Mikaeus, the Unhallowed
Altar of Dementia
Carnifex Demon

   Prerequisites

What do I need to start this combo?
All permanents on the battlefield (Carnifex Demon without a +1/+1 counter on it on the battlefield).

   Steps

How does this combo work?
1
Activate Altar of Dementia by sacrificing Carnifex Demon.
2
When Carnifex Demon dies, its undying ability triggers, returning it from your graveyard to the battlefield without a +1/+1 counter on it due to its replacement effect.
3
Resolve the Altar of Dementia ability
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
Auntie Ool, Cursewretch
0.2%inclusion24 decks11.4K decks
The Reaper, King No More
0.2%inclusion6 decks3.66K decks
Top Commanders
Mikaeus, the Unhallowed
1.8%inclusion35 decks1.91K decks
Hapatra, Vizier of Poisons
0.1%inclusion6 decks5.61K decks
The Scorpion God
0.1%inclusion4 decks2.71K decks
Massacre Girl, Known Killer
0.0%inclusion2 decks6.37K decks
Yawgmoth, Thran Physician
0.0%inclusion2 decks6.49K decks
Rakdos, the Muscle
0.0%inclusion1 decks5.78K decks
Sidisi, Undead Vizier
0.1%inclusion1 decks700 decks
Obeka, Splitter of Seconds
0.0%inclusion1 decks19.3K decks
Sidisi, Regent of the Mire
0.2%inclusion1 decks658 decks
Meren of Clan Nel Toth
0.0%inclusion1 decks19.7K decks
Ardyn, the Usurper
0.0%inclusion1 decks2.69K decks
Skeleton Ship
0.1%inclusion1 decks1.10K decks
Muldrotha, the Gravetide
0.0%inclusion1 decks22.2K decks
New Cards
The Reaper, King No More
70%inclusion21 decks30 decks
64%synergy
Dread Tiller
66%inclusion21 decks32 decks
62%synergy
Sinister Gnarlbark
62%inclusion28 decks45 decks
60%synergy
Village Pillagers
58%inclusion18 decks31 decks
56%synergy
Scuzzback Scrounger
52%inclusion15 decks29 decks
50%synergy
High Synergy Cards
Devoted Druid
84%inclusion32 decks38 decks
81%synergy
Hapatra, Vizier of Poisons
79%inclusion30 decks38 decks
78%synergy
The Scorpion God
78%inclusion28 decks36 decks
77%synergy
Channeler Initiate
76%inclusion29 decks38 decks
76%synergy
Flourishing Defenses
71%inclusion27 decks38 decks
70%synergy
Obelisk Spider
71%inclusion27 decks38 decks
70%synergy
Everlasting Torment
69%inclusion25 decks36 decks
68%synergy
Ignoble Hierarch
93%inclusion28 decks30 decks
68%synergy
Yawgmoth, Thran Physician
68%inclusion59 decks87 decks
65%synergy
Phyrexian Altar
67%inclusion58 decks87 decks
63%synergy
Top Cards
Assassin's Trophy
74%inclusion28 decks38 decks
43%synergy
Blood Artist
67%inclusion58 decks87 decks
55%synergy
Murderous Redcap
64%inclusion23 decks36 decks
62%synergy
Ashnod's Altar
62%inclusion54 decks87 decks
56%synergy
Kulrath Knight
58%inclusion21 decks36 decks
57%synergy
Wickerbough Elder
58%inclusion22 decks38 decks
57%synergy
Goblin Bombardment
56%inclusion20 decks36 decks
50%synergy
Nest of Scarabs
55%inclusion48 decks87 decks
54%synergy
Black Sun's Zenith
53%inclusion46 decks87 decks
51%synergy
Viscera Seer
53%inclusion46 decks87 decks
45%synergy
Game Changers
Demonic Tutor
36%inclusion31 decks87 decks
16%synergy
Vampiric Tutor
26%inclusion23 decks87 decks
12%synergy
Worldly Tutor
24%inclusion9 decks38 decks
