Xathrid Necromancer
Maskwood Nexus
Altar of Dementia

   Prerequisites

What do I need to start this combo?
All permanents on the battlefield.
You control at least one additional creature.

   Steps

How does this combo work?
1
Activate Altar of Dementia by sacrificing another creature.
2
When the creature dies, Xathrid Necromancer triggers, creating a 2/2 Zombie creature token that is a Human due to Maskwood Nexus.
3
Resolve the Altar of Dementia ability, causing target player to mill cards equal to the sacrificed creature's power.
4
Repeat.

   Results

What do I get from this combo?
Infinite death triggers
Infinite ETB
Infinite LTB
Infinite mill
Infinite sacrifice triggers
Infinite self-mill
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Utility Artifacts
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18%synergy
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19%inclusion7 decks37 decks
18%synergy
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15%synergy
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10%synergy
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7%synergy
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7%synergy
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7%synergy
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5%synergy
Enchantments
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24%synergy
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9%synergy
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19%synergy
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12%synergy
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11%synergy
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11%synergy
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23%synergy
Artifacts
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0%synergy
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-7%synergy
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15%synergy
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18%synergy
Talisman of Hierarchy
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Fellwar Stone
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1%synergy
Dimir Signet
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Talisman of Dominance
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-11%synergy
Blasting Station
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18%synergy
Altar of the Brood
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15%synergy
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10%synergy
Wishclaw Talisman
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8%synergy
Mind Stone
14%inclusion5 decks37 decks
-0%synergy
Lightning Greaves
14%inclusion5 decks37 decks
-11%synergy
Swiftfoot Boots
14%inclusion5 decks37 decks
-13%synergy
Nim Deathmantle
11%inclusion4 decks37 decks
10%synergy
Bontu's Monument
11%inclusion4 decks37 decks
9%synergy
Commander's Sphere
11%inclusion4 decks37 decks
-0%synergy
Relic Vial
8.1%inclusion3 decks37 decks
8%synergy
Horn of Gondor
8.1%inclusion3 decks37 decks
7%synergy
Mesmeric Orb
8.1%inclusion3 decks37 decks
7%synergy
Mindcrank
8.1%inclusion3 decks37 decks
7%synergy
The Ozolith
8.1%inclusion3 decks37 decks
5%synergy
Mana Vault
8.1%inclusion3 decks37 decks
2%synergy
Utility Lands
Bojuka Bog
41%inclusion15 decks37 decks
11%synergy
Urborg, Tomb of Yawgmoth
35%inclusion13 decks37 decks
26%synergy
Reliquary Tower
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0%synergy
Otawara, Soaring City
29%inclusion4 decks14 decks
12%synergy
Cabal Coffers
27%inclusion10 decks37 decks
18%synergy
Phyrexian Tower
24%inclusion9 decks37 decks
15%synergy
Castle Ardenvale
21%inclusion4 decks19 decks
17%synergy
Eiganjo, Seat of the Empire
16%inclusion3 decks19 decks
9%synergy
Westvale Abbey
14%inclusion5 decks37 decks
11%synergy
High Market
14%inclusion5 decks37 decks
11%synergy
Castle Locthwain
