19%synergy
Accursed Marauder
21%inclusion4 decks19 decks
16%synergy
Activated Sleeper
20%inclusion4 decks20 decks
20%synergy
Ravenloft Adventurer
20%inclusion4 decks20 decks
19%synergy
Merfolk Looter
20%inclusion4 decks20 decks
19%synergy
Instants
Swords to Plowshares
45%inclusion5 decks11 decks
-15%synergy
Path to Exile
36%inclusion4 decks11 decks
-11%synergy
Counterspell
35%inclusion7 decks20 decks
-7%synergy
Entomb
25%inclusion5 decks20 decks
18%synergy
Dark Ritual
25%inclusion5 decks20 decks
0%synergy
Muddle the Mixture
20%inclusion4 decks20 decks
16%synergy
Negate
15%inclusion3 decks20 decks
-6%synergy
An Offer You Can't Refuse
15%inclusion3 decks20 decks
-10%synergy
Sorceries
Damn
55%inclusion6 decks11 decks
40%synergy
Bala Ged Recovery
50%inclusion3 decks6 decks
42%synergy
Buried Alive
45%inclusion9 decks20 decks
39%synergy
Victimize
30%inclusion6 decks20 decks
18%synergy
Reanimate
25%inclusion5 decks20 decks
6%synergy
Unmarked Grave
20%inclusion4 decks20 decks
18%synergy
Diabolic Intent
15%inclusion3 decks20 decks
7%synergy
Toxic Deluge
15%inclusion3 decks20 decks
-3%synergy
Utility Artifacts
Lightning Greaves
30%inclusion6 decks20 decks
5%synergy
Mesmeric Orb
25%inclusion5 decks20 decks
24%synergy
Ashnod's Altar
25%inclusion5 decks20 decks
19%synergy
Perpetual Timepiece
20%inclusion4 decks20 decks
19%synergy
Matzalantli, the Great Door
20%inclusion4 decks20 decks
19%synergy
Phyrexian Altar
20%inclusion4 decks20 decks
16%synergy
Swiftfoot Boots
20%inclusion4 decks20 decks
-7%synergy
Ensnaring Bridge
15%inclusion3 decks20 decks
15%synergy
Stone of Erech
15%inclusion3 decks20 decks
15%synergy
Soul-Guide Lantern
15%inclusion3 decks20 decks
14%synergy
Aether Spellbomb
15%inclusion3 decks20 decks
14%synergy
Bontu's Monument
15%inclusion3 decks20 decks
13%synergy
Enchantments
Ripples of Undeath
53%inclusion10 decks19 decks
48%synergy
Seal of Primordium
50%inclusion3 decks6 decks
49%synergy
Animate Dead
50%inclusion10 decks20 decks
41%synergy
Necromancy
35%inclusion7 decks20 decks
32%synergy
Mystic Remora
30%inclusion6 decks20 decks
14%synergy
Deafening Silence
27%inclusion3 decks11 decks
25%synergy
Kaya's Ghostform
25%inclusion5 decks20 decks
21%synergy
Grafted Identity
20%inclusion4 decks20 decks
20%synergy
The Cruelty of Gix
20%inclusion4 decks20 decks
19%synergy
Heartless Summoning
20%inclusion4 decks20 decks
19%synergy
The Eldest Reborn
20%inclusion4 decks20 decks
18%synergy
Tortured Existence
20%inclusion4 decks20 decks
18%synergy
Imprisoned in the Moon
15%inclusion3 decks20 decks
11%synergy
Planeswalkers
Ashiok, Dream Render
30%inclusion6 decks20 decks
27%synergy
Jace, Wielder of Mysteries
20%inclusion4 decks20 decks
17%synergy
Utility Lands
Shifting Woodland
67%inclusion4 decks6 decks
60%synergy
Boseiju, Who Endures
67%inclusion4 decks6 decks
48%synergy
Takenuma, Abandoned Mire
35%inclusion7 decks20 decks
27%synergy
Restless Reef
25%inclusion5 decks20 decks
23%synergy
Nephalia Drownyard
20%inclusion4 decks20 decks
18%synergy
Strip Mine
20%inclusion4 decks20 decks
17%synergy
Command Beacon
20%inclusion4 decks20 decks
15%synergy
Otawara, Soaring City
20%inclusion4 decks20 decks
4%synergy
Bojuka Bog
20%inclusion4 decks20 decks
-10%synergy
Wasteland
15%inclusion3 decks20 decks
14%synergy
Dakmor Salvage
