Shepherd of the Cosmos
Phyrexian Altar
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 Phyrexian Altar by sacrificing Shepherd of the Cosmos, adding one mana of any color.
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
Repeat.

   Results

What do I get from this combo?
Infinite LTB
Infinite ETB
Infinite colored mana
Infinite sacrifice triggers
Infinite death triggers
Lurrus of the Dream-Den
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Ardenn, Intrepid Archaeologist // Ikra Shidiqi, the Usurper
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Carmen, Cruel Skymarcher
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High Synergy Cards
Angelic Renewal
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100%synergy
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76%synergy
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Top Cards
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38%synergy
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Game Changers
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100%synergy
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99%synergy
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Sorceries
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Enchantments
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100%synergy
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99%synergy
Overgrowth
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99%synergy
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97%synergy
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96%synergy
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96%synergy
Sterling Grove
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92%synergy
Wild Growth
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90%synergy
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50%synergy
Unholy Indenture
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50%synergy
Minion's Return
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49%synergy
Seal of Cleansing
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49%synergy
Necromancy
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47%synergy
The Meathook Massacre
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45%synergy
Bastion of Remembrance
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44%synergy
Ripples of Undeath
40%inclusion2 decks5 decks
35%synergy
Heliod's Punishment
33%inclusion2 decks6 decks
33%synergy
Gift of Immortality
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32%synergy
Black Market Connections
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21%synergy
Necromancer's Magemark
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17%synergy
Shade's Form
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17%synergy
Conviction
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16%synergy
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16%synergy
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16%synergy
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16%synergy
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16%synergy
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Agent of the Iron Throne
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15%synergy
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15%synergy
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15%synergy
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14%synergy
Phyrexian Reclamation
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13%synergy
Darksteel Mutation
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11%synergy
Land Tax
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10%synergy
Phyrexian Arena
17%inclusion1 decks6 decks
1%synergy
Utility Lands
Boseiju, Who Endures
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81%synergy
Takenuma, Abandoned Mire
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74%synergy
Emergence Zone
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31%synergy
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31%synergy
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27%synergy
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24%synergy
Urborg, Tomb of Yawgmoth
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24%synergy
Cabal Coffers
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24%synergy
Bojuka Bog
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4%synergy
Roadside Reliquary
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16%synergy
Volatile Fault
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16%synergy
Hidden Necropolis
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16%synergy
Hidden Courtyard
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16%synergy
Volrath's Stronghold
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15%synergy
Emeria, the Sky Ruin
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14%synergy
Geier Reach Sanitarium
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14%synergy
Castle Locthwain
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13%synergy
Shizo, Death's Storehouse
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12%synergy
Eiganjo, Seat of the Empire
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9%synergy
Reliquary Tower
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Mana Artifacts
Arcane Signet
100%inclusion6 decks6 decks
28%synergy
Sol Ring
100%inclusion6 decks6 decks
16%synergy
Talisman of Hierarchy
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57%synergy
Orzhov Signet
67%inclusion4 decks6 decks
42%synergy
Basalt Monolith
33%inclusion2 decks6 decks
31%synergy
Liquimetal Torque
17%inclusion1 decks6 decks
14%synergy
Everflowing Chalice
17%inclusion1 decks6 decks
12%synergy
Lotus Petal
17%inclusion1 decks6 decks
10%synergy
Mind Stone
17%inclusion1 decks6 decks
2%synergy
Fellwar Stone
17%inclusion1 decks6 decks
-4%synergy
Lands
Bountiful Promenade
100%inclusion1 decks1 decks
77%synergy
Undergrowth Stadium
100%inclusion1 decks1 decks
76%synergy
Indatha Triome
100%inclusion1 decks1 decks
72%synergy
Temple Garden
100%inclusion1 decks1 decks
61%synergy
Overgrown Tomb
100%inclusion1 decks1 decks
60%synergy
Vault of Champions
83%inclusion5 decks6 decks
59%synergy
Isolated Chapel
83%inclusion5 decks6 decks
51%synergy
Godless Shrine
83%inclusion5 decks6 decks
43%synergy
Command Tower
83%inclusion5 decks6 decks
9%synergy
Marsh Flats
67%inclusion4 decks6 decks
56%synergy
Shattered Sanctum
67%inclusion4 decks6 decks
52%synergy
Caves of Koilos
67%inclusion4 decks6 decks
37%synergy
Fabled Passage
50%inclusion3 decks6 decks
41%synergy
Fetid Heath
50%inclusion3 decks6 decks
37%synergy
Shadowy Backstreet
40%inclusion2 decks5 decks
30%synergy
Plaza of Heroes
33%inclusion2 decks6 decks
31%synergy
Silent Clearing
33%inclusion2 decks6 decks
29%synergy
Concealed Courtyard
33%inclusion2 decks6 decks
27%synergy
Bleachbone Verge
33%inclusion1 decks3 decks
25%synergy
Brightclimb Pathway
33%inclusion2 decks6 decks
25%synergy
Shineshadow Snarl
33%inclusion2 decks6 decks
21%synergy
Orzhov Basilica
33%inclusion2 decks6 decks
18%synergy
Temple of Silence
33%inclusion2 decks6 decks
16%synergy
Evolving Wilds
33%inclusion2 decks6 decks
12%synergy
Desolate Mire
20%inclusion1 decks5 decks
14%synergy
Voldaren Estate
17%inclusion1 decks6 decks
16%synergy
Windswept Heath
17%inclusion1 decks6 decks
6%synergy
Verdant Catacombs
17%inclusion1 decks6 decks
6%synergy
Tainted Field
17%inclusion1 decks6 decks
3%synergy
Terramorphic Expanse
17%inclusion1 decks6 decks
1%synergy
Myriad Landscape
17%inclusion1 decks6 decks
0%synergy
Exotic Orchard
17%inclusion1 decks6 decks
-20%synergy