Umbris, Fear Manifest
Opposition Agent
Hive Mind
Mana Severance
Chainer, Dementia Master

   Prerequisites

What do I need to start this combo?
Mana Severance in hand.
All other permanents on the battlefield.
Your life total is greater than three times the number of opponents you have. You have at least a number of creature cards in your graveyard equal to the number of opponents you have.
1 plus an additional for each opponent you have available

   Steps

How does this combo work?
1
Cast Mana Severance by paying 1.
2
Hive Mind triggers, causing each opponent to copy Mana Severance.
3
Resolve each opponent's Mana Severance, searching for and exiling all land cards from their libraries.
4
Resolve your Mana Severance, choosing not to exile any land cards from your library.
5
Activate Chainer by paying and three life, returning a creature card from your graveyard to the battlefield as a black Nightmare in addition to its other creature types.
6
That creature enters the battlefield, triggering Umbris.
7
Resolve the Umbris trigger, revealing no lands from an opponent library, exiling their library.
8
Repeat from step 5 for each opponent.

   Results

What do I get from this combo?
Exile each opponent's library
Near-infinitely large Umbris
Umbris, Fear Manifest
0.1%inclusion5 decks8.12K decks
Inquisitor Greyfax
0.0%inclusion1 decks2.30K decks
High Synergy Cards
Selective Memory
83%inclusion5 decks6 decks
83%synergy
Ashiok, Nightmare Muse
83%inclusion5 decks6 decks
82%synergy
Hullbreaker Horror
83%inclusion5 decks6 decks
76%synergy
Uchuulon
67%inclusion4 decks6 decks
66%synergy
Leyline of the Void
67%inclusion4 decks6 decks
66%synergy
Tasha's Hideous Laughter
67%inclusion4 decks6 decks
66%synergy
Zellix, Sanity Flayer
67%inclusion4 decks6 decks
65%synergy
Blade of Selves
67%inclusion4 decks6 decks
65%synergy
Deadeye Navigator
67%inclusion4 decks6 decks
64%synergy
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67%inclusion4 decks6 decks
64%synergy
Top Cards
Counterspell
83%inclusion5 decks6 decks
41%synergy
Spellskite
67%inclusion4 decks6 decks
63%synergy
Dauthi Voidwalker
67%inclusion4 decks6 decks
60%synergy
Game Changers
Drannith Magistrate
100%inclusion1 decks1 decks
95%synergy
Vampiric Tutor
67%inclusion4 decks6 decks
51%synergy
Cyclonic Rift
50%inclusion3 decks6 decks
27%synergy
Imperial Seal
33%inclusion2 decks6 decks
28%synergy
Ancient Tomb
33%inclusion2 decks6 decks
24%synergy
Force of Will
33%inclusion2 decks6 decks
23%synergy
Mystical Tutor
33%inclusion2 decks6 decks
21%synergy
Demonic Tutor
33%inclusion2 decks6 decks
14%synergy
Consecrated Sphinx
17%inclusion1 decks6 decks
12%synergy
Notion Thief
17%inclusion1 decks6 decks
11%synergy
Creatures
Vega, the Watcher
100%inclusion1 decks1 decks
97%synergy
Archivist of Oghma
100%inclusion1 decks1 decks
95%synergy
Grand Abolisher
100%inclusion1 decks1 decks
91%synergy
Esper Sentinel
100%inclusion1 decks1 decks
81%synergy
Mutated Cultist
67%inclusion2 decks3 decks
66%synergy
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67%inclusion2 decks3 decks
66%synergy
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50%inclusion3 decks6 decks
49%synergy
Nightmare Shepherd
50%inclusion3 decks6 decks
49%synergy
Rev, Tithe Extractor
50%inclusion1 decks2 decks
49%synergy
Ruthless Technomancer
50%inclusion3 decks6 decks
48%synergy
Ravenous Chupacabra
50%inclusion3 decks6 decks
47%synergy
Phyrexian Metamorph
50%inclusion3 decks6 decks
43%synergy
Painter's Servant
33%inclusion2 decks6 decks
33%synergy
Yarok's Fenlurker
33%inclusion2 decks6 decks
33%synergy
Eternal Scourge
33%inclusion2 decks6 decks
33%synergy
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33%inclusion2 decks6 decks
33%synergy
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33%inclusion2 decks6 decks
33%synergy
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33%inclusion2 decks6 decks
32%synergy
Sludge Monster
33%inclusion2 decks6 decks
32%synergy
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33%inclusion2 decks6 decks
32%synergy
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33%inclusion2 decks6 decks
32%synergy
Doom Whisperer
33%inclusion2 decks6 decks
31%synergy
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33%inclusion2 decks6 decks
31%synergy
Sire of Stagnation
33%inclusion2 decks6 decks
31%synergy
