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
Wick, the Whorled Mind
0.0%inclusion3 decks11.6K decks
Jerren, Corrupted Bishop
0.3%inclusion3 decks890 decks
Shadowheart, Dark Justiciar // Haunted One
0.3%inclusion2 decks783 decks
Teysa Karlov
0.0%inclusion2 decks19.1K decks
Silvar, Devourer of the Free // Trynn, Champion of Freedom
0.0%inclusion2 decks4.41K decks
Varina, Lich Queen
0.0%inclusion2 decks10.5K decks
Zellix, Sanity Flayer // Scion of Halaster
0.3%inclusion1 decks387 decks
Captain N'ghathrod
0.0%inclusion1 decks16.3K decks
Mikaeus, the Unhallowed
0.1%inclusion1 decks1.90K decks
Vito, Thorn of the Dusk Rose
0.0%inclusion1 decks4.18K decks
Chainer, Nightmare Adept
0.0%inclusion1 decks3.25K decks
Kresh the Bloodbraided
0.0%inclusion1 decks3.67K decks
Orah, Skyclave Hierophant
0.0%inclusion1 decks3.18K decks
Phenax, God of Deception
0.0%inclusion1 decks8.22K decks
Ludevic, Necro-Alchemist // Reyhan, Last of the Abzan
0.9%inclusion1 decks108 decks
Kamiz, Obscura Oculus
0.0%inclusion1 decks3.65K decks
Karador, Ghost Chieftain
0.0%inclusion1 decks6.23K decks
Meren of Clan Nel Toth
0.0%inclusion1 decks19.6K decks
New Cards
Bitterbloom Bearer
7.7%inclusion1 decks13 decks
6%synergy
High Synergy Cards
Arcane Adaptation
75%inclusion12 decks16 decks
74%synergy
Ashnod's Altar
68%inclusion27 decks40 decks
61%synergy
Leyline of Transformation
58%inclusion7 decks12 decks
57%synergy
Goblin Bombardment
63%inclusion10 decks16 decks
57%synergy
Xenograft
50%inclusion8 decks16 decks
50%synergy
Phyrexian Altar
53%inclusion21 decks40 decks
49%synergy
Birds of Paradise
67%inclusion4 decks6 decks
39%synergy
Zulaport Cutthroat
48%inclusion19 decks40 decks
39%synergy
Rotlung Reanimator
38%inclusion15 decks40 decks
37%synergy
Artificial Evolution
38%inclusion6 decks16 decks
37%synergy
Top Cards
Swords to Plowshares
78%inclusion14 decks18 decks
17%synergy
An Offer You Can't Refuse
50%inclusion8 decks16 decks
25%synergy
Pitiless Plunderer
45%inclusion18 decks40 decks
36%synergy
Blood Artist
45%inclusion18 decks40 decks
34%synergy
Bastion of Remembrance
43%inclusion17 decks40 decks
36%synergy
Viscera Seer
40%inclusion16 decks40 decks
32%synergy
Impact Tremors
38%inclusion6 decks16 decks
28%synergy
Arcane Denial
38%inclusion6 decks16 decks
17%synergy
Counterspell
38%inclusion6 decks16 decks
-4%synergy
Conspiracy
35%inclusion14 decks40 decks
34%synergy
Game Changers
Enlightened Tutor
39%inclusion7 decks18 decks
24%synergy
Cyclonic Rift
38%inclusion6 decks16 decks
15%synergy
Smothering Tithe
33%inclusion6 decks18 decks
12%synergy
Rhystic Study
31%inclusion5 decks16 decks
8%synergy
Demonic Tutor
25%inclusion10 decks40 decks
6%synergy
Vampiric Tutor
20%inclusion8 decks40 decks
5%synergy
Imperial Seal
13%inclusion5 decks40 decks
7%synergy
Bolas's Citadel
13%inclusion5 decks40 decks
5%synergy
Tergrid, God of Fright
7.5%inclusion3 decks40 decks
6%synergy
Mana Vault
7.5%inclusion3 decks40 decks
2%synergy
Creatures
Elas il-Kor, Sadistic Pilgrim
33%inclusion6 decks18 decks
24%synergy
Teysa Karlov
28%inclusion5 decks18 decks
23%synergy
