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
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Muldrotha, the Gravetide
0.0%inclusion5 decks21.6K decks
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Sidar Jabari of Zhalfir
0.0%inclusion3 decks16.7K decks
Mirko, Obsessive Theorist
0.0%inclusion1 decks9.87K decks
Marchesa, the Black Rose
0.0%inclusion1 decks12K decks
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15%synergy
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Battles
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Planeswalkers
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28%synergy
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Utility Lands
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13%synergy
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1%synergy
Wasteland
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12%synergy
High Market
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10%synergy
Cephalid Coliseum
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9%synergy
Mana Artifacts
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12%synergy
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55%inclusion6 decks11 decks
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Talisman of Dominance
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Talisman of Progress
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Mind Stone
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20%synergy
Dimir Signet
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9%synergy
Orzhov Signet
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3%synergy
Commander's Sphere
17%inclusion4 decks23 decks
5%synergy
Fellwar Stone
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Lotus Petal
13%inclusion3 decks23 decks
6%synergy
Lands
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100%inclusion4 decks4 decks
93%synergy
Wastewood Verge
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93%synergy
Breeding Pool
100%inclusion5 decks5 decks
59%synergy
Command Tower
91%inclusion21 decks23 decks
17%synergy
Hedge Maze
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69%synergy
Underground Mortuary
80%inclusion4 decks5 decks
67%synergy
Deathcap Glade
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67%synergy
Dreamroot Cascade
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59%synergy
Zagoth Triome
80%inclusion4 decks5 decks
52%synergy
Overgrown Tomb
80%inclusion4 decks5 decks
40%synergy
Port Town
55%inclusion6 decks11 decks
39%synergy
Caves of Koilos
55%inclusion6 decks11 decks
25%synergy
Hallowed Fountain
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15%synergy
Exotic Orchard
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16%synergy
Watery Grave
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7%synergy
Arcane Sanctum
45%inclusion5 decks11 decks
17%synergy
Sunken Hollow
39%inclusion9 decks23 decks
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Shineshadow Snarl
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24%synergy
Adarkar Wastes
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13%synergy
Sea of Clouds
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12%synergy
Glacial Fortress
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4%synergy
Prairie Stream
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3%synergy
Gloomlake Verge
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Polluted Delta
30%inclusion7 decks23 decks
18%synergy
Choked Estuary
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15%synergy
Shipwreck Marsh
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Evolving Wilds
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Isolated Chapel
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Godless Shrine
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-14%synergy
Verdant Catacombs
26%inclusion6 decks23 decks
15%synergy
Undercity Sewers
26%inclusion6 decks23 decks
15%synergy
Underground River
26%inclusion6 decks23 decks
4%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
Darkwater Catacombs
22%inclusion5 decks23 decks
7%synergy
Reflecting Pool
17%inclusion4 decks23 decks
12%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