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33%inclusion2 decks6 decks
31%synergy
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33%inclusion1 decks3 decks
30%synergy
Mockingbird
33%inclusion1 decks3 decks
30%synergy
Consuming Aberration
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29%synergy
Spark Double
33%inclusion2 decks6 decks
27%synergy
Thieving Varmint
20%inclusion1 decks5 decks
19%synergy
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17%inclusion1 decks6 decks
17%synergy
Scrivener
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17%synergy
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17%inclusion1 decks6 decks
17%synergy
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17%inclusion1 decks6 decks
17%synergy
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17%inclusion1 decks6 decks
16%synergy
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17%inclusion1 decks6 decks
16%synergy
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17%inclusion1 decks6 decks
16%synergy
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17%inclusion1 decks6 decks
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17%inclusion1 decks6 decks
16%synergy
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17%inclusion1 decks6 decks
16%synergy
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16%synergy
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16%synergy
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16%synergy
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17%inclusion1 decks6 decks
16%synergy
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17%inclusion1 decks6 decks
16%synergy
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17%inclusion1 decks6 decks
16%synergy
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16%synergy
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Instants
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100%inclusion1 decks1 decks
94%synergy
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33%synergy
Perplex
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32%synergy
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33%inclusion2 decks6 decks
30%synergy
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33%inclusion2 decks6 decks
26%synergy
Mana Drain
33%inclusion2 decks6 decks
19%synergy
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33%inclusion2 decks6 decks
12%synergy
An Offer You Can't Refuse
33%inclusion2 decks6 decks
9%synergy
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33%inclusion2 decks6 decks
9%synergy
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17%inclusion1 decks6 decks
17%synergy
Spoils of Blood
17%inclusion1 decks6 decks
17%synergy
Blot Out
17%inclusion1 decks6 decks
17%synergy
Recoil
17%inclusion1 decks6 decks
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16%synergy
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16%synergy
Sudden Substitution
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Archive Trap
17%inclusion1 decks6 decks
16%synergy
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17%inclusion1 decks6 decks
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Psychic Strike
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16%synergy
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17%inclusion1 decks6 decks
16%synergy
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17%inclusion1 decks6 decks
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17%inclusion1 decks6 decks
16%synergy
Undermine
17%inclusion1 decks6 decks
16%synergy
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17%inclusion1 decks6 decks
16%synergy
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15%synergy
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17%inclusion1 decks6 decks
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15%synergy
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15%synergy
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17%inclusion1 decks6 decks
14%synergy
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17%inclusion1 decks6 decks
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17%inclusion1 decks6 decks
14%synergy
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17%inclusion1 decks6 decks
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12%synergy
