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
Jerren, Corrupted Bishop
0.4%inclusion3 decks854 decks
Shadowheart, Dark Justiciar // Haunted One
0.3%inclusion2 decks626 decks
Teysa Karlov
0.0%inclusion2 decks18.7K decks
Wick, the Whorled Mind
0.0%inclusion2 decks10.7K decks
Silvar, Devourer of the Free // Trynn, Champion of Freedom
0.0%inclusion2 decks4.35K decks
Varina, Lich Queen
0.0%inclusion2 decks10.3K decks
Zellix, Sanity Flayer // Scion of Halaster
0.3%inclusion1 decks375 decks
Captain N'ghathrod
0.0%inclusion1 decks15.9K decks
Mikaeus, the Unhallowed
0.1%inclusion1 decks1.82K decks
Vito, Thorn of the Dusk Rose
0.0%inclusion1 decks3.98K decks
Chainer, Nightmare Adept
0.0%inclusion1 decks3.27K decks
Wilhelt, the Rotcleaver
0.0%inclusion1 decks20.8K decks
Muldrotha, the Gravetide
0.0%inclusion1 decks21.5K decks
Henry Wu, InGen Geneticist
0.1%inclusion1 decks1.56K decks
Zur the Enchanter
0.0%inclusion1 decks13.9K decks
Phenax, God of Deception
0.0%inclusion1 decks8K decks
Ludevic, Necro-Alchemist // Reyhan, Last of the Abzan
0.9%inclusion1 decks117 decks
Kamiz, Obscura Oculus
0.0%inclusion1 decks3.72K decks
New Cards
Bitterbloom Bearer
17%inclusion1 decks6 decks
16%synergy
High Synergy Cards
Goblin Bombardment
69%inclusion9 decks13 decks
64%synergy
Arcane Adaptation
58%inclusion11 decks19 decks
57%synergy
Ashnod's Altar
62%inclusion26 decks42 decks
55%synergy
Leyline of Transformation
56%inclusion5 decks9 decks
55%synergy
Phyrexian Altar
45%inclusion19 decks42 decks
42%synergy
Zulaport Cutthroat
48%inclusion20 decks42 decks
39%synergy
Bastion of Remembrance
45%inclusion19 decks42 decks
39%synergy
Pitiless Plunderer
40%inclusion17 decks42 decks
32%synergy
Xenograft
32%inclusion6 decks19 decks
31%synergy
Artificial Evolution
32%inclusion6 decks19 decks
31%synergy
Top Cards
Swords to Plowshares
75%inclusion12 decks16 decks
13%synergy
Blood Artist
43%inclusion18 decks42 decks
31%synergy
Arcane Denial
42%inclusion8 decks19 decks
22%synergy
Impact Tremors
38%inclusion5 decks13 decks
29%synergy
Viscera Seer
38%inclusion16 decks42 decks
30%synergy
An Offer You Can't Refuse
37%inclusion7 decks19 decks
13%synergy
Counterspell
37%inclusion7 decks19 decks
-5%synergy
Dark Ritual
36%inclusion15 decks42 decks
12%synergy
Swan Song
32%inclusion6 decks19 decks
14%synergy
Esper Sentinel
31%inclusion5 decks16 decks
12%synergy
Game Changers
Smothering Tithe
44%inclusion7 decks16 decks
22%synergy
Enlightened Tutor
38%inclusion6 decks16 decks
22%synergy
Rhystic Study
37%inclusion7 decks19 decks
12%synergy
Cyclonic Rift
32%inclusion6 decks19 decks
8%synergy
Demonic Tutor
26%inclusion11 decks42 decks
6%synergy
Vampiric Tutor
19%inclusion8 decks42 decks
4%synergy
Force of Will
16%inclusion3 decks19 decks
6%synergy
Mystical Tutor
16%inclusion3 decks19 decks
3%synergy
Imperial Seal
12%inclusion5 decks42 decks
7%synergy
Bolas's Citadel
12%inclusion5 decks42 decks
4%synergy
Creatures
Eternal Witness
43%inclusion3 decks7 decks
25%synergy
Rotlung Reanimator
31%inclusion13 decks42 decks
31%synergy
Syr Konrad, the Grim
31%inclusion13 decks42 decks
22%synergy
Fiend Hunter
