Pitiless Plunderer
Eternal Witness
Mitotic Slime
Nethroi, Apex of Death
Altar of Dementia

   Prerequisites

What do I need to start this combo?
Nethroi in hand or in the command zone.
Pitiless Plunderer and Altar of Dementia on the battlefield.
Eternal Witness and Mitotic Slime in your graveyard.
You control at least one non-Human creature.
4gw plus enough mana to pay for commander tax, if applicable available

   Steps

How does this combo work?
1
Cast Nethroi either from your hand or from the command zone for its mutate cost by paying 4gw plus commander tax, if applicable, putting it on top of a non-Human creature you control.
2
When Nethroi enters the battlefield, it triggers.
3
Holding priority, activate Altar of Dementia by sacrificing Nethroi.
4
When Nethroi dies, Pitiless Plunderer triggers, creating a Treasure artifact token.
5
Resolve the Altar of Dementia ability, causing target player to mill cards equal to Nethroi's power.
6
Resolve the Nethroi trigger from step 2, returning Eternal Witness and Mitotic Slime from your graveyard to the battlefield.
7
When Eternal Witness enters the battlefield, it triggers, returning Nethroi from your graveyard to your hand.
8
Activate Altar of Dementia twice by sacrificing Eternal Witness and Mitotic Slime.
9
When Eternal Witness and Mitotic Slime die, Pitiless Plunderer triggers twice and Mitotic Slime triggers once.
10
Resolve both Pitiless Plunderer triggers, creating two Treasure artifact tokens.
11
Resolve the Mitotic Slime trigger, creating two 2/2 Ooze creature tokens.
12
Resolve both Altar of Dementia abilities, causing target player to mill cards equal to Eternal Witness and Mitotic Slime's combined power.
13
Activate Altar of Dementia twice by sacrificing two Oozes.
14
When the Oozes die, they each trigger and Pitiless Plunderer triggers twice.
15
Resolve both Pitiless Plunderer triggers, creating two Treasure artifact tokens.
16
Resolve both Ooze triggers, creating four 1/1 Ooze creature tokens.
17
Resolve both Altar of Dementia abilities, causing target player to mill cards equal to the Ooze's combined power.
18
Activate Altar of Dementia twice by sacrificing two Oozes.
19
When the Oozes die, Pitiless Plunderer triggers twice, creating two Treasure artifact tokens.
20
Resolve both Altar of Dementia abilities, causing target player to mill cards equal to the Ooze's combined power.
21
Activate the seven Treasures by tapping and sacrificing them, adding 4gw.
22
Repeat.

   Results

What do I get from this combo?
Infinite colored mana
Infinite creature tokens
Infinite death triggers
Infinite ETB
Infinite LTB
Infinite mill
Infinite sacrifice triggers
Infinite self-mill
Infinite storm count
Infinite Treasure tokens
Nethroi, Apex of Death
0.0%inclusion3 decks6.63K decks
Creatures
Scourge of the Skyclaves
100%inclusion3 decks3 decks
99%synergy
Syr Konrad, the Grim
100%inclusion3 decks3 decks
95%synergy
Viscera Seer
100%inclusion3 decks3 decks
89%synergy