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17%inclusion1 decks6 decks
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9%synergy
Reality Shift
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Arcane Denial
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Sorceries
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100%inclusion1 decks1 decks
98%synergy
Doomsday
50%inclusion3 decks6 decks
49%synergy
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48%synergy
Nightmare Unmaking
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33%synergy
Enter the Infinite
33%inclusion2 decks6 decks
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Final Act
33%inclusion1 decks3 decks
33%synergy
Praetor's Grasp
33%inclusion2 decks6 decks
31%synergy
Rite of Replication
33%inclusion2 decks6 decks
30%synergy
Toxic Deluge
33%inclusion2 decks6 decks
15%synergy
Nuclear Fallout
20%inclusion1 decks5 decks
19%synergy
Entrancing Melody
17%inclusion1 decks6 decks
17%synergy
Cruel Entertainment
17%inclusion1 decks6 decks
17%synergy
Startled Awake
17%inclusion1 decks6 decks
17%synergy
Call of the Nightwing
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Acquire
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16%synergy
Worst Fears
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17%inclusion1 decks6 decks
16%synergy
Mnemonic Deluge
17%inclusion1 decks6 decks
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Blue Sun's Twilight
17%inclusion1 decks6 decks
16%synergy
Duress
17%inclusion1 decks6 decks
16%synergy
Inevitable Betrayal
17%inclusion1 decks6 decks
15%synergy
Crippling Fear
17%inclusion1 decks6 decks
15%synergy
Deep Analysis
17%inclusion1 decks6 decks
14%synergy
Whispering Madness
17%inclusion1 decks6 decks
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Peer into the Abyss
17%inclusion1 decks6 decks
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17%inclusion1 decks6 decks
13%synergy
Damnation
17%inclusion1 decks6 decks
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Diabolic Intent
17%inclusion1 decks6 decks
9%synergy
Reanimate
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Utility Artifacts
Brotherhood Regalia
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64%synergy
Ghost Vacuum
50%inclusion1 decks2 decks
50%synergy
Stone of Erech
50%inclusion3 decks6 decks
49%synergy
Tormod's Crypt
33%inclusion2 decks6 decks
32%synergy
Panharmonicon
33%inclusion2 decks6 decks
29%synergy
Skyship Weatherlight
17%inclusion1 decks6 decks
17%synergy
Anvil of Bogardan
17%inclusion1 decks6 decks
16%synergy
Mindslaver
17%inclusion1 decks6 decks
16%synergy
Relic of Progenitus
17%inclusion1 decks6 decks
16%synergy
Mirror Box
17%inclusion1 decks6 decks
16%synergy
Vedalken Orrery
17%inclusion1 decks6 decks
16%synergy
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15%synergy
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17%inclusion1 decks6 decks
15%synergy
Howling Mine
17%inclusion1 decks6 decks
15%synergy
Conjurer's Closet
17%inclusion1 decks6 decks
14%synergy
Time Sieve
17%inclusion1 decks6 decks
14%synergy
Maskwood Nexus
17%inclusion1 decks6 decks
14%synergy
Helm of the Host
17%inclusion1 decks6 decks
14%synergy
Wishclaw Talisman
17%inclusion1 decks6 decks
11%synergy
Herald's Horn
17%inclusion1 decks6 decks
11%synergy
Wayfarer's Bauble
17%inclusion1 decks6 decks
9%synergy
The One Ring
17%inclusion1 decks6 decks
8%synergy
Lightning Greaves
17%inclusion1 decks6 decks
-8%synergy
Enchantments
Endless Evil
50%inclusion3 decks6 decks
49%synergy
Meathook Massacre II
50%inclusion1 decks2 decks
49%synergy
Planar Void
33%inclusion2 decks6 decks
33%synergy
Kitnap
33%inclusion1 decks3 decks
33%synergy
Rhystic Study
33%inclusion2 decks6 decks
9%synergy
Struggle for Project Purity
20%inclusion1 decks5 decks
19%synergy
Descent into Madness
17%inclusion1 decks6 decks
17%synergy
Gravestorm
17%inclusion1 decks6 decks
17%synergy
Nether Void
17%inclusion1 decks6 decks
17%synergy
Aether Barrier
17%inclusion1 decks6 decks
17%synergy
Web of Inertia
17%inclusion1 decks6 decks
16%synergy
Dire Undercurrents
17%inclusion1 decks6 decks
16%synergy
Control Magic
17%inclusion1 decks6 decks
16%synergy
Telepathy
17%inclusion1 decks6 decks
16%synergy
Sphinx's Tutelage
17%inclusion1 decks6 decks
16%synergy
Eldrazi Conscription