Cruel Celebrant
28%inclusion5 decks18 decks
20%synergy
Grand Abolisher
28%inclusion5 decks18 decks
19%synergy
Esper Sentinel
28%inclusion5 decks18 decks
9%synergy
Taurean Mauler
25%inclusion4 decks16 decks
22%synergy
Syr Konrad, the Grim
25%inclusion10 decks40 decks
17%synergy
Fiend Hunter
22%inclusion4 decks18 decks
21%synergy
Reveillark
22%inclusion4 decks18 decks
21%synergy
Teysa, Orzhov Scion
22%inclusion4 decks18 decks
21%synergy
Luminous Broodmoth
22%inclusion4 decks18 decks
20%synergy
Karmic Guide
22%inclusion4 decks18 decks
19%synergy
Mangara, the Diplomat
22%inclusion4 decks18 decks
18%synergy
Kambal, Profiteering Mayor
22%inclusion4 decks18 decks
17%synergy
Agate Instigator
21%inclusion3 decks14 decks
19%synergy
Species Specialist
20%inclusion8 decks40 decks
19%synergy
Priest of Forgotten Gods
20%inclusion8 decks40 decks
18%synergy
Ayara, First of Locthwain
20%inclusion8 decks40 decks
17%synergy
Totentanz, Swarm Piper
19%inclusion3 decks16 decks
18%synergy
Amoeboid Changeling
19%inclusion3 decks16 decks
18%synergy
Jace's Archivist
19%inclusion3 decks16 decks
17%synergy
Purphoros, God of the Forge
19%inclusion3 decks16 decks
15%synergy
Mayhem Devil
19%inclusion3 decks16 decks
9%synergy
Woe Strider
18%inclusion7 decks40 decks
16%synergy
Carrion Feeder
18%inclusion7 decks40 decks
13%synergy
Morbid Opportunist
18%inclusion7 decks40 decks
10%synergy
Mirkwood Bats
18%inclusion7 decks40 decks
9%synergy
Ayli, Eternal Pilgrim
17%inclusion3 decks18 decks
15%synergy
Ratadrabik of Urborg
17%inclusion3 decks18 decks
14%synergy
Corpse Knight
17%inclusion3 decks18 decks
11%synergy
Soul Warden
17%inclusion3 decks18 decks
11%synergy
Mother of Runes
17%inclusion3 decks18 decks
11%synergy
Sun Titan
17%inclusion3 decks18 decks
8%synergy
Umbral Collar Zealot
16%inclusion3 decks19 decks
13%synergy
Grim Haruspex
15%inclusion6 decks40 decks
12%synergy
Gravecrawler
15%inclusion6 decks40 decks
11%synergy
Gray Merchant of Asphodel
15%inclusion6 decks40 decks
6%synergy
Warren Soultrader
14%inclusion5 decks37 decks
8%synergy
Whisper, Blood Liturgist
13%inclusion5 decks40 decks
12%synergy
Dimir House Guard
13%inclusion5 decks40 decks
12%synergy
Bloodsoaked Champion
13%inclusion5 decks40 decks
12%synergy
Doomed Necromancer
13%inclusion5 decks40 decks
12%synergy
Butcher of Malakir
13%inclusion5 decks40 decks
10%synergy
Yawgmoth, Thran Physician
13%inclusion5 decks40 decks
9%synergy
Reassembling Skeleton
13%inclusion5 decks40 decks
9%synergy
Sheoldred, the Apocalypse
13%inclusion5 decks40 decks
7%synergy
Solemn Simulacrum
13%inclusion5 decks40 decks
0%synergy
Marionette Apprentice
11%inclusion4 decks37 decks
6%synergy
Shadow-Rite Priest
10%inclusion4 decks40 decks
10%synergy
Taborax, Hope's Demise
10%inclusion4 decks40 decks
10%synergy
Instants
Dark Ritual
35%inclusion14 decks40 decks
11%synergy
Negate
31%inclusion5 decks16 decks
10%synergy
Path to Exile
28%inclusion5 decks18 decks
-19%synergy
Mana Drain
25%inclusion4 decks16 decks
11%synergy
Swan Song
25%inclusion4 decks16 decks
7%synergy
Malakir Rebirth
23%inclusion9 decks40 decks