12%synergy
Bolas's Citadel
15%inclusion13 decks87 decks
7%synergy
Necropotence
10%inclusion9 decks87 decks
5%synergy
Ancient Tomb
8.0%inclusion7 decks87 decks
-1%synergy
Creatures
Zulaport Cutthroat
53%inclusion46 decks87 decks
44%synergy
Quillspike
53%inclusion20 decks38 decks
52%synergy
Grumgully, the Generous
50%inclusion15 decks30 decks
48%synergy
Evolution Sage
50%inclusion19 decks38 decks
44%synergy
Putrid Goblin
47%inclusion41 decks87 decks
46%synergy
Puppeteer Clique
47%inclusion41 decks87 decks
46%synergy
Skinrender
45%inclusion39 decks87 decks
44%synergy
Generous Patron
45%inclusion17 decks38 decks
44%synergy
Birds of Paradise
45%inclusion17 decks38 decks
17%synergy
Necroskitter
44%inclusion38 decks87 decks
43%synergy
Pitiless Plunderer
40%inclusion35 decks87 decks
32%synergy
Gray Merchant of Asphodel
38%inclusion33 decks87 decks
29%synergy
Grim Poppet
36%inclusion31 decks87 decks
36%synergy
Soul Snuffers
36%inclusion31 decks87 decks
35%synergy
Walking Ballista
36%inclusion31 decks87 decks
33%synergy
Ayara, First of Locthwain
36%inclusion31 decks87 decks
32%synergy
Triskelion
34%inclusion30 decks87 decks
34%synergy
Carrion Feeder
34%inclusion30 decks87 decks
30%synergy
Persistent Constrictor
34%inclusion26 decks76 decks
33%synergy
Oft-Nabbed Goat
33%inclusion15 decks45 decks
32%synergy
Massacre Girl, Known Killer
33%inclusion29 decks87 decks
32%synergy
Crypt Ghast
31%inclusion27 decks87 decks
26%synergy
Dawnhand Dissident
29%inclusion13 decks45 decks
28%synergy
Tatterkite
29%inclusion25 decks87 decks
29%synergy
Plague Belcher
29%inclusion25 decks87 decks
28%synergy
Hexing Squelcher
26%inclusion8 decks31 decks
17%synergy
Maha, Its Feathers Night
25%inclusion20 decks80 decks
23%synergy
Lingering Tormentor
24%inclusion21 decks87 decks
24%synergy
Dusk Urchins
24%inclusion21 decks87 decks
24%synergy
Spitting Dilophosaurus
24%inclusion21 decks87 decks
24%synergy
Gravecrawler
24%inclusion21 decks87 decks
20%synergy
Midnight Banshee
23%inclusion20 decks87 decks
22%synergy
Grim Haruspex
23%inclusion20 decks87 decks
20%synergy
Eternal Witness
21%inclusion8 decks38 decks
4%synergy
Auntie Ool, Cursewretch
20%inclusion6 decks30 decks
19%synergy
Soulstinger
20%inclusion17 decks87 decks
19%synergy
Lesser Masticore
20%inclusion17 decks87 decks
19%synergy
Syr Konrad, the Grim
20%inclusion17 decks87 decks
11%synergy
Warren Soultrader
19%inclusion16 decks85 decks
13%synergy
Moonshadow
19%inclusion8 decks43 decks
18%synergy
Rendclaw Trow
18%inclusion7 decks38 decks
18%synergy
Glissa Sunslayer
18%inclusion7 decks38 decks
13%synergy
Bloom Tender
18%inclusion7 decks38 decks
10%synergy
Cinderhaze Wretch
18%inclusion16 decks87 decks
18%synergy
Solemn Simulacrum
18%inclusion16 decks87 decks
6%synergy
Chainbreaker
17%inclusion15 decks87 decks
17%synergy
Wingrattle Scarecrow
17%inclusion15 decks87 decks
17%synergy
Ammit Eternal
17%inclusion15 decks87 decks
17%synergy
Shadow Urchin
17%inclusion5 decks29 decks
16%synergy
Fleshbag Marauder
17%inclusion15 decks87 decks
14%synergy
Instants
Terminate
47%inclusion17 decks36 decks
