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 decks842 decks
Shadowheart, Dark Justiciar // Haunted One
0.3%inclusion2 decks623 decks
Teysa Karlov
0.0%inclusion2 decks18.6K decks
Silvar, Devourer of the Free // Trynn, Champion of Freedom
0.0%inclusion2 decks4.30K decks
Meren of Clan Nel Toth
0.0%inclusion2 decks19K decks
Varina, Lich Queen
0.0%inclusion2 decks10.2K decks
Zellix, Sanity Flayer // Scion of Halaster
0.3%inclusion1 decks371 decks
Captain N'ghathrod
0.0%inclusion1 decks15.7K decks
Mikaeus, the Unhallowed
0.1%inclusion1 decks1.80K decks
Vito, Thorn of the Dusk Rose
0.0%inclusion1 decks3.94K decks
Wilhelt, the Rotcleaver
0.0%inclusion1 decks20.6K decks
Muldrotha, the Gravetide
0.0%inclusion1 decks21.3K decks
Henry Wu, InGen Geneticist
0.1%inclusion1 decks1.56K decks
Zur the Enchanter
0.0%inclusion1 decks13.7K decks
Phenax, God of Deception
0.0%inclusion1 decks7.93K decks
Ludevic, Necro-Alchemist // Reyhan, Last of the Abzan
0.9%inclusion1 decks113 decks
Kamiz, Obscura Oculus
0.0%inclusion1 decks3.72K decks
Karador, Ghost Chieftain
0.0%inclusion1 decks6.14K decks
New Cards
Bitterbloom Bearer
25%inclusion1 decks4 decks
24%synergy
High Synergy Cards
Goblin Bombardment
73%inclusion8 decks11 decks
67%synergy
Ashnod's Altar
63%inclusion27 decks43 decks
56%synergy
Arcane Adaptation
56%inclusion10 decks18 decks
55%synergy
Leyline of Transformation
50%inclusion4 decks8 decks
49%synergy
Phyrexian Altar
47%inclusion20 decks43 decks
43%synergy
Zulaport Cutthroat
49%inclusion21 decks43 decks
40%synergy
Bastion of Remembrance
47%inclusion20 decks43 decks
40%synergy
Viscera Seer
42%inclusion18 decks43 decks
34%synergy
Artificial Evolution
33%inclusion6 decks18 decks
33%synergy
Blood Artist
44%inclusion19 decks43 decks
33%synergy
Top Cards
Swords to Plowshares
72%inclusion13 decks18 decks
11%synergy
Eternal Witness
50%inclusion4 decks8 decks
32%synergy
Arcane Denial
39%inclusion7 decks18 decks
19%synergy
An Offer You Can't Refuse
39%inclusion7 decks18 decks
15%synergy
Pitiless Plunderer
37%inclusion16 decks43 decks
29%synergy
Impact Tremors
36%inclusion4 decks11 decks
26%synergy
Blasphemous Act
36%inclusion4 decks11 decks
3%synergy
Swan Song
33%inclusion6 decks18 decks
16%synergy
Esper Sentinel
33%inclusion6 decks18 decks
14%synergy
Counterspell
33%inclusion6 decks18 decks
-9%synergy
Game Changers
Smothering Tithe
44%inclusion8 decks18 decks
23%synergy
Enlightened Tutor
39%inclusion7 decks18 decks
23%synergy
Rhystic Study
39%inclusion7 decks18 decks
14%synergy
Cyclonic Rift
33%inclusion6 decks18 decks
10%synergy
Demonic Tutor
28%inclusion12 decks43 decks
8%synergy
Fierce Guardianship
22%inclusion4 decks18 decks
4%synergy
Force of Will
17%inclusion3 decks18 decks
6%synergy
Mystical Tutor
17%inclusion3 decks18 decks
4%synergy
Bolas's Citadel
12%inclusion5 decks43 decks
3%synergy
Imperial Seal
9.3%inclusion4 decks43 decks
4%synergy
Creatures
Melira, Sylvok Outcast
38%inclusion3 decks8 decks
37%synergy
Spore Frog
38%inclusion3 decks8 decks
35%synergy
Elves of Deep Shadow
38%inclusion3 decks8 decks
29%synergy
Sakura-Tribe Elder
38%inclusion3 decks8 decks
21%synergy
Birds of Paradise
38%inclusion3 decks8 decks