14%synergy
Anguished Unmaking
22%inclusion4 decks18 decks
-2%synergy
Muddle the Mixture
19%inclusion3 decks16 decks
14%synergy
Pyroblast
19%inclusion3 decks16 decks
13%synergy
Pongify
19%inclusion3 decks16 decks
8%synergy
Bedevil
19%inclusion3 decks16 decks
7%synergy
Rakdos Charm
19%inclusion3 decks16 decks
4%synergy
Fierce Guardianship
19%inclusion3 decks16 decks
1%synergy
Brainstorm
19%inclusion3 decks16 decks
0%synergy
Chaos Warp
19%inclusion3 decks16 decks
-11%synergy
Withering Torment
18%inclusion5 decks28 decks
10%synergy
Dire Tactics
17%inclusion3 decks18 decks
15%synergy
Silence
17%inclusion3 decks18 decks
10%synergy
Inkshield
17%inclusion3 decks18 decks
10%synergy
Akroma's Will
17%inclusion3 decks18 decks
7%synergy
Stroke of Midnight
17%inclusion3 decks18 decks
6%synergy
Despark
17%inclusion3 decks18 decks
3%synergy
Entomb
13%inclusion5 decks40 decks
6%synergy
Hagra Mauling
10%inclusion4 decks40 decks
8%synergy
Cabal Ritual
10%inclusion4 decks40 decks
5%synergy
Village Rites
10%inclusion4 decks40 decks
1%synergy
Deadly Dispute
10%inclusion4 decks40 decks
-2%synergy
Fell the Profane
8.1%inclusion3 decks37 decks
-1%synergy
Snuff Out
7.5%inclusion3 decks40 decks
4%synergy
Deadly Rollick
7.5%inclusion3 decks40 decks
-6%synergy
Sorceries
Blasphemous Act
31%inclusion5 decks16 decks
-2%synergy
Feed the Swarm
30%inclusion12 decks40 decks
14%synergy
Reanimate
30%inclusion12 decks40 decks
11%synergy
Victimize
25%inclusion10 decks40 decks
13%synergy
Grim Tutor
20%inclusion8 decks40 decks
16%synergy
Diabolic Tutor
20%inclusion8 decks40 decks
14%synergy
Preordain
19%inclusion3 decks16 decks
10%synergy
Ponder
19%inclusion3 decks16 decks
7%synergy
Toxic Deluge
18%inclusion7 decks40 decks
-1%synergy
Buried Alive
15%inclusion6 decks40 decks
9%synergy
Diabolic Intent
15%inclusion6 decks40 decks
7%synergy
Sign in Blood
15%inclusion6 decks40 decks
6%synergy
Beseech the Mirror
13%inclusion5 decks40 decks
9%synergy
Read the Bones
13%inclusion5 decks40 decks
7%synergy
Blasphemous Edict
11%inclusion3 decks28 decks
5%synergy
Dimir Machinations
10%inclusion4 decks40 decks
10%synergy
Rise of the Dark Realms
10%inclusion4 decks40 decks
5%synergy
Damnation
10%inclusion4 decks40 decks
3%synergy
Bone Shards
7.5%inclusion3 decks40 decks
6%synergy
Profane Tutor
7.5%inclusion3 decks40 decks
5%synergy
Patriarch's Bidding
7.5%inclusion3 decks40 decks
5%synergy
Agadeem's Awakening
7.5%inclusion3 decks40 decks
4%synergy
Unearth
7.5%inclusion3 decks40 decks
4%synergy
Torment of Hailfire
7.5%inclusion3 decks40 decks
3%synergy
Living Death
7.5%inclusion3 decks40 decks
2%synergy
Exsanguinate
7.5%inclusion3 decks40 decks
1%synergy
Night's Whisper
7.5%inclusion3 decks40 decks
-2%synergy
Utility Artifacts
Skullclamp
30%inclusion12 decks40 decks
19%synergy
Blasting Station
18%inclusion7 decks40 decks
17%synergy
Lightning Greaves
18%inclusion7 decks40 decks
-7%synergy
Altar of the Brood
15%inclusion6 decks40 decks
14%synergy
Jet Medallion
15%inclusion6 decks40 decks
11%synergy
Swiftfoot Boots
15%inclusion6 decks40 decks
-12%synergy
Nim Deathmantle