Voice of Victory
100%inclusion2 decks2 decks
95%synergy
Archivist of Oghma
67%inclusion2 decks3 decks
63%synergy
Carrion Feeder
67%inclusion2 decks3 decks
59%synergy
Dauthi Voidwalker
67%inclusion2 decks3 decks
63%synergy
Fauna Shaman
67%inclusion2 decks3 decks
63%synergy
Protean Hulk
67%inclusion2 decks3 decks
63%synergy
Blood Artist
67%inclusion2 decks3 decks
58%synergy
Sakura-Tribe Elder
67%inclusion2 decks3 decks
46%synergy
Satyr Wayfinder
67%inclusion2 decks3 decks
61%synergy
Spore Frog
67%inclusion2 decks3 decks
62%synergy
Clarion Conqueror
50%inclusion1 decks2 decks
49%synergy
Birds of Paradise
33%inclusion1 decks3 decks
-1%synergy
Body Snatcher
33%inclusion1 decks3 decks
33%synergy
Cauldron Familiar
33%inclusion1 decks3 decks
28%synergy
Delighted Halfling
33%inclusion1 decks3 decks
18%synergy
Drannith Magistrate
33%inclusion1 decks3 decks
28%synergy
Esper Sentinel
33%inclusion1 decks3 decks
20%synergy
Fiend Artisan
33%inclusion1 decks3 decks
29%synergy
Grand Abolisher
33%inclusion1 decks3 decks
27%synergy
Karmic Guide
33%inclusion1 decks3 decks
28%synergy
Lotho, Corrupt Shirriff
33%inclusion1 decks3 decks
24%synergy
Opposition Agent
33%inclusion1 decks3 decks
29%synergy
Orcish Bowmasters
33%inclusion1 decks3 decks
28%synergy
Ranger-Captain of Eos
33%inclusion1 decks3 decks
29%synergy
Reveillark
33%inclusion1 decks3 decks
30%synergy
Safehold Elite
33%inclusion1 decks3 decks
33%synergy
Samwise Gamgee
33%inclusion1 decks3 decks
20%synergy
Six
33%inclusion1 decks3 decks
19%synergy
Walking Ballista
33%inclusion1 decks3 decks
30%synergy
Zulaport Cutthroat
33%inclusion1 decks3 decks
25%synergy
Apex Altisaur
33%inclusion1 decks3 decks
33%synergy
Barrowgoyf
33%inclusion1 decks3 decks
33%synergy
Bartolomé del Presidio
33%inclusion1 decks3 decks
28%synergy
Blanchwood Prowler
33%inclusion1 decks3 decks
33%synergy
Bruna, the Fading Light
33%inclusion1 decks3 decks
33%synergy
Collector Ouphe
33%inclusion1 decks3 decks
30%synergy
Devoted Druid
33%inclusion1 decks3 decks
26%synergy
Dimir House Guard
33%inclusion1 decks3 decks
33%synergy
Elesh Norn, Grand Cenobite
33%inclusion1 decks3 decks
27%synergy
Faeburrow Elder
33%inclusion1 decks3 decks
22%synergy
Gaddock Teeg
33%inclusion1 decks3 decks
32%synergy
Gisela, the Broken Blade
33%inclusion1 decks3 decks
33%synergy
Haywire Mite
33%inclusion1 decks3 decks
29%synergy
Honest Rutstein
33%inclusion1 decks3 decks
29%synergy
Hushbringer
33%inclusion1 decks3 decks
32%synergy
Incubation Druid
33%inclusion1 decks3 decks
30%synergy
Kataki, War's Wage
33%inclusion1 decks3 decks
33%synergy
Instants
Chord of Calling
67%inclusion2 decks3 decks
60%synergy
Autumn's Veil
33%inclusion1 decks3 decks
33%synergy
Cabal Ritual
33%inclusion1 decks3 decks
33%synergy
Culling the Weak
33%inclusion1 decks3 decks
32%synergy
Dark Ritual
33%inclusion1 decks3 decks
28%synergy
Enlightened Tutor
33%inclusion1 decks3 decks
24%synergy
Entomb
33%inclusion1 decks3 decks
24%synergy
Rebuff the Wicked