17%inclusion1 decks6 decks
16%synergy
Counterbalance
17%inclusion1 decks6 decks
15%synergy
Reflections of Littjara
17%inclusion1 decks6 decks
12%synergy
Mystic Remora
17%inclusion1 decks6 decks
0%synergy
Planeswalkers
Teferi, Time Raveler
100%inclusion1 decks1 decks
94%synergy
Ashiok, Wicked Manipulator
17%inclusion1 decks6 decks
17%synergy
Will Kenrith
17%inclusion1 decks6 decks
16%synergy
Ashiok, Nightmare Weaver
17%inclusion1 decks6 decks
16%synergy
Jace, the Perfected Mind
17%inclusion1 decks6 decks
16%synergy
Sorin Markov
17%inclusion1 decks6 decks
16%synergy
Liliana, Dreadhorde General
17%inclusion1 decks6 decks
13%synergy
Utility Lands
Reliquary Tower
50%inclusion3 decks6 decks
20%synergy
Bojuka Bog
33%inclusion2 decks6 decks
4%synergy
Ghost Quarter
17%inclusion1 decks6 decks
15%synergy
Cephalid Coliseum
17%inclusion1 decks6 decks
13%synergy
Shizo, Death's Storehouse
17%inclusion1 decks6 decks
12%synergy
Urza's Saga
17%inclusion1 decks6 decks
10%synergy
Urborg, Tomb of Yawgmoth
17%inclusion1 decks6 decks
8%synergy
Otawara, Soaring City
17%inclusion1 decks6 decks
0%synergy
Rogue's Passage
17%inclusion1 decks6 decks
-4%synergy
Mana Artifacts
Sol Ring
83%inclusion5 decks6 decks
0%synergy
Dimir Signet
67%inclusion4 decks6 decks
41%synergy
Talisman of Dominance
67%inclusion4 decks6 decks
34%synergy
Arcane Signet
67%inclusion4 decks6 decks
-6%synergy
Mana Crypt
50%inclusion3 decks6 decks
47%synergy
Basalt Monolith
33%inclusion2 decks6 decks
31%synergy
Lotus Petal
33%inclusion2 decks6 decks
26%synergy
Mind Stone
33%inclusion2 decks6 decks
18%synergy
Thought Vessel
33%inclusion2 decks6 decks
16%synergy
Fellwar Stone
33%inclusion2 decks6 decks
13%synergy
Honored Heirloom
17%inclusion1 decks6 decks
16%synergy
Gauntlet of Power
17%inclusion1 decks6 decks
16%synergy
Dimir Locket
17%inclusion1 decks6 decks
16%synergy
Dimir Keyrune
17%inclusion1 decks6 decks
16%synergy
Caged Sun
17%inclusion1 decks6 decks
15%synergy
Jeweled Lotus
17%inclusion1 decks6 decks
15%synergy
Gilded Lotus
17%inclusion1 decks6 decks
14%synergy
Everflowing Chalice
17%inclusion1 decks6 decks
12%synergy
Charcoal Diamond
17%inclusion1 decks6 decks
12%synergy
Mox Opal
17%inclusion1 decks6 decks
12%synergy
Mox Amber
17%inclusion1 decks6 decks
12%synergy
Thran Dynamo
17%inclusion1 decks6 decks
12%synergy
Mana Vault
17%inclusion1 decks6 decks
11%synergy
Chrome Mox
17%inclusion1 decks6 decks
11%synergy
Commander's Sphere
17%inclusion1 decks6 decks
4%synergy
Lands
Deserted Beach
100%inclusion1 decks1 decks
83%synergy
Vault of Champions
100%inclusion1 decks1 decks
76%synergy
Sea of Clouds
100%inclusion1 decks1 decks
75%synergy
Arcane Sanctum
100%inclusion1 decks1 decks
72%synergy
Caves of Koilos
100%inclusion1 decks1 decks
71%synergy
Isolated Chapel
100%inclusion1 decks1 decks
67%synergy
Prairie Stream
100%inclusion1 decks1 decks
66%synergy
Hallowed Fountain
100%inclusion1 decks1 decks
60%synergy
Godless Shrine
100%inclusion1 decks1 decks
59%synergy
Marsh Flats
33%inclusion2 decks6 decks
23%synergy
Flooded Strand
33%inclusion2 decks6 decks
22%synergy
Polluted Delta
33%inclusion2 decks6 decks
21%synergy
Underground River
33%inclusion2 decks6 decks
11%synergy
Morphic Pool
33%inclusion2 decks6 decks
9%synergy
Sunken Hollow
33%inclusion2 decks6 decks
-1%synergy
Exotic Orchard
33%inclusion2 decks6 decks
-3%synergy
Watery Grave
33%inclusion2 decks6 decks
-8%synergy
Command Tower
33%inclusion2 decks6 decks
-41%synergy
Prismatic Vista
17%inclusion1 decks6 decks
12%synergy
Gemstone Caverns
17%inclusion1 decks6 decks
12%synergy
Sunken Ruins
17%inclusion1 decks6 decks
11%synergy
Cavern of Souls
17%inclusion1 decks6 decks
9%synergy
Clearwater Pathway
17%inclusion1 decks6 decks
9%synergy
Scalding Tarn
17%inclusion1 decks6 decks
6%synergy
Verdant Catacombs
17%inclusion1 decks6 decks
6%synergy
Tainted Isle
17%inclusion1 decks6 decks
6%synergy
Bloodstained Mire
17%inclusion1 decks6 decks
6%synergy
Misty Rainforest
17%inclusion1 decks6 decks
5%synergy
Underground Sea
17%inclusion1 decks6 decks
2%synergy
Darkwater Catacombs
17%inclusion1 decks6 decks
2%synergy
Dimir Aqueduct
17%inclusion1 decks6 decks
2%synergy
Temple of Deceit
17%inclusion1 decks6 decks
2%synergy
Shipwreck Marsh
17%inclusion1 decks6 decks
-2%synergy
Path of Ancestry
17%inclusion1 decks6 decks
-5%synergy
Drowned Catacomb
17%inclusion1 decks6 decks
-12%synergy