25%inclusion4 decks16 decks
24%synergy
Teysa, Orzhov Scion
25%inclusion4 decks16 decks
23%synergy
Luminous Broodmoth
25%inclusion4 decks16 decks
23%synergy
Umbral Collar Zealot
25%inclusion3 decks12 decks
22%synergy
Teysa Karlov
25%inclusion4 decks16 decks
20%synergy
Cruel Celebrant
25%inclusion4 decks16 decks
17%synergy
Elas il-Kor, Sadistic Pilgrim
25%inclusion4 decks16 decks
15%synergy
Carrion Feeder
24%inclusion10 decks42 decks
19%synergy
Gisa and Geralf
21%inclusion4 decks19 decks
19%synergy
Diregraf Captain
21%inclusion4 decks19 decks
18%synergy
Kambal, Profiteering Mayor
20%inclusion3 decks15 decks
14%synergy
Gravecrawler
19%inclusion8 decks42 decks
15%synergy
Morbid Opportunist
19%inclusion8 decks42 decks
12%synergy
Reveillark
19%inclusion3 decks16 decks
18%synergy
Karmic Guide
19%inclusion3 decks16 decks
15%synergy
Corpse Knight
19%inclusion3 decks16 decks
13%synergy
Sun Titan
19%inclusion3 decks16 decks
10%synergy
Grand Abolisher
19%inclusion3 decks16 decks
10%synergy
Species Specialist
17%inclusion7 decks42 decks
16%synergy
Woe Strider
17%inclusion7 decks42 decks
15%synergy
Priest of Forgotten Gods
17%inclusion7 decks42 decks
15%synergy
Grim Haruspex
17%inclusion7 decks42 decks
14%synergy
Ayara, First of Locthwain
17%inclusion7 decks42 decks
13%synergy
Plaguecrafter
17%inclusion7 decks42 decks
12%synergy
Mirkwood Bats
17%inclusion7 decks42 decks
7%synergy
Geralf, Visionary Stitcher
16%inclusion3 decks19 decks
15%synergy
Jace's Archivist
16%inclusion3 decks19 decks
14%synergy
Reassembling Skeleton
14%inclusion6 decks42 decks
11%synergy
Gray Merchant of Asphodel
14%inclusion6 decks42 decks
6%synergy
Warren Soultrader
13%inclusion4 decks32 decks
7%synergy
Whisper, Blood Liturgist
12%inclusion5 decks42 decks
11%synergy
Dimir House Guard
12%inclusion5 decks42 decks
11%synergy
Bloodsoaked Champion
12%inclusion5 decks42 decks
11%synergy
Doomed Necromancer
12%inclusion5 decks42 decks
11%synergy
Ghoulcaller Gisa
12%inclusion5 decks42 decks
11%synergy
Demon's Disciple
12%inclusion5 decks42 decks
10%synergy
Jadar, Ghoulcaller of Nephalia
12%inclusion5 decks42 decks
10%synergy
Butcher of Malakir
12%inclusion5 decks42 decks
9%synergy
Solemn Simulacrum
12%inclusion5 decks42 decks
-1%synergy
Sling-Gang Lieutenant
10%inclusion4 decks42 decks
9%synergy
Doomed Dissenter
10%inclusion4 decks42 decks
9%synergy
Liliana, Heretical Healer
10%inclusion4 decks42 decks
9%synergy
Cryptbreaker
10%inclusion4 decks42 decks
8%synergy
Falkenrath Noble
10%inclusion4 decks42 decks
8%synergy
Yawgmoth, Thran Physician
10%inclusion4 decks42 decks
6%synergy
Crypt Ghast
10%inclusion4 decks42 decks
4%synergy
Sheoldred, the Apocalypse
10%inclusion4 decks42 decks
4%synergy
Instants
Mana Drain
26%inclusion5 decks19 decks
12%synergy
Pyroblast
23%inclusion3 decks13 decks
17%synergy
Chaos Warp
23%inclusion3 decks13 decks
-7%synergy
Muddle the Mixture
21%inclusion4 decks19 decks
17%synergy
Fierce Guardianship
21%inclusion4 decks19 decks
3%synergy
Malakir Rebirth
19%inclusion8 decks42 decks
11%synergy
Silence
19%inclusion3 decks16 decks
12%synergy
Akroma's Will
19%inclusion3 decks16 decks
9%synergy
Stroke of Midnight