14%inclusion5 decks37 decks
10%synergy
Takenuma, Abandoned Mire
14%inclusion5 decks37 decks
5%synergy
War Room
11%inclusion4 decks37 decks
5%synergy
Ancient Tomb
11%inclusion4 decks37 decks
2%synergy
Rogue's Passage
11%inclusion4 decks37 decks
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Three Tree City
8.3%inclusion3 decks36 decks
3%synergy
Barad-dûr
8.1%inclusion3 decks37 decks
6%synergy
Nykthos, Shrine to Nyx
8.1%inclusion3 decks37 decks
3%synergy
Mana Artifacts
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84%inclusion31 decks37 decks
0%synergy
Arcane Signet
65%inclusion24 decks37 decks
-7%synergy
Orzhov Signet
37%inclusion7 decks19 decks
15%synergy
Talisman of Hierarchy
26%inclusion5 decks19 decks
-0%synergy
Fellwar Stone
22%inclusion8 decks37 decks
1%synergy
Dimir Signet
21%inclusion3 decks14 decks
-2%synergy
Talisman of Dominance
21%inclusion3 decks14 decks
-11%synergy
Thought Vessel
16%inclusion6 decks37 decks
-1%synergy
Mind Stone
14%inclusion5 decks37 decks
-0%synergy
Commander's Sphere
11%inclusion4 decks37 decks
-0%synergy
Mana Vault
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2%synergy
Lands
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100%inclusion3 decks3 decks
87%synergy
Command Tower
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-4%synergy
Overgrown Tomb
67%inclusion4 decks6 decks
25%synergy
Godless Shrine
53%inclusion10 decks19 decks
11%synergy
Bayou
50%inclusion3 decks6 decks
37%synergy
Tundra
50%inclusion3 decks6 decks
36%synergy
Watery Grave
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8%synergy
Scrubland
47%inclusion9 decks19 decks
34%synergy
Plateau
43%inclusion3 decks7 decks
31%synergy
Underground Sea
43%inclusion6 decks14 decks
28%synergy
Nomad Outpost
43%inclusion3 decks7 decks
15%synergy
Drowned Catacomb
43%inclusion6 decks14 decks
14%synergy
Shivan Reef
43%inclusion3 decks7 decks
13%synergy
Sulfur Falls
43%inclusion3 decks7 decks
7%synergy
Isolated Chapel
42%inclusion8 decks19 decks
7%synergy
Shipwreck Marsh
36%inclusion5 decks14 decks
18%synergy
Underground River
36%inclusion5 decks14 decks
13%synergy
Morphic Pool
36%inclusion5 decks14 decks
12%synergy
Polluted Delta
35%inclusion13 decks37 decks
23%synergy
Sulfurous Springs
33%inclusion5 decks15 decks
9%synergy
Dragonskull Summit
33%inclusion5 decks15 decks
-2%synergy
Caves of Koilos
32%inclusion6 decks19 decks
2%synergy
Marsh Flats
30%inclusion11 decks37 decks
19%synergy
Bloodstained Mire
30%inclusion11 decks37 decks
18%synergy
Exotic Orchard
30%inclusion11 decks37 decks
-7%synergy
Temple of Deceit
29%inclusion4 decks14 decks
15%synergy
Sunken Hollow
29%inclusion4 decks14 decks
-5%synergy
Verdant Catacombs
27%inclusion10 decks37 decks
16%synergy
Smoldering Marsh
27%inclusion4 decks15 decks
-7%synergy
Blood Crypt
27%inclusion4 decks15 decks
-12%synergy
Tainted Field
26%inclusion5 decks19 decks
14%synergy
Temple of Silence
26%inclusion5 decks19 decks
10%synergy
Vault of Champions
26%inclusion5 decks19 decks
3%synergy
Flooded Strand
24%inclusion9 decks37 decks
13%synergy
Path of Ancestry
24%inclusion9 decks37 decks
2%synergy
Arid Mesa
22%inclusion8 decks37 decks
12%synergy
Darkslick Shores
21%inclusion3 decks14 decks
17%synergy
Concealed Courtyard
21%inclusion4 decks19 decks
15%synergy
Orzhov Basilica
21%inclusion4 decks19 decks
7%synergy
Shattered Sanctum
21%inclusion4 decks19 decks
5%synergy
Misty Rainforest
19%inclusion7 decks37 decks
8%synergy
City of Brass
16%inclusion6 decks37 decks
9%synergy
Windswept Heath
16%inclusion6 decks37 decks
5%synergy
Desolate Mire
16%inclusion3 decks19 decks
9%synergy
Shadowy Backstreet
16%inclusion3 decks19 decks
5%synergy
Shineshadow Snarl
16%inclusion3 decks19 decks
3%synergy
Reflecting Pool
14%inclusion5 decks37 decks
8%synergy
Scalding Tarn
14%inclusion5 decks37 decks
3%synergy
Prismatic Vista
11%inclusion4 decks37 decks
6%synergy
Mana Confluence
11%inclusion4 decks37 decks
4%synergy