28%synergy
Dark Ritual
40%inclusion35 decks87 decks
16%synergy
Beast Within
32%inclusion12 decks38 decks
-2%synergy
Abrupt Decay
29%inclusion11 decks38 decks
20%synergy
Putrefy
26%inclusion10 decks38 decks
10%synergy
Heroic Intervention
26%inclusion10 decks38 decks
-4%synergy
Deflecting Swat
25%inclusion9 decks36 decks
8%synergy
Deadly Rollick
22%inclusion19 decks87 decks
8%synergy
Entomb
20%inclusion17 decks87 decks
13%synergy
Village Rites
20%inclusion17 decks87 decks
10%synergy
Deadly Dispute
20%inclusion17 decks87 decks
7%synergy
Atomize
18%inclusion7 decks38 decks
14%synergy
Fire Covenant
17%inclusion6 decks36 decks
14%synergy
Culling the Weak
16%inclusion14 decks87 decks
12%synergy
Grim Affliction
15%inclusion13 decks87 decks
14%synergy
Infernal Grasp
15%inclusion13 decks87 decks
7%synergy
Defile
14%inclusion12 decks87 decks
11%synergy
Malakir Rebirth
13%inclusion11 decks87 decks
4%synergy
Tragic Slip
11%inclusion10 decks87 decks
8%synergy
Fell the Profane
11%inclusion9 decks85 decks
2%synergy
Noxious Revival
11%inclusion4 decks38 decks
6%synergy
Veil of Summer
11%inclusion4 decks38 decks
5%synergy
Withering Torment
11%inclusion8 decks76 decks
3%synergy
Redirect Lightning
10%inclusion3 decks31 decks
3%synergy
Corrupted Conviction
9.2%inclusion8 decks87 decks
5%synergy
First Day of Class
8.3%inclusion3 decks36 decks
8%synergy
Pyroblast
8.3%inclusion3 decks36 decks
3%synergy
Red Elemental Blast
8.3%inclusion3 decks36 decks
2%synergy
Rakdos Charm
8.3%inclusion3 decks36 decks
-7%synergy
Chaos Warp
8.3%inclusion3 decks36 decks
-21%synergy
Sudden Spoiling
8.0%inclusion7 decks87 decks
6%synergy
Saw in Half
8.0%inclusion7 decks87 decks
4%synergy
Cabal Ritual
8.0%inclusion7 decks87 decks
3%synergy
Go for the Throat
8.0%inclusion7 decks87 decks
2%synergy
Hapatra's Mark
7.9%inclusion3 decks38 decks
8%synergy
Force of Vigor
7.9%inclusion3 decks38 decks
5%synergy
Krosan Grip
7.9%inclusion3 decks38 decks
3%synergy
Chord of Calling
7.9%inclusion3 decks38 decks
3%synergy
Nature's Claim
7.9%inclusion3 decks38 decks
1%synergy
Hero's Downfall
6.9%inclusion6 decks87 decks
5%synergy
Snuff Out
5.7%inclusion5 decks87 decks
2%synergy
Sorceries
Nature's Lore
42%inclusion16 decks38 decks
11%synergy
Reanimate
39%inclusion34 decks87 decks
20%synergy
Farseek
37%inclusion14 decks38 decks
1%synergy
Persist
33%inclusion29 decks87 decks
31%synergy
Three Visits
32%inclusion12 decks38 decks
7%synergy
Soul Immolation
31%inclusion9 decks29 decks
30%synergy
Toxic Deluge
28%inclusion24 decks87 decks
10%synergy
Victimize
26%inclusion23 decks87 decks
14%synergy
Aberrant Return
22%inclusion10 decks45 decks
21%synergy
Kodama's Reach
21%inclusion8 decks38 decks
-6%synergy
Diabolic Intent
21%inclusion18 decks87 decks
13%synergy
Feed the Swarm
20%inclusion17 decks87 decks
4%synergy
Damnation
17%inclusion15 decks87 decks
11%synergy
Blasphemous Act
17%inclusion6 decks36 decks
-17%synergy
Rampant Growth
16%inclusion6 decks38 decks
-17%synergy
Cultivate
16%inclusion6 decks38 decks
-27%synergy
Night's Whisper
15%inclusion13 decks87 decks