13%inclusion5 decks40 decks
12%synergy
Bontu's Monument
13%inclusion5 decks40 decks
10%synergy
Wishclaw Talisman
13%inclusion5 decks40 decks
7%synergy
Oathkeeper, Takeno's Daisho
7.5%inclusion3 decks40 decks
7%synergy
Relic Vial
7.5%inclusion3 decks40 decks
7%synergy
Realmbreaker, the Invasion Tree
7.5%inclusion3 decks40 decks
7%synergy
Thornbite Staff
7.5%inclusion3 decks40 decks
7%synergy
Mesmeric Orb
7.5%inclusion3 decks40 decks
6%synergy
Mindcrank
7.5%inclusion3 decks40 decks
6%synergy
Thousand-Year Elixir
7.5%inclusion3 decks40 decks
6%synergy
The Ozolith
7.5%inclusion3 decks40 decks
4%synergy
Enchantments
Molten Echoes
25%inclusion4 decks16 decks
24%synergy
Black Market Connections
23%inclusion9 decks40 decks
11%synergy
Phyrexian Arena
23%inclusion9 decks40 decks
7%synergy
Black Market
20%inclusion8 decks40 decks
16%synergy
Grave Pact
20%inclusion8 decks40 decks
15%synergy
Mystic Remora
19%inclusion3 decks16 decks
3%synergy
Anointed Procession
17%inclusion3 decks18 decks
9%synergy
Dictate of Erebos
15%inclusion6 decks40 decks
12%synergy
Phyrexian Reclamation
15%inclusion6 decks40 decks
12%synergy
The Meathook Massacre
15%inclusion6 decks40 decks
10%synergy
Animate Dead
13%inclusion5 decks40 decks
4%synergy
Agent of the Iron Throne
10%inclusion4 decks40 decks
8%synergy
Funeral Room // Awakening Hall
10%inclusion3 decks30 decks
8%synergy
Sanguine Bond
10%inclusion4 decks40 decks
5%synergy
Liliana's Contract
7.5%inclusion3 decks40 decks
7%synergy
Tortured Existence
7.5%inclusion3 decks40 decks
6%synergy
Bitterblossom
7.5%inclusion3 decks40 decks
3%synergy
Exquisite Blood
7.5%inclusion3 decks40 decks
2%synergy
Planeswalkers
Liliana, Dreadhorde General
25%inclusion10 decks40 decks
21%synergy
Utility Lands
Bojuka Bog
40%inclusion16 decks40 decks
10%synergy
Reliquary Tower
30%inclusion12 decks40 decks
0%synergy
Urborg, Tomb of Yawgmoth
28%inclusion11 decks40 decks
19%synergy
Cabal Coffers
25%inclusion10 decks40 decks
15%synergy
Otawara, Soaring City
25%inclusion4 decks16 decks
9%synergy
Phyrexian Tower
20%inclusion8 decks40 decks
11%synergy
Castle Ardenvale
17%inclusion3 decks18 decks
12%synergy
Westvale Abbey
13%inclusion5 decks40 decks
10%synergy
Castle Locthwain
13%inclusion5 decks40 decks
9%synergy
Nykthos, Shrine to Nyx
10%inclusion4 decks40 decks
5%synergy
Takenuma, Abandoned Mire
10%inclusion4 decks40 decks
1%synergy
Rogue's Passage
10%inclusion4 decks40 decks
-10%synergy
Three Tree City
8.6%inclusion3 decks35 decks
3%synergy
Crypt of Agadeem
7.5%inclusion3 decks40 decks
6%synergy
Barad-dûr
7.5%inclusion3 decks40 decks
6%synergy
High Market
7.5%inclusion3 decks40 decks
5%synergy
Command Beacon
7.5%inclusion3 decks40 decks
3%synergy
War Room
7.5%inclusion3 decks40 decks
2%synergy
Temple of the False God
7.5%inclusion3 decks40 decks
-2%synergy
Ancient Tomb
7.5%inclusion3 decks40 decks
-2%synergy
Mana Artifacts
Sol Ring
83%inclusion33 decks40 decks
-1%synergy
Arcane Signet
68%inclusion27 decks40 decks
-5%synergy
Orzhov Signet
33%inclusion6 decks18 decks
10%synergy
Dimir Signet
31%inclusion5 decks16 decks