19%inclusion3 decks16 decks
8%synergy
Anguished Unmaking
19%inclusion3 decks16 decks
-6%synergy
Path to Exile
19%inclusion3 decks16 decks
-28%synergy
Withering Torment
18%inclusion4 decks22 decks
10%synergy
Pact of Negation
16%inclusion3 decks19 decks
9%synergy
Force of Negation
16%inclusion3 decks19 decks
8%synergy
Pongify
16%inclusion3 decks19 decks
4%synergy
Brainstorm
16%inclusion3 decks19 decks
-3%synergy
Negate
16%inclusion3 decks19 decks
-5%synergy
Entomb
14%inclusion6 decks42 decks
7%synergy
Village Rites
12%inclusion5 decks42 decks
3%synergy
Deadly Dispute
12%inclusion5 decks42 decks
0%synergy
Hagra Mauling
10%inclusion4 decks42 decks
8%synergy
Cabal Ritual
10%inclusion4 decks42 decks
4%synergy
Deadly Rollick
10%inclusion4 decks42 decks
-4%synergy
Fell the Profane
9.4%inclusion3 decks32 decks
0%synergy
Plumb the Forbidden
7.1%inclusion3 decks42 decks
5%synergy
Snuff Out
7.1%inclusion3 decks42 decks
4%synergy
Go for the Throat
7.1%inclusion3 decks42 decks
0%synergy
Sorceries
Feed the Swarm
31%inclusion13 decks42 decks
14%synergy
Blasphemous Act
31%inclusion4 decks13 decks
-2%synergy
Reanimate
29%inclusion12 decks42 decks
10%synergy
Victimize
26%inclusion11 decks42 decks
14%synergy
Toxic Deluge
21%inclusion9 decks42 decks
3%synergy
Grim Tutor
19%inclusion8 decks42 decks
15%synergy
Diabolic Tutor
19%inclusion8 decks42 decks
13%synergy
Diabolic Intent
19%inclusion8 decks42 decks
11%synergy
Sign in Blood
17%inclusion7 decks42 decks
8%synergy
Preordain
16%inclusion3 decks19 decks
6%synergy
Ponder
16%inclusion3 decks19 decks
4%synergy
Buried Alive
14%inclusion6 decks42 decks
8%synergy
Blasphemous Edict
14%inclusion3 decks22 decks
8%synergy
Beseech the Mirror
12%inclusion5 decks42 decks
9%synergy
Read the Bones
12%inclusion5 decks42 decks
6%synergy
Dimir Machinations
10%inclusion4 decks42 decks
9%synergy
Bone Shards
10%inclusion4 decks42 decks
8%synergy
Profane Tutor
10%inclusion4 decks42 decks
7%synergy
Torment of Hailfire
10%inclusion4 decks42 decks
5%synergy
Damnation
10%inclusion4 decks42 decks
3%synergy
Dread Summons
7.1%inclusion3 decks42 decks
6%synergy
Crippling Fear
7.1%inclusion3 decks42 decks
5%synergy
Agadeem's Awakening
7.1%inclusion3 decks42 decks
4%synergy
Rise of the Dark Realms
7.1%inclusion3 decks42 decks
3%synergy
Living Death
7.1%inclusion3 decks42 decks
2%synergy
Exsanguinate
7.1%inclusion3 decks42 decks
0%synergy
Night's Whisper
7.1%inclusion3 decks42 decks
-2%synergy
Utility Artifacts
Skullclamp
29%inclusion12 decks42 decks
17%synergy
Blasting Station
19%inclusion8 decks42 decks
19%synergy
Altar of the Brood
17%inclusion7 decks42 decks
16%synergy
Bontu's Monument
17%inclusion7 decks42 decks
15%synergy
Lightning Greaves
17%inclusion7 decks42 decks
-8%synergy
Wishclaw Talisman
14%inclusion6 decks42 decks
9%synergy
Swiftfoot Boots
14%inclusion6 decks42 decks
-13%synergy
Mindcrank
12%inclusion5 decks42 decks
10%synergy
Jet Medallion
12%inclusion5 decks42 decks
8%synergy
Desecrated Tomb
10%inclusion4 decks42 decks
9%synergy
Realmbreaker, the Invasion Tree
10%inclusion4 decks42 decks
9%synergy
Nim Deathmantle
10%inclusion4 decks42 decks