33%inclusion1 decks3 decks
33%synergy
Reprieve
33%inclusion1 decks3 decks
30%synergy
Seedtime
33%inclusion1 decks3 decks
33%synergy
Silence
33%inclusion1 decks3 decks
30%synergy
Swords to Plowshares
33%inclusion1 decks3 decks
-30%synergy
Vampiric Tutor
33%inclusion1 decks3 decks
22%synergy
Veil of Summer
33%inclusion1 decks3 decks
30%synergy
Fell the Profane
33%inclusion1 decks3 decks
27%synergy
Flare of Malice
33%inclusion1 decks3 decks
33%synergy
Anguished Unmaking
33%inclusion1 decks3 decks
-2%synergy
Baleful Mastery
33%inclusion1 decks3 decks
33%synergy
Corpse Churn
33%inclusion1 decks3 decks
33%synergy
Cosmic Rebirth
33%inclusion1 decks3 decks
31%synergy
Deathsprout
33%inclusion1 decks3 decks
31%synergy
Despark
33%inclusion1 decks3 decks
20%synergy
Eladamri's Call
33%inclusion1 decks3 decks
26%synergy
Grapple with the Past
33%inclusion1 decks3 decks
31%synergy
Grisly Salvage
33%inclusion1 decks3 decks
26%synergy
Mortify
33%inclusion1 decks3 decks
19%synergy
Mythos of Nethroi
33%inclusion1 decks3 decks
27%synergy
Naturalize
33%inclusion1 decks3 decks
33%synergy
Putrefy
33%inclusion1 decks3 decks
24%synergy
Sorceries
Buried Alive
67%inclusion2 decks3 decks
58%synergy
Reanimate
67%inclusion2 decks3 decks
54%synergy
Nature's Rhythm
50%inclusion1 decks2 decks
46%synergy
Agadeem's Awakening
33%inclusion1 decks3 decks
31%synergy
Demonic Tutor
33%inclusion1 decks3 decks
19%synergy
Farseek
33%inclusion1 decks3 decks
-11%synergy
Green Sun's Zenith
33%inclusion1 decks3 decks
28%synergy
Imperial Seal
33%inclusion1 decks3 decks
31%synergy
Nature's Lore
33%inclusion1 decks3 decks
4%synergy
Three Visits
33%inclusion1 decks3 decks
11%synergy
Unmarked Grave
33%inclusion1 decks3 decks
30%synergy
Lively Dirge
33%inclusion1 decks3 decks
32%synergy
Living Death
33%inclusion1 decks3 decks
30%synergy
Bala Ged Recovery
33%inclusion1 decks3 decks
25%synergy
Cultivate
33%inclusion1 decks3 decks
-8%synergy
Dread Return
33%inclusion1 decks3 decks
26%synergy
Eerie Ultimatum
33%inclusion1 decks3 decks
12%synergy
Exsanguinate
33%inclusion1 decks3 decks
29%synergy
Gaea's Blessing
33%inclusion1 decks3 decks
33%synergy
Sevinne's Reclamation
33%inclusion1 decks3 decks
27%synergy
Tooth and Nail
33%inclusion1 decks3 decks
33%synergy
Unburial Rites
33%inclusion1 decks3 decks
30%synergy
Victimize
33%inclusion1 decks3 decks
25%synergy
Utility Artifacts
Phyrexian Altar
67%inclusion2 decks3 decks
61%synergy
Ashnod's Altar
33%inclusion1 decks3 decks
22%synergy
Birthing Pod
33%inclusion1 decks3 decks
30%synergy
The One Ring
33%inclusion1 decks3 decks
25%synergy
Agatha's Soul Cauldron
33%inclusion1 decks3 decks
31%synergy
Mesmeric Orb
33%inclusion1 decks3 decks
31%synergy
Perpetual Timepiece
33%inclusion1 decks3 decks
31%synergy
Enchantments
Food Chain
33%inclusion1 decks3 decks
33%synergy
Necropotence
33%inclusion1 decks3 decks
31%synergy
Smothering Tithe
33%inclusion1 decks3 decks
20%synergy
Survival of the Fittest
33%inclusion1 decks3 decks
31%synergy