10%synergy
Rotlung Reanimator
33%inclusion14 decks43 decks
32%synergy
Syr Konrad, the Grim
33%inclusion14 decks43 decks
24%synergy
Carrion Feeder
26%inclusion11 decks43 decks
21%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
Gisa and Geralf
22%inclusion4 decks18 decks
21%synergy
Luminous Broodmoth
22%inclusion4 decks18 decks
20%synergy
Recruiter of the Guard
22%inclusion4 decks18 decks
19%synergy
Diregraf Captain
22%inclusion4 decks18 decks
19%synergy
Teysa Karlov
22%inclusion4 decks18 decks
18%synergy
Cruel Celebrant
22%inclusion4 decks18 decks
15%synergy
Sun Titan
22%inclusion4 decks18 decks
14%synergy
Grand Abolisher
22%inclusion4 decks18 decks
13%synergy
Elas il-Kor, Sadistic Pilgrim
22%inclusion4 decks18 decks
12%synergy
Plaguecrafter
21%inclusion9 decks43 decks
16%synergy
Kambal, Profiteering Mayor
20%inclusion3 decks15 decks
14%synergy
Morbid Opportunist
19%inclusion8 decks43 decks
11%synergy
Gray Merchant of Asphodel
19%inclusion8 decks43 decks
10%synergy
Geralf, Visionary Stitcher
17%inclusion3 decks18 decks
16%synergy
Bishop of Wings
17%inclusion3 decks18 decks
16%synergy
Jace's Archivist
17%inclusion3 decks18 decks
15%synergy
Ratadrabik of Urborg
17%inclusion3 decks18 decks
14%synergy
Karmic Guide
17%inclusion3 decks18 decks
13%synergy
Mangara, the Diplomat
17%inclusion3 decks18 decks
12%synergy
Corpse Knight
17%inclusion3 decks18 decks
11%synergy
Priest of Forgotten Gods
16%inclusion7 decks43 decks
14%synergy
Grim Haruspex
16%inclusion7 decks43 decks
13%synergy
Gravecrawler
16%inclusion7 decks43 decks
13%synergy
Species Specialist
14%inclusion6 decks43 decks
13%synergy
Woe Strider
14%inclusion6 decks43 decks
12%synergy
Ayara, First of Locthwain
14%inclusion6 decks43 decks
11%synergy
Mirkwood Bats
14%inclusion6 decks43 decks
5%synergy
Solemn Simulacrum
14%inclusion6 decks43 decks
1%synergy
Warren Soultrader
13%inclusion4 decks30 decks
8%synergy
Whisper, Blood Liturgist
12%inclusion5 decks43 decks
11%synergy
Dimir House Guard
12%inclusion5 decks43 decks
11%synergy
Bloodsoaked Champion
12%inclusion5 decks43 decks
11%synergy
Ghoulcaller Gisa
12%inclusion5 decks43 decks
10%synergy
Demon's Disciple
12%inclusion5 decks43 decks
10%synergy
Jadar, Ghoulcaller of Nephalia
12%inclusion5 decks43 decks
9%synergy
Butcher of Malakir
12%inclusion5 decks43 decks
9%synergy
Yawgmoth, Thran Physician
12%inclusion5 decks43 decks
8%synergy
Reassembling Skeleton
12%inclusion5 decks43 decks
8%synergy
Sling-Gang Lieutenant
9.3%inclusion4 decks43 decks
9%synergy
Instants
Dark Ritual
33%inclusion14 decks43 decks
8%synergy
Mana Drain
28%inclusion5 decks18 decks
13%synergy
Path to Exile
28%inclusion5 decks18 decks
-19%synergy
Pyroblast
27%inclusion3 decks11 decks
21%synergy
Chaos Warp
27%inclusion3 decks11 decks
-3%synergy
Muddle the Mixture
22%inclusion4 decks18 decks
18%synergy
Vampiric Tutor
19%inclusion8 decks43 decks
3%synergy
Silence
17%inclusion3 decks18 decks
10%synergy
Pact of Negation
17%inclusion3 decks18 decks
10%synergy
Force of Negation
17%inclusion3 decks18 decks
8%synergy
Akroma's Will
17%inclusion3 decks18 decks
7%synergy
Stroke of Midnight
17%inclusion3 decks18 decks
6%synergy
Pongify