9%synergy
Mesmeric Orb
7.1%inclusion3 decks42 decks
6%synergy
Thousand-Year Elixir
7.1%inclusion3 decks42 decks
5%synergy
Wayfarer's Bauble
7.1%inclusion3 decks42 decks
-1%synergy
Enchantments
Molten Echoes
31%inclusion4 decks13 decks
29%synergy
Conspiracy
29%inclusion12 decks42 decks
28%synergy
Phyrexian Arena
21%inclusion9 decks42 decks
6%synergy
Rooftop Storm
21%inclusion4 decks19 decks
19%synergy
Mystic Remora
21%inclusion4 decks19 decks
5%synergy
Black Market
19%inclusion8 decks42 decks
15%synergy
Black Market Connections
19%inclusion8 decks42 decks
7%synergy
Anointed Procession
19%inclusion3 decks16 decks
11%synergy
Dictate of Erebos
17%inclusion7 decks42 decks
14%synergy
Grave Pact
17%inclusion7 decks42 decks
12%synergy
The Meathook Massacre
17%inclusion7 decks42 decks
11%synergy
Phyrexian Reclamation
14%inclusion6 decks42 decks
11%synergy
Agent of the Iron Throne
10%inclusion4 decks42 decks
8%synergy
Bitterblossom
10%inclusion4 decks42 decks
5%synergy
Sanguine Bond
10%inclusion4 decks42 decks
4%synergy
Animate Dead
10%inclusion4 decks42 decks
0%synergy
Retribution of the Ancients
7.1%inclusion3 decks42 decks
7%synergy
Liliana's Contract
7.1%inclusion3 decks42 decks
6%synergy
Open the Graves
7.1%inclusion3 decks42 decks
6%synergy
Endless Ranks of the Dead
7.1%inclusion3 decks42 decks
6%synergy
Tortured Existence
7.1%inclusion3 decks42 decks
5%synergy
Dreadhorde Invasion
7.1%inclusion3 decks42 decks
5%synergy
Exquisite Blood
7.1%inclusion3 decks42 decks
2%synergy
Planeswalkers
Liliana, Dreadhorde General
24%inclusion10 decks42 decks
20%synergy
Utility Lands
Bojuka Bog
40%inclusion17 decks42 decks
11%synergy
Urborg, Tomb of Yawgmoth
29%inclusion12 decks42 decks
20%synergy
Cabal Coffers
26%inclusion11 decks42 decks
16%synergy
Reliquary Tower
26%inclusion11 decks42 decks
-4%synergy
Otawara, Soaring City
21%inclusion4 decks19 decks
5%synergy
Phyrexian Tower
19%inclusion8 decks42 decks
10%synergy
Castle Ardenvale
19%inclusion3 decks16 decks
14%synergy
Westvale Abbey
14%inclusion6 decks42 decks
12%synergy
Castle Locthwain
14%inclusion6 decks42 decks
10%synergy
Three Tree City
10%inclusion3 decks30 decks
5%synergy
Takenuma, Abandoned Mire
10%inclusion4 decks42 decks
1%synergy
Temple of the False God
10%inclusion4 decks42 decks
0%synergy
Ancient Tomb
10%inclusion4 decks42 decks
0%synergy
Rogue's Passage
10%inclusion4 decks42 decks
-11%synergy
Crypt of Agadeem
7.1%inclusion3 decks42 decks
5%synergy
Barad-dûr
7.1%inclusion3 decks42 decks
5%synergy
High Market
7.1%inclusion3 decks42 decks
5%synergy
Witch's Cottage
7.1%inclusion3 decks42 decks
4%synergy
Command Beacon
7.1%inclusion3 decks42 decks
2%synergy
Nykthos, Shrine to Nyx
7.1%inclusion3 decks42 decks
2%synergy
War Room
7.1%inclusion3 decks42 decks
1%synergy
Urza's Saga
7.1%inclusion3 decks42 decks
0%synergy
Mana Artifacts
Sol Ring
83%inclusion35 decks42 decks
0%synergy
Arcane Signet
64%inclusion27 decks42 decks
-8%synergy
Dimir Signet
42%inclusion8 decks19 decks
16%synergy
Orzhov Signet
38%inclusion6 decks16 decks
13%synergy
Talisman of Dominance
37%inclusion7 decks19 decks
4%synergy
Fellwar Stone
26%inclusion11 decks42 decks
