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 decks21.3K decks
Araumi of the Dead Tide
0.1%inclusion5 decks3.45K decks
Sidar Jabari of Zhalfir
0.0%inclusion1 decks16.5K decks
Mirko, Obsessive Theorist
0.0%inclusion1 decks9.55K decks
Marchesa, the Black Rose
0.0%inclusion1 decks11.8K decks
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15%synergy
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11%synergy
Battles
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Planeswalkers
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Utility Lands
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Restless Reef
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22%synergy
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21%synergy
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11%synergy
Castle Locthwain
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10%synergy
Mana Artifacts
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95%inclusion20 decks21 decks
11%synergy
Arcane Signet
86%inclusion18 decks21 decks
13%synergy
Talisman of Progress
44%inclusion4 decks9 decks
19%synergy
Talisman of Hierarchy
44%inclusion4 decks9 decks
18%synergy
Mind Stone
38%inclusion8 decks21 decks
23%synergy
Dimir Signet
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12%synergy
Talisman of Dominance
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Commander's Sphere
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Fellwar Stone
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Lotus Petal
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Lands
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93%synergy
Wastewood Verge
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93%synergy
Breeding Pool
100%inclusion5 decks5 decks
59%synergy
Command Tower
90%inclusion19 decks21 decks
16%synergy
Hedge Maze
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69%synergy
Underground Mortuary
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67%synergy
Deathcap Glade
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67%synergy
Dreamroot Cascade
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59%synergy
Zagoth Triome
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52%synergy
Overgrown Tomb
80%inclusion4 decks5 decks
40%synergy
Exotic Orchard
57%inclusion12 decks21 decks
21%synergy
Arcane Sanctum
56%inclusion5 decks9 decks
27%synergy
Watery Grave
52%inclusion11 decks21 decks
11%synergy
Port Town
44%inclusion4 decks9 decks
29%synergy
Caves of Koilos
44%inclusion4 decks9 decks
15%synergy
Prairie Stream
44%inclusion4 decks9 decks
11%synergy
Hallowed Fountain
44%inclusion4 decks9 decks
5%synergy
Sunken Hollow
43%inclusion9 decks21 decks
9%synergy
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42%inclusion5 decks12 decks
33%synergy
Polluted Delta
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21%synergy
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15%synergy
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Godless Shrine
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18%synergy
Undercity Sewers
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17%synergy
Underground River
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6%synergy
Misty Rainforest
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12%synergy
Darkwater Catacombs
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Choked Estuary
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Reflecting Pool
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Terramorphic Expanse
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Ash Barrens
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9%synergy
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6%synergy
Tainted Isle
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3%synergy
Flooded Strand
14%inclusion3 decks21 decks
3%synergy
Myriad Landscape
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-2%synergy
Path of Ancestry
14%inclusion3 decks21 decks
-8%synergy
Drowned Catacomb
14%inclusion3 decks21 decks
-14%synergy