17%inclusion3 decks18 decks
5%synergy
Despark
17%inclusion3 decks18 decks
3%synergy
Brainstorm
17%inclusion3 decks18 decks
-2%synergy
Negate
17%inclusion3 decks18 decks
-5%synergy
Anguished Unmaking
17%inclusion3 decks18 decks
-8%synergy
Malakir Rebirth
16%inclusion7 decks43 decks
8%synergy
Withering Torment
15%inclusion3 decks20 decks
7%synergy
Entomb
14%inclusion6 decks43 decks
7%synergy
Village Rites
14%inclusion6 decks43 decks
5%synergy
Deadly Dispute
12%inclusion5 decks43 decks
0%synergy
Fell the Profane
10%inclusion3 decks30 decks
1%synergy
Hagra Mauling
9.3%inclusion4 decks43 decks
8%synergy
Deadly Rollick
9.3%inclusion4 decks43 decks
-4%synergy
Costly Plunder
7.0%inclusion3 decks43 decks
6%synergy
Plumb the Forbidden
7.0%inclusion3 decks43 decks
4%synergy
Snuff Out
7.0%inclusion3 decks43 decks
4%synergy
Corrupted Conviction
7.0%inclusion3 decks43 decks
2%synergy
Cabal Ritual
7.0%inclusion3 decks43 decks
2%synergy
Go for the Throat
7.0%inclusion3 decks43 decks
0%synergy
Sorceries
Feed the Swarm
33%inclusion14 decks43 decks
16%synergy
Victimize
30%inclusion13 decks43 decks
18%synergy
Reanimate
30%inclusion13 decks43 decks
12%synergy
Diabolic Intent
23%inclusion10 decks43 decks
15%synergy
Toxic Deluge
23%inclusion10 decks43 decks
5%synergy
Grim Tutor
19%inclusion8 decks43 decks
14%synergy
Diabolic Tutor
19%inclusion8 decks43 decks
13%synergy
Sign in Blood
19%inclusion8 decks43 decks
10%synergy
Preordain
17%inclusion3 decks18 decks
7%synergy
Ponder
17%inclusion3 decks18 decks
5%synergy
Blasphemous Edict
15%inclusion3 decks20 decks
9%synergy
Buried Alive
14%inclusion6 decks43 decks
8%synergy
Bone Shards
12%inclusion5 decks43 decks
10%synergy
Agadeem's Awakening
12%inclusion5 decks43 decks
9%synergy
Beseech the Mirror
12%inclusion5 decks43 decks
8%synergy
Living Death
12%inclusion5 decks43 decks
6%synergy
Read the Bones
12%inclusion5 decks43 decks
5%synergy
Damnation
12%inclusion5 decks43 decks
5%synergy
Dimir Machinations
9.3%inclusion4 decks43 decks
9%synergy
Profane Tutor
9.3%inclusion4 decks43 decks
7%synergy
Torment of Hailfire
9.3%inclusion4 decks43 decks
5%synergy
Dread Summons
7.0%inclusion3 decks43 decks
6%synergy
Final Parting
7.0%inclusion3 decks43 decks
6%synergy
Scheming Symmetry
7.0%inclusion3 decks43 decks
5%synergy
Crippling Fear
7.0%inclusion3 decks43 decks
5%synergy
Persist
7.0%inclusion3 decks43 decks
5%synergy
Unmarked Grave
7.0%inclusion3 decks43 decks
5%synergy
Rise of the Dark Realms
7.0%inclusion3 decks43 decks
2%synergy
Dread Return
7.0%inclusion3 decks43 decks
2%synergy
Exsanguinate
7.0%inclusion3 decks43 decks
0%synergy
Night's Whisper
7.0%inclusion3 decks43 decks
-2%synergy
Utility Artifacts
Skullclamp
30%inclusion13 decks43 decks
19%synergy
Blasting Station
19%inclusion8 decks43 decks
18%synergy
Altar of the Brood
16%inclusion7 decks43 decks
15%synergy
Bontu's Monument
16%inclusion7 decks43 decks
14%synergy
Lightning Greaves
16%inclusion7 decks43 decks
-9%synergy
Swiftfoot Boots
16%inclusion7 decks43 decks
-11%synergy
Mindcrank
12%inclusion5 decks43 decks
10%synergy
Jet Medallion
12%inclusion5 decks43 decks
8%synergy
Wishclaw Talisman
12%inclusion5 decks43 decks
6%synergy