6%synergy
Talisman of Hierarchy
25%inclusion4 decks16 decks
-1%synergy
Mind Stone
14%inclusion6 decks42 decks
-1%synergy
Thought Vessel
14%inclusion6 decks42 decks
-3%synergy
Commander's Sphere
10%inclusion4 decks42 decks
-3%synergy
Mana Crypt
7.1%inclusion3 decks42 decks
5%synergy
Mana Vault
7.1%inclusion3 decks42 decks
1%synergy
Chromatic Lantern
7.1%inclusion3 decks42 decks
-2%synergy
Lands
Zagoth Triome
75%inclusion3 decks4 decks
47%synergy
Overgrown Tomb
71%inclusion5 decks7 decks
31%synergy
Watery Grave
68%inclusion13 decks19 decks
27%synergy
Tundra
67%inclusion4 decks6 decks
53%synergy
Command Tower
62%inclusion26 decks42 decks
-12%synergy
Raffine's Tower
50%inclusion3 decks6 decks
25%synergy
Sea of Clouds
50%inclusion3 decks6 decks
25%synergy
Nomad Outpost
50%inclusion3 decks6 decks
20%synergy
Hallowed Fountain
50%inclusion3 decks6 decks
11%synergy
Drowned Catacomb
47%inclusion9 decks19 decks
19%synergy
Scrubland
44%inclusion7 decks16 decks
30%synergy
Godless Shrine
44%inclusion7 decks16 decks
3%synergy
Underground Sea
42%inclusion8 decks19 decks
28%synergy
Shipwreck Marsh
42%inclusion8 decks19 decks
24%synergy
Morphic Pool
42%inclusion8 decks19 decks
17%synergy
Polluted Delta
36%inclusion15 decks42 decks
24%synergy
Underground River
32%inclusion6 decks19 decks
9%synergy
Caves of Koilos
31%inclusion5 decks16 decks
2%synergy
Isolated Chapel
31%inclusion5 decks16 decks
-2%synergy
Sulfurous Springs
31%inclusion4 decks13 decks
7%synergy
Sunken Hollow
26%inclusion5 decks19 decks
-8%synergy
Path of Ancestry
26%inclusion11 decks42 decks
4%synergy
Tainted Field
25%inclusion4 decks16 decks
12%synergy
Orzhov Basilica
25%inclusion4 decks16 decks
10%synergy
Verdant Catacombs
24%inclusion10 decks42 decks
13%synergy
Dragonskull Summit
23%inclusion3 decks13 decks
-11%synergy
Blood Crypt
23%inclusion3 decks13 decks
-14%synergy
Marsh Flats
21%inclusion9 decks42 decks
11%synergy
Bloodstained Mire
21%inclusion9 decks42 decks
10%synergy
Temple of Deceit
21%inclusion4 decks19 decks
6%synergy
Desolate Mire
20%inclusion3 decks15 decks
14%synergy
Exotic Orchard
19%inclusion8 decks42 decks
-17%synergy
Shineshadow Snarl
19%inclusion3 decks16 decks
6%synergy
Temple of Silence
19%inclusion3 decks16 decks
1%synergy
Vault of Champions
19%inclusion3 decks16 decks
-6%synergy
Flooded Strand
17%inclusion7 decks42 decks
5%synergy
Misty Rainforest
17%inclusion7 decks42 decks
5%synergy
Darkslick Shores
16%inclusion3 decks19 decks
11%synergy
Clearwater Pathway
16%inclusion3 decks19 decks
8%synergy
Tainted Isle
16%inclusion3 decks19 decks
5%synergy
Myriad Landscape
14%inclusion6 decks42 decks
-2%synergy
Reflecting Pool
12%inclusion5 decks42 decks
7%synergy
City of Brass
12%inclusion5 decks42 decks
4%synergy
Arid Mesa
12%inclusion5 decks42 decks
2%synergy
Scalding Tarn
12%inclusion5 decks42 decks
1%synergy
Terramorphic Expanse
12%inclusion5 decks42 decks
-3%synergy
Evolving Wilds
12%inclusion5 decks42 decks
-9%synergy
Fabled Passage
10%inclusion4 decks42 decks
0%synergy
Unclaimed Territory
7.1%inclusion3 decks42 decks
3%synergy
Prismatic Vista
7.1%inclusion3 decks42 decks
2%synergy