Shepherd of the Cosmos
Altar of Dementia
Necrogen Communion

   Prerequisites

What do I need to start this combo?
All permanents on the battlefield.
Necrogen Communion attached to Shepherd of the Cosmos.

   Steps

How does this combo work?
1
Activate Altar of Dementia by sacrificing Shepherd of the Cosmos.
2
When Shepherd of the Cosmos dies, Necrogen Communion triggers, returning Shepherd of the Cosmos from your graveyard to the battlefield.
3
When Shepherd of the Cosmos enters the battlefield, it triggers, returning Necrogen Communion from your graveyard to the battlefield attached to Shepherd of the Cosmos.
4
Resolve the Altar of Dementia ability, causing target player to mill cards equal to Shepherd of the Cosmos' power.
5
Repeat.

   Results

What do I get from this combo?
Infinite LTB
Infinite ETB
Infinite sacrifice triggers
Infinite death triggers
Infinite mill
Infinite self-mill
Lurrus of the Dream-Den
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High Synergy Cards
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Top Cards
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Creatures
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Utility Artifacts
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Enchantments
Whip Silk
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Overgrowth
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Sterling Grove
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Utopia Sprawl
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Wild Growth
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Minion's Return
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Seal of Cleansing
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42%synergy
Necromancy
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40%synergy
Ripples of Undeath
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38%synergy
The Meathook Massacre
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38%synergy
Bastion of Remembrance
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36%synergy
Shade's Form
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28%synergy
Unhallowed Pact
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Heliod's Punishment
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28%synergy
Unholy Indenture
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Gift of Immortality
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Darksteel Mutation
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23%synergy
Black Market Connections
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17%synergy
Smile at Death
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19%synergy
Mire's Grasp
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14%synergy
Conviction
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Tortured Existence
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Utility Lands
Boseiju, Who Endures
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Takenuma, Abandoned Mire
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48%synergy
Bojuka Bog
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Emergence Zone
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26%synergy
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25%synergy
Castle Locthwain
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Hall of Heliod's Generosity
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22%synergy
Urborg, Tomb of Yawgmoth
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20%synergy
Cabal Coffers
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19%synergy
Dalkovan Encampment
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Susur Secundi, Void Altar
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Roadside Reliquary
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14%synergy
Volatile Fault
14%inclusion1 decks7 decks
14%synergy
Dakmor Salvage
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12%synergy
High Market
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12%synergy
Emeria, the Sky Ruin
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11%synergy
Mortuary Mire
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10%synergy
Shizo, Death's Storehouse
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War Room
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Eiganjo, Seat of the Empire
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Phyrexian Tower
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Vault of the Archangel
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Reliquary Tower
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Mana Artifacts
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Sol Ring
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16%synergy
Talisman of Hierarchy
71%inclusion5 decks7 decks
45%synergy
Orzhov Signet
57%inclusion4 decks7 decks
33%synergy
Basalt Monolith
29%inclusion2 decks7 decks
26%synergy
Mind Stone
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13%synergy
Fellwar Stone
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8%synergy
Liquimetal Torque
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11%synergy
Everflowing Chalice
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10%synergy
Lotus Petal
14%inclusion1 decks7 decks
7%synergy
Lands
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77%synergy
Undergrowth Stadium
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76%synergy
Vault of Champions
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76%synergy
Indatha Triome
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72%synergy
Temple Garden
100%inclusion1 decks1 decks
61%synergy
Overgrown Tomb
100%inclusion1 decks1 decks
60%synergy
Isolated Chapel
86%inclusion6 decks7 decks
53%synergy
Command Tower
86%inclusion6 decks7 decks
11%synergy
Shattered Sanctum
71%inclusion5 decks7 decks
57%synergy
Caves of Koilos
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42%synergy
Godless Shrine
71%inclusion5 decks7 decks
31%synergy
Brightclimb Pathway
57%inclusion4 decks7 decks
49%synergy
Silent Clearing
43%inclusion3 decks7 decks
38%synergy
Concealed Courtyard
43%inclusion3 decks7 decks
37%synergy
Marsh Flats
43%inclusion3 decks7 decks
32%synergy
Fetid Heath
43%inclusion3 decks7 decks
30%synergy
Tainted Field
43%inclusion3 decks7 decks
30%synergy
Bleachbone Verge
40%inclusion2 decks5 decks
32%synergy
Plaza of Heroes
29%inclusion2 decks7 decks
26%synergy
Desolate Mire
29%inclusion2 decks7 decks
23%synergy
Fabled Passage
29%inclusion2 decks7 decks
19%synergy
Shadowy Backstreet
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18%synergy
Shineshadow Snarl
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16%synergy
Orzhov Basilica
29%inclusion2 decks7 decks
14%synergy
Temple of Silence
29%inclusion2 decks7 decks
11%synergy
Exotic Orchard
29%inclusion2 decks7 decks
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Opal Palace
14%inclusion1 decks7 decks
12%synergy
Windswept Heath
14%inclusion1 decks7 decks
3%synergy
Verdant Catacombs
14%inclusion1 decks7 decks
3%synergy
Myriad Landscape
14%inclusion1 decks7 decks
-2%synergy
Evolving Wilds
14%inclusion1 decks7 decks
-7%synergy
Path of Ancestry
14%inclusion1 decks7 decks
-8%synergy