Desecrated Tomb
7.0%inclusion3 decks43 decks
7%synergy
Nim Deathmantle
7.0%inclusion3 decks43 decks
6%synergy
Mesmeric Orb
7.0%inclusion3 decks43 decks
6%synergy
Thousand-Year Elixir
7.0%inclusion3 decks43 decks
5%synergy
Wayfarer's Bauble
7.0%inclusion3 decks43 decks
-1%synergy
Enchantments
Conspiracy
28%inclusion12 decks43 decks
27%synergy
Xenograft
28%inclusion5 decks18 decks
28%synergy
Molten Echoes
27%inclusion3 decks11 decks
26%synergy
Phyrexian Arena
23%inclusion10 decks43 decks
8%synergy
Rooftop Storm
22%inclusion4 decks18 decks
21%synergy
Mystic Remora
22%inclusion4 decks18 decks
6%synergy
Dictate of Erebos
21%inclusion9 decks43 decks
18%synergy
Black Market
21%inclusion9 decks43 decks
17%synergy
The Meathook Massacre
19%inclusion8 decks43 decks
13%synergy
Black Market Connections
19%inclusion8 decks43 decks
7%synergy
Anointed Procession
17%inclusion3 decks18 decks
9%synergy
Ghostly Prison
17%inclusion3 decks18 decks
5%synergy
Grave Pact
16%inclusion7 decks43 decks
12%synergy
Animate Dead
14%inclusion6 decks43 decks
5%synergy
Phyrexian Reclamation
12%inclusion5 decks43 decks
8%synergy
Agent of the Iron Throne
9.3%inclusion4 decks43 decks
8%synergy
Bitterblossom
9.3%inclusion4 decks43 decks
5%synergy
Sanguine Bond
9.3%inclusion4 decks43 decks
4%synergy
Retribution of the Ancients
7.0%inclusion3 decks43 decks
6%synergy
Blight Mound
7.0%inclusion3 decks43 decks
6%synergy
Liliana's Contract
7.0%inclusion3 decks43 decks
6%synergy
Open the Graves
7.0%inclusion3 decks43 decks
6%synergy
Endless Ranks of the Dead
7.0%inclusion3 decks43 decks
5%synergy
Dreadhorde Invasion
7.0%inclusion3 decks43 decks
5%synergy
Exquisite Blood
7.0%inclusion3 decks43 decks
2%synergy
Planeswalkers
Liliana, Dreadhorde General
23%inclusion10 decks43 decks
20%synergy
Utility Lands
Bojuka Bog
42%inclusion18 decks43 decks
12%synergy
Urborg, Tomb of Yawgmoth
30%inclusion13 decks43 decks
21%synergy
Cabal Coffers
26%inclusion11 decks43 decks
16%synergy
Reliquary Tower
23%inclusion10 decks43 decks
-7%synergy
Otawara, Soaring City
22%inclusion4 decks18 decks
6%synergy
Castle Ardenvale
17%inclusion3 decks18 decks
12%synergy
Phyrexian Tower
16%inclusion7 decks43 decks
7%synergy
Westvale Abbey
14%inclusion6 decks43 decks
12%synergy
Castle Locthwain
14%inclusion6 decks43 decks
10%synergy
High Market
12%inclusion5 decks43 decks
9%synergy
Witch's Cottage
12%inclusion5 decks43 decks
8%synergy
Temple of the False God
12%inclusion5 decks43 decks
2%synergy
Rogue's Passage
12%inclusion5 decks43 decks
-9%synergy
Three Tree City
11%inclusion3 decks28 decks
6%synergy
Nykthos, Shrine to Nyx
9.3%inclusion4 decks43 decks
4%synergy
Takenuma, Abandoned Mire
9.3%inclusion4 decks43 decks
0%synergy
Ancient Tomb
9.3%inclusion4 decks43 decks
0%synergy
Crypt of Agadeem
7.0%inclusion3 decks43 decks
5%synergy
Barad-dûr
7.0%inclusion3 decks43 decks
5%synergy
Command Beacon
7.0%inclusion3 decks43 decks
2%synergy
War Room
7.0%inclusion3 decks43 decks
1%synergy
Urza's Saga
7.0%inclusion3 decks43 decks
0%synergy
Mana Artifacts
Sol Ring
84%inclusion36 decks43 decks
0%synergy
Arcane Signet
63%inclusion27 decks43 decks
-9%synergy
Orzhov Signet
44%inclusion8 decks18 decks