15%inclusion3 decks20 decks
13%synergy
Thespian's Stage
15%inclusion3 decks20 decks
13%synergy
High Market
15%inclusion3 decks20 decks
12%synergy
Geier Reach Sanitarium
15%inclusion3 decks20 decks
12%synergy
Mana Artifacts
Sol Ring
90%inclusion18 decks20 decks
6%synergy
Arcane Signet
85%inclusion17 decks20 decks
13%synergy
Talisman of Dominance
30%inclusion6 decks20 decks
-2%synergy
Orzhov Signet
27%inclusion3 decks11 decks
5%synergy
Talisman of Hierarchy
27%inclusion3 decks11 decks
1%synergy
Mind Stone
25%inclusion5 decks20 decks
11%synergy
Fellwar Stone
25%inclusion5 decks20 decks
5%synergy
Dimir Signet
25%inclusion5 decks20 decks
1%synergy
Commander's Sphere
20%inclusion4 decks20 decks
9%synergy
Lotus Petal
15%inclusion3 decks20 decks
8%synergy
Lands
Breeding Pool
100%inclusion6 decks6 decks
58%synergy
Command Tower
90%inclusion18 decks20 decks
16%synergy
Wastewood Verge
80%inclusion4 decks5 decks
73%synergy
Hedge Maze
67%inclusion4 decks6 decks
56%synergy
Underground Mortuary
67%inclusion4 decks6 decks
54%synergy
Deathcap Glade
67%inclusion4 decks6 decks
54%synergy
Dreamroot Cascade
67%inclusion4 decks6 decks
45%synergy
Zagoth Triome
67%inclusion4 decks6 decks
40%synergy
Overgrown Tomb
67%inclusion4 decks6 decks
25%synergy
Willowrush Verge
60%inclusion3 decks5 decks
53%synergy
Exotic Orchard
60%inclusion12 decks20 decks
23%synergy
Watery Grave
55%inclusion11 decks20 decks
13%synergy
Hallowed Fountain
55%inclusion6 decks11 decks
14%synergy
Port Town
45%inclusion5 decks11 decks
31%synergy
Caves of Koilos
45%inclusion5 decks11 decks
16%synergy
Polluted Delta
40%inclusion8 decks20 decks
28%synergy
Shipwreck Marsh
40%inclusion8 decks20 decks
22%synergy
Shineshadow Snarl
36%inclusion4 decks11 decks
24%synergy
Deserted Beach
36%inclusion4 decks11 decks
20%synergy
Sea of Clouds
36%inclusion4 decks11 decks
12%synergy
Arcane Sanctum
36%inclusion4 decks11 decks
9%synergy
Prairie Stream
36%inclusion4 decks11 decks
4%synergy
Undercity Sewers
35%inclusion7 decks20 decks
24%synergy
Sunken Hollow
35%inclusion7 decks20 decks
1%synergy
Misty Rainforest
30%inclusion6 decks20 decks
19%synergy
Choked Estuary
30%inclusion6 decks20 decks
15%synergy
Gloomlake Verge
29%inclusion5 decks17 decks
20%synergy
Contaminated Landscape
27%inclusion3 decks11 decks
21%synergy
Shadowy Backstreet
27%inclusion3 decks11 decks
17%synergy
Raffine's Tower
27%inclusion3 decks11 decks
3%synergy
Adarkar Wastes
27%inclusion3 decks11 decks
3%synergy
Glacial Fortress
27%inclusion3 decks11 decks
-6%synergy
Godless Shrine
27%inclusion3 decks11 decks
-14%synergy
Verdant Catacombs
25%inclusion5 decks20 decks
14%synergy
Dimir Aqueduct
25%inclusion5 decks20 decks
11%synergy
Evolving Wilds
25%inclusion5 decks20 decks
4%synergy
Reflecting Pool
20%inclusion4 decks20 decks
15%synergy
Tainted Isle
20%inclusion4 decks20 decks
9%synergy
Flooded Strand
20%inclusion4 decks20 decks
9%synergy
River of Tears
15%inclusion3 decks20 decks
12%synergy
Darkwater Catacombs
15%inclusion3 decks20 decks
0%synergy
Terramorphic Expanse
15%inclusion3 decks20 decks
0%synergy
Myriad Landscape
15%inclusion3 decks20 decks
0%synergy
Path of Ancestry
15%inclusion3 decks20 decks
-7%synergy
Underground River
15%inclusion3 decks20 decks
-8%synergy
Morphic Pool
15%inclusion3 decks20 decks
-9%synergy