6%synergy
Incremental Blight
14%inclusion12 decks87 decks
13%synergy
Exsanguinate
14%inclusion12 decks87 decks
7%synergy
Eventide's Shadow
13%inclusion6 decks45 decks
12%synergy
Burning Curiosity
13%inclusion4 decks31 decks
12%synergy
Torment of Hailfire
13%inclusion11 decks87 decks
9%synergy
Sign in Blood
13%inclusion11 decks87 decks
4%synergy
Living Death
11%inclusion10 decks87 decks
6%synergy
Darkness Descends
11%inclusion5 decks44 decks
11%synergy
Bubbling Muck
10%inclusion9 decks87 decks
9%synergy
Buried Alive
10%inclusion9 decks87 decks
4%synergy
Mutilate
9.2%inclusion8 decks87 decks
8%synergy
Grim Tutor
9.2%inclusion8 decks87 decks
5%synergy
Chain Reaction
8.3%inclusion3 decks36 decks
4%synergy
Blasphemous Edict
8.1%inclusion6 decks74 decks
2%synergy
Diabolic Tutor
8.0%inclusion7 decks87 decks
3%synergy
Read the Bones
8.0%inclusion7 decks87 decks
2%synergy
Triumph of the Hordes
7.9%inclusion3 decks38 decks
5%synergy
Eldritch Evolution
7.9%inclusion3 decks38 decks
4%synergy
Agadeem's Awakening
6.9%inclusion6 decks87 decks
4%synergy
Rise of the Dark Realms
6.9%inclusion6 decks87 decks
2%synergy
Decree of Pain
5.7%inclusion5 decks87 decks
3%synergy
Unearth
5.7%inclusion5 decks87 decks
3%synergy
Utility Artifacts
Skullclamp
37%inclusion32 decks87 decks
26%synergy
Jet Medallion
33%inclusion29 decks87 decks
30%synergy
Blasting Station
32%inclusion28 decks87 decks
32%synergy
Lightning Greaves
31%inclusion27 decks87 decks
6%synergy
Cauldron of Souls
29%inclusion25 decks87 decks
28%synergy
Swiftfoot Boots
23%inclusion20 decks87 decks
-4%synergy
Contagion Engine
22%inclusion19 decks87 decks
21%synergy
Contagion Clasp
21%inclusion18 decks87 decks
20%synergy
Bontu's Monument
15%inclusion13 decks87 decks
13%synergy
Altar of the Brood
10%inclusion9 decks87 decks
9%synergy
The Darkness Crystal
9.4%inclusion6 decks64 decks
6%synergy
The Great Henge
7.9%inclusion3 decks38 decks
-2%synergy
The Ozolith
6.9%inclusion6 decks87 decks
3%synergy
Sensei's Divining Top
6.9%inclusion6 decks87 decks
2%synergy
Wishclaw Talisman
5.7%inclusion5 decks87 decks
1%synergy
Enchantments
Blowfly Infestation
52%inclusion45 decks87 decks
51%synergy
Rhythm of the Wild
50%inclusion15 decks30 decks
28%synergy
All Will Be One
42%inclusion15 decks36 decks
39%synergy
Bastion of Remembrance
38%inclusion33 decks87 decks
31%synergy
Grave Venerations
31%inclusion14 decks45 decks
29%synergy
The Meathook Massacre
29%inclusion25 decks87 decks
24%synergy
Black Market
28%inclusion24 decks87 decks
23%synergy
Phyrexian Arena
28%inclusion24 decks87 decks
12%synergy
Retribution of the Ancients
26%inclusion23 decks87 decks
26%synergy
Grave Pact
26%inclusion23 decks87 decks
22%synergy
Crumbling Ashes
23%inclusion20 decks87 decks
23%synergy
Animate Dead
20%inclusion17 decks87 decks
11%synergy
Dictate of Erebos
18%inclusion16 decks87 decks
15%synergy
Doubling Season
13%inclusion5 decks38 decks
3%synergy
Phyrexian Reclamation
11%inclusion10 decks87 decks
8%synergy
Parallel Lives
11%inclusion4 decks38 decks
4%synergy
Attrition
10%inclusion9 decks87 decks
10%synergy