20%synergy
Dimir Signet
44%inclusion8 decks18 decks
19%synergy
Talisman of Dominance
39%inclusion7 decks18 decks
6%synergy
Talisman of Hierarchy
28%inclusion5 decks18 decks
2%synergy
Fellwar Stone
26%inclusion11 decks43 decks
5%synergy
Mind Stone
19%inclusion8 decks43 decks
3%synergy
Thought Vessel
14%inclusion6 decks43 decks
-4%synergy
Commander's Sphere
12%inclusion5 decks43 decks
-1%synergy
Crowded Crypt
7.0%inclusion3 decks43 decks
6%synergy
Mana Crypt
7.0%inclusion3 decks43 decks
4%synergy
Mana Vault
7.0%inclusion3 decks43 decks
1%synergy
Chromatic Lantern
7.0%inclusion3 decks43 decks
-2%synergy
Lands
Zagoth Triome
75%inclusion3 decks4 decks
47%synergy
Overgrown Tomb
75%inclusion6 decks8 decks
35%synergy
Watery Grave
72%inclusion13 decks18 decks
31%synergy
Tundra
67%inclusion4 decks6 decks
53%synergy
Command Tower
63%inclusion27 decks43 decks
-11%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
10%synergy
Godless Shrine
50%inclusion9 decks18 decks
9%synergy
Underground Sea
44%inclusion8 decks18 decks
30%synergy
Shipwreck Marsh
44%inclusion8 decks18 decks
26%synergy
Morphic Pool
44%inclusion8 decks18 decks
20%synergy
Drowned Catacomb
44%inclusion8 decks18 decks
16%synergy
Scrubland
39%inclusion7 decks18 decks
25%synergy
Caves of Koilos
39%inclusion7 decks18 decks
10%synergy
Polluted Delta
37%inclusion16 decks43 decks
25%synergy
Orzhov Basilica
28%inclusion5 decks18 decks
13%synergy
Underground River
28%inclusion5 decks18 decks
5%synergy
Isolated Chapel
28%inclusion5 decks18 decks
-5%synergy
Sulfurous Springs
27%inclusion3 decks11 decks
4%synergy
Blood Crypt
27%inclusion3 decks11 decks
-10%synergy
Verdant Catacombs
26%inclusion11 decks43 decks
15%synergy
Marsh Flats
23%inclusion10 decks43 decks
13%synergy
Bloodstained Mire
23%inclusion10 decks43 decks
12%synergy
Path of Ancestry
23%inclusion10 decks43 decks
1%synergy
Tainted Field
22%inclusion4 decks18 decks
9%synergy
Temple of Silence
22%inclusion4 decks18 decks
4%synergy
Sunken Hollow
22%inclusion4 decks18 decks
-12%synergy
Desolate Mire
20%inclusion3 decks15 decks
14%synergy
Misty Rainforest
19%inclusion8 decks43 decks
7%synergy
Exotic Orchard
19%inclusion8 decks43 decks
-18%synergy
Darkslick Shores
17%inclusion3 decks18 decks
12%synergy
Clearwater Pathway
17%inclusion3 decks18 decks
9%synergy
Tainted Isle
17%inclusion3 decks18 decks
6%synergy
Shineshadow Snarl
17%inclusion3 decks18 decks
4%synergy
Temple of Deceit
17%inclusion3 decks18 decks
2%synergy
Vault of Champions
17%inclusion3 decks18 decks
-8%synergy
Flooded Strand
16%inclusion7 decks43 decks
5%synergy
Terramorphic Expanse
16%inclusion7 decks43 decks
1%synergy
Myriad Landscape
16%inclusion7 decks43 decks
0%synergy
Evolving Wilds
16%inclusion7 decks43 decks
-5%synergy
Fabled Passage
14%inclusion6 decks43 decks
5%synergy
City of Brass
12%inclusion5 decks43 decks
4%synergy
Arid Mesa
12%inclusion5 decks43 decks
1%synergy
Scalding Tarn
12%inclusion5 decks43 decks
1%synergy
Prismatic Vista
9.3%inclusion4 decks43 decks
4%synergy
Reflecting Pool
9.3%inclusion4 decks43 decks
4%synergy
Wooded Foothills
9.3%inclusion4 decks43 decks
-1%synergy
Windswept Heath
9.3%inclusion4 decks43 decks
-2%synergy