7%synergy
Talisman of Dominance
25%inclusion4 decks16 decks
-8%synergy
Fellwar Stone
23%inclusion9 decks40 decks
2%synergy
Talisman of Hierarchy
22%inclusion4 decks18 decks
-4%synergy
Thought Vessel
18%inclusion7 decks40 decks
0%synergy
Mind Stone
15%inclusion6 decks40 decks
0%synergy
Commander's Sphere
13%inclusion5 decks40 decks
1%synergy
Lands
Ziatora's Proving Ground
75%inclusion3 decks4 decks
48%synergy
Overgrown Tomb
67%inclusion4 decks6 decks
26%synergy
Command Tower
65%inclusion26 decks40 decks
-9%synergy
Watery Grave
56%inclusion9 decks16 decks
15%synergy
Tundra
50%inclusion3 decks6 decks
36%synergy
Raffine's Tower
50%inclusion3 decks6 decks
26%synergy
Hallowed Fountain
50%inclusion3 decks6 decks
10%synergy
Godless Shrine
50%inclusion9 decks18 decks
9%synergy
Scrubland
44%inclusion8 decks18 decks
31%synergy
Underground Sea
44%inclusion7 decks16 decks
29%synergy
Drowned Catacomb
44%inclusion7 decks16 decks
15%synergy
Savai Triome
43%inclusion3 decks7 decks
19%synergy
Nomad Outpost
43%inclusion3 decks7 decks
14%synergy
Isolated Chapel
39%inclusion7 decks18 decks
5%synergy
Shipwreck Marsh
38%inclusion6 decks16 decks
19%synergy
Morphic Pool
38%inclusion6 decks16 decks
13%synergy
Shivan Reef
38%inclusion3 decks8 decks
8%synergy
Sulfur Falls
38%inclusion3 decks8 decks
2%synergy
Polluted Delta
33%inclusion13 decks40 decks
20%synergy
Underground River
31%inclusion5 decks16 decks
9%synergy
Sulfurous Springs
31%inclusion5 decks16 decks
8%synergy
Dragonskull Summit
31%inclusion5 decks16 decks
-3%synergy
Tainted Field
28%inclusion5 decks18 decks
15%synergy
Temple of Silence
28%inclusion5 decks18 decks
11%synergy
Caves of Koilos
28%inclusion5 decks18 decks
-1%synergy
Bloodstained Mire
28%inclusion11 decks40 decks
16%synergy
Temple of Deceit
25%inclusion4 decks16 decks
10%synergy
Path of Ancestry
25%inclusion10 decks40 decks
3%synergy
Sunken Hollow
25%inclusion4 decks16 decks
-9%synergy
Smoldering Marsh
25%inclusion4 decks16 decks
-9%synergy
Exotic Orchard
25%inclusion10 decks40 decks
-12%synergy
Blood Crypt
25%inclusion4 decks16 decks
-13%synergy
Marsh Flats
23%inclusion9 decks40 decks
12%synergy
Verdant Catacombs
23%inclusion9 decks40 decks
12%synergy
Orzhov Basilica
22%inclusion4 decks18 decks
8%synergy
Vault of Champions
22%inclusion4 decks18 decks
-2%synergy
Flooded Strand
20%inclusion8 decks40 decks
9%synergy
Darkslick Shores
19%inclusion3 decks16 decks
14%synergy
Clearwater Pathway
19%inclusion3 decks16 decks
11%synergy
Misty Rainforest
18%inclusion7 decks40 decks
6%synergy
Concealed Courtyard
17%inclusion3 decks18 decks
11%synergy
Desolate Mire
17%inclusion3 decks18 decks
10%synergy
Shadowy Backstreet
17%inclusion3 decks18 decks
6%synergy
Shineshadow Snarl
17%inclusion3 decks18 decks
4%synergy
Shattered Sanctum
17%inclusion3 decks18 decks
2%synergy
City of Brass
15%inclusion6 decks40 decks
8%synergy
Arid Mesa
15%inclusion6 decks40 decks
5%synergy
Scalding Tarn
15%inclusion6 decks40 decks
4%synergy
Windswept Heath
13%inclusion5 decks40 decks
1%synergy
Mana Confluence
10%inclusion4 decks40 decks
3%synergy