Puca's Covenant
9.4%inclusion3 decks32 decks
8%synergy
Thran Vigil
9.2%inclusion8 decks87 decks
9%synergy
The Sibsig Ceremony
8.8%inclusion6 decks68 decks
9%synergy
Hollowmurk Siege
8.8%inclusion3 decks34 decks
6%synergy
Impact Tremors
8.3%inclusion3 decks36 decks
-1%synergy
Sylvan Library
7.9%inclusion3 decks38 decks
-1%synergy
Funeral Room // Awakening Hall
7.8%inclusion6 decks77 decks
6%synergy
Open the Graves
6.9%inclusion6 decks87 decks
6%synergy
Heartless Summoning
6.9%inclusion6 decks87 decks
6%synergy
Revel in Riches
6.9%inclusion6 decks87 decks
4%synergy
Glistening Oil
5.7%inclusion5 decks87 decks
5%synergy
Necromancy
5.7%inclusion5 decks87 decks
3%synergy
Black Market Connections
5.7%inclusion5 decks87 decks
-6%synergy
Planeswalkers
Vraska, Betrayal's Sting
13%inclusion11 decks87 decks
10%synergy
Liliana, Dreadhorde General
6.9%inclusion6 decks87 decks
3%synergy
Liliana of the Dark Realms
5.7%inclusion5 decks87 decks
4%synergy
Utility Lands
Cabal Coffers
47%inclusion41 decks87 decks
38%synergy
Urborg, Tomb of Yawgmoth
43%inclusion37 decks87 decks
34%synergy
Phyrexian Tower
38%inclusion33 decks87 decks
29%synergy
Bojuka Bog
33%inclusion29 decks87 decks
4%synergy
Nesting Grounds
30%inclusion26 decks87 decks
28%synergy
Boseiju, Who Endures
26%inclusion10 decks38 decks
8%synergy
Cabal Stronghold
24%inclusion21 decks87 decks
21%synergy
Reliquary Tower
23%inclusion20 decks87 decks
-7%synergy
Nykthos, Shrine to Nyx
22%inclusion19 decks87 decks
17%synergy
Takenuma, Abandoned Mire
18%inclusion16 decks87 decks
10%synergy
Witch's Cottage
16%inclusion14 decks87 decks
13%synergy
Yavimaya, Cradle of Growth
16%inclusion14 decks87 decks
7%synergy
Castle Locthwain
13%inclusion11 decks87 decks
9%synergy
Karn's Bastion
13%inclusion11 decks87 decks
8%synergy
Shifting Woodland
11%inclusion4 decks38 decks
4%synergy
Ifnir Deadlands
10%inclusion9 decks87 decks
10%synergy
War Room
9.2%inclusion8 decks87 decks
3%synergy
Susur Secundi, Void Altar
8.9%inclusion5 decks56 decks
6%synergy
Lavaclaw Reaches
8.3%inclusion3 decks36 decks
7%synergy
Barren Moor
8.0%inclusion7 decks87 decks
5%synergy
Command Beacon
8.0%inclusion7 decks87 decks
3%synergy
Rogue's Passage
8.0%inclusion7 decks87 decks
-12%synergy
Crypt of Agadeem
6.9%inclusion6 decks87 decks
5%synergy
Grasping Dunes
5.7%inclusion5 decks87 decks
6%synergy
Vesuva
5.7%inclusion5 decks87 decks
4%synergy
Thespian's Stage
5.7%inclusion5 decks87 decks
3%synergy
Shizo, Death's Storehouse
5.7%inclusion5 decks87 decks
1%synergy
Mana Artifacts
Sol Ring
91%inclusion79 decks87 decks
7%synergy
Arcane Signet
72%inclusion63 decks87 decks
0%synergy
Talisman of Indulgence
33%inclusion12 decks36 decks
6%synergy
Talisman of Resilience
32%inclusion12 decks38 decks
19%synergy
Talisman of Impulse
17%inclusion5 decks30 decks
6%synergy
Rakdos Signet
17%inclusion6 decks36 decks
-8%synergy
Mind Stone
16%inclusion14 decks87 decks
2%synergy
Fellwar Stone
16%inclusion14 decks87 decks
-4%synergy
Wickersmith's Tools
16%inclusion7 decks45 decks
15%synergy
The Soul Stone
11%inclusion6 decks56 decks
7%synergy