Sylvan Library
33%inclusion1 decks3 decks
20%synergy
Thran Vigil
33%inclusion1 decks3 decks
33%synergy
Birthing Ritual
33%inclusion1 decks3 decks
32%synergy
Chthonian Nightmare
33%inclusion1 decks3 decks
32%synergy
Ripples of Undeath
33%inclusion1 decks3 decks
21%synergy
Cemetery Tampering
33%inclusion1 decks3 decks
30%synergy
Crawling Infestation
33%inclusion1 decks3 decks
32%synergy
Deadbridge Chant
33%inclusion1 decks3 decks
30%synergy
Death's Oasis
33%inclusion1 decks3 decks
31%synergy
Hunting Grounds
33%inclusion1 decks3 decks
32%synergy
Planeswalkers
Grist, the Hunger Tide
33%inclusion1 decks3 decks
30%synergy
Utility Lands
Phyrexian Tower
67%inclusion2 decks3 decks
57%synergy
Ancient Tomb
33%inclusion1 decks3 decks
26%synergy
Boseiju, Who Endures
33%inclusion1 decks3 decks
13%synergy
Gaea's Cradle
33%inclusion1 decks3 decks
28%synergy
Tranquil Thicket
33%inclusion1 decks3 decks
29%synergy
Urza's Saga
33%inclusion1 decks3 decks
29%synergy
High Market
33%inclusion1 decks3 decks
29%synergy
Bojuka Bog
33%inclusion1 decks3 decks
1%synergy
Mana Artifacts
Chrome Mox
33%inclusion1 decks3 decks
31%synergy
Lion's Eye Diamond
33%inclusion1 decks3 decks
32%synergy
Mana Vault
33%inclusion1 decks3 decks
31%synergy
Mox Diamond
33%inclusion1 decks3 decks
31%synergy
Sol Ring
33%inclusion1 decks3 decks
-46%synergy
Lands
Command Tower
67%inclusion2 decks3 decks
-24%synergy
Godless Shrine
67%inclusion2 decks3 decks
21%synergy
Lush Portico
67%inclusion2 decks3 decks
47%synergy
Marsh Flats
67%inclusion2 decks3 decks
33%synergy
Overgrown Tomb
67%inclusion2 decks3 decks
21%synergy
Shadowy Backstreet
67%inclusion2 decks3 decks
50%synergy
Temple Garden
67%inclusion2 decks3 decks
21%synergy
Underground Mortuary
67%inclusion2 decks3 decks
48%synergy
Verdant Catacombs
67%inclusion2 decks3 decks
33%synergy
Windswept Heath
67%inclusion2 decks3 decks
31%synergy
Arid Mesa
33%inclusion1 decks3 decks
26%synergy
Bayou
33%inclusion1 decks3 decks
21%synergy
Bloodstained Mire
33%inclusion1 decks3 decks
25%synergy
City of Brass
33%inclusion1 decks3 decks
25%synergy
Flooded Strand
33%inclusion1 decks3 decks
26%synergy
Gemstone Caverns
33%inclusion1 decks3 decks
30%synergy
Mana Confluence
33%inclusion1 decks3 decks
26%synergy
Misty Rainforest
33%inclusion1 decks3 decks
24%synergy
Polluted Delta
33%inclusion1 decks3 decks
26%synergy
Savannah
33%inclusion1 decks3 decks
21%synergy
Scrubland
33%inclusion1 decks3 decks
22%synergy
Wooded Foothills
33%inclusion1 decks3 decks
24%synergy
Brushland
33%inclusion1 decks3 decks
6%synergy
Caves of Koilos
33%inclusion1 decks3 decks
5%synergy
Indatha Triome
33%inclusion1 decks3 decks
-7%synergy
Llanowar Wastes
33%inclusion1 decks3 decks
6%synergy
Canopy Vista
33%inclusion1 decks3 decks
-11%synergy
Sandsteppe Citadel
33%inclusion1 decks3 decks
-20%synergy
Selesnya Sanctuary
33%inclusion1 decks3 decks
17%synergy
Twilight Mire
33%inclusion1 decks3 decks
22%synergy
Woodland Cemetery
33%inclusion1 decks3 decks
-10%synergy