Thought Vessel
10%inclusion9 decks87 decks
-7%synergy
Charcoal Diamond
8.0%inclusion7 decks87 decks
4%synergy
Golgari Signet
7.9%inclusion3 decks38 decks
-2%synergy
Crowded Crypt
6.9%inclusion6 decks87 decks
5%synergy
Caged Sun
5.7%inclusion5 decks87 decks
4%synergy
Commander's Sphere
5.7%inclusion5 decks87 decks
-6%synergy
Lands
Overgrown Tomb
82%inclusion31 decks38 decks
40%synergy
Blood Crypt
69%inclusion25 decks36 decks
31%synergy
Stomping Ground
63%inclusion19 decks30 decks
22%synergy
Woodland Cemetery
63%inclusion24 decks38 decks
31%synergy
Dragonskull Summit
61%inclusion22 decks36 decks
26%synergy
Smoldering Marsh
58%inclusion21 decks36 decks
25%synergy
Cinder Glade
50%inclusion15 decks30 decks
12%synergy
Command Tower
49%inclusion43 decks87 decks
-25%synergy
Rootbound Crag
47%inclusion14 decks30 decks
18%synergy
Undergrowth Stadium
45%inclusion17 decks38 decks
21%synergy
Ziatora's Proving Ground
43%inclusion13 decks30 decks
17%synergy
Vernal Fen
42%inclusion14 decks33 decks
33%synergy
Llanowar Wastes
34%inclusion13 decks38 decks
7%synergy
Luxury Suite
33%inclusion12 decks36 decks
9%synergy
Spire Garden
30%inclusion9 decks30 decks
8%synergy
Sulfurous Springs
28%inclusion10 decks36 decks
4%synergy
Savage Lands
27%inclusion8 decks30 decks
5%synergy
Verdant Catacombs
24%inclusion21 decks87 decks
13%synergy
Exotic Orchard
24%inclusion21 decks87 decks
-12%synergy
Deathcap Glade
24%inclusion9 decks38 decks
11%synergy
Twilight Mire
24%inclusion9 decks38 decks
10%synergy
Bloodstained Mire
22%inclusion19 decks87 decks
11%synergy
Nurturing Peatland
21%inclusion8 decks38 decks
16%synergy
Karplusan Forest
20%inclusion6 decks30 decks
0%synergy
Wooded Foothills
20%inclusion17 decks87 decks
9%synergy
Rakdos Carnarium
19%inclusion7 decks36 decks
7%synergy
Underground Mortuary
18%inclusion7 decks38 decks
6%synergy
Thornspire Verge
17%inclusion5 decks30 decks
8%synergy
Haunted Ridge
17%inclusion6 decks36 decks
0%synergy
Golgari Rot Farm
16%inclusion6 decks38 decks
-1%synergy
Wastewood Verge
15%inclusion5 decks34 decks
7%synergy
Blazemire Verge
14%inclusion5 decks35 decks
3%synergy
Raucous Theater
14%inclusion5 decks36 decks
4%synergy
Tainted Peak
14%inclusion5 decks36 decks
3%synergy
Cragcrown Pathway
13%inclusion4 decks30 decks
6%synergy
Commercial District
13%inclusion4 decks30 decks
4%synergy
Rockfall Vale
13%inclusion4 decks30 decks
-8%synergy
Blightstep Pathway
11%inclusion4 decks36 decks
3%synergy
Canyon Slough
11%inclusion4 decks36 decks
3%synergy
Graven Cairns
11%inclusion4 decks36 decks
1%synergy
Shadowblood Ridge
11%inclusion4 decks36 decks
-2%synergy
Badlands
11%inclusion4 decks36 decks
-2%synergy
Foreboding Ruins
11%inclusion4 decks36 decks
-4%synergy
Blooming Marsh
11%inclusion4 decks38 decks
6%synergy
Darkbore Pathway
11%inclusion4 decks38 decks
4%synergy
Bayou
11%inclusion4 decks38 decks
-3%synergy
Tainted Wood
11%inclusion4 decks38 decks
-3%synergy
Fabled Passage
10%inclusion9 decks87 decks
1%synergy
Marsh Flats
10%inclusion9 decks87 decks
0%synergy
Gruul Turf
10%inclusion3 decks30 decks
-4%synergy