Umbris, Fear Manifest
Opposition Agent
Hive Mind
Mana Severance
Blade of Selves
1

   Prerequisites

What do I need to start this combo?
Mana Severance in hand.
All other permanents on the battlefield.
Blade of Selves attached to Umbris. Umbris does not have summoning sickness.
1 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
Move to your combat step.
6
Attack with Umbris.
7
Umbris triggers, creating a token copy of Umbris for each opponent you have, with each token tapped and attacking a different opponent.
8
Put all but one Umbris into your graveyard due to the legend rule.
9
Umbris triggers for each Umbris token that enters and each Umbris token triggers for itself and each other Umbris that enters.
10
Resolve the Umbris triggers, revealing no lands from opponent libraries and exiling each opponent library.

   Results

What do I get from this combo?
Exile each opponent's library
Near-infinitely large Umbris
Umbris, Fear Manifest
0.16% of 6214 decks 10 decks
Sen Triplets
0.04% of 5651 decks 2 decks
Tivit, Seller of Secrets
0.01% of 12308 decks 1 decks
High Synergy Cards
Leyline of the Void
69% of 13 decks +68% synergy
Ashiok, Nightmare Muse
69% of 13 decks +68% synergy
Ravenous Chupacabra
69% of 13 decks +66% synergy
Uchuulon
62% of 13 decks +61% synergy
Sludge Monster
62% of 13 decks +60% synergy
Tasha's Hideous Laughter
62% of 13 decks +60% synergy
Zellix, Sanity Flayer
62% of 13 decks +60% synergy
Stone of Erech
54% of 13 decks +53% synergy
Captain N'ghathrod
54% of 13 decks +53% synergy
Endless Evil
54% of 13 decks +53% synergy
Top Cards
Counterspell
85% of 13 decks +42% synergy
Maddening Cacophony
54% of 13 decks +52% synergy
Hullbreaker Horror
54% of 13 decks +46% synergy
Dauthi Voidwalker
54% of 13 decks +46% synergy
Selective Memory
46% of 13 decks +46% synergy
Wharf Infiltrator
46% of 13 decks +46% synergy
Nightmare Shepherd
46% of 13 decks +45% synergy
Oblivion Sower
46% of 13 decks +45% synergy
Mind Grind
46% of 13 decks +45% synergy
Sire of Stagnation
46% of 13 decks +43% synergy
Game Changers
Vampiric Tutor
54% of 13 decks +37% synergy
Demonic Tutor
54% of 13 decks +33% synergy
Notion Thief
38% of 13 decks +32% synergy
Cyclonic Rift
38% of 13 decks +12% synergy
Rhystic Study
38% of 13 decks +12% synergy
Mystical Tutor
23% of 13 decks +9% synergy
Creatures
Ruthless Technomancer
38% of 13 decks +37% synergy
Grazilaxx, Illithid Scholar
38% of 13 decks +36% synergy
Deadeye Navigator
38% of 13 decks +36% synergy
Spellskite
38% of 13 decks +35% synergy
Phyrexian Metamorph
38% of 13 decks +31% synergy
Yarok's Fenlurker
31% of 13 decks +31% synergy
Thassa, Deep-Dwelling
31% of 13 decks +28% synergy
Toxrill, the Corrosive
31% of 13 decks +28% synergy
Wormfang Drake
23% of 13 decks +23% synergy
Thing in the Ice
23% of 13 decks +23% synergy
Mirror Image
23% of 13 decks +22% synergy
Chainer, Dementia Master
23% of 13 decks +22% synergy
Nemesis of Reason
23% of 13 decks +21% synergy
Gonti, Lord of Luxury
23% of 13 decks +21% synergy
Glasspool Mimic
23% of 13 decks +20% synergy
Consuming Aberration
23% of 13 decks +19% synergy
Spark Double
23% of 13 decks +16% synergy
Solemn Simulacrum
23% of 13 decks +9% synergy
Instants
Swords to Plowshares
100% of 3 decks +37% synergy
Negate
38% of 13 decks +16% synergy
Spoils of Blood
23% of 13 decks +23% synergy
Ghostly Flicker
23% of 13 decks +18% synergy
Reality Shift
23% of 13 decks +14% synergy
Mana Drain
23% of 13 decks +8% synergy
Arcane Denial
23% of 13 decks +3% synergy
An Offer You Can't Refuse
23% of 13 decks +2% synergy
Sorceries
Rite of Replication
38% of 13 decks +35% synergy
Damnation
38% of 13 decks +31% synergy
Essence Harvest
23% of 13 decks +23% synergy
Doomsday
23% of 13 decks +22% synergy
Fractured Sanity
23% of 13 decks +21% synergy
Fabricate
23% of 13 decks +17% synergy
Diabolic Tutor
23% of 13 decks +17% synergy
Diabolic Intent
23% of 13 decks +15% synergy
Utility Artifacts
Mindcrank
31% of 13 decks +29% synergy
Lightning Greaves
31% of 13 decks +6% synergy
Helm of the Host
23% of 13 decks +20% synergy
Whispersilk Cloak
23% of 13 decks +19% synergy
Mind Stone
23% of 13 decks +7% synergy
Enchantments
Web of Inertia
31% of 13 decks +31% synergy
Planar Void
23% of 13 decks +23% synergy
Propaganda
23% of 13 decks +11% synergy
Planeswalkers
Ashiok, Dream Render
46% of 13 decks +43% synergy
Utility Lands
Bojuka Bog
54% of 13 decks +24% synergy
Reliquary Tower
46% of 13 decks +16% synergy
Scavenger Grounds
38% of 13 decks +35% synergy
Rogue's Passage
31% of 13 decks +11% synergy
Command Beacon
23% of 13 decks +19% synergy
Mortuary Mire
23% of 13 decks +18% synergy
Mana Artifacts
Azorius Signet
100% of 3 decks +75% synergy
Sol Ring
92% of 13 decks +8% synergy
Arcane Signet
85% of 13 decks +12% synergy
Dimir Signet
69% of 13 decks +41% synergy
Talisman of Dominance
62% of 13 decks +29% synergy
Fellwar Stone
54% of 13 decks +33% synergy
Thran Dynamo
38% of 13 decks +34% synergy
Thought Vessel
38% of 13 decks +21% synergy
Dimir Keyrune
31% of 13 decks +30% synergy
Mana Crypt
23% of 13 decks +17% synergy
Chromatic Lantern
23% of 13 decks +14% synergy
Lands
Arcane Sanctum
100% of 3 decks +72% synergy
Sunken Hollow
62% of 13 decks +27% synergy
Command Tower
62% of 13 decks -13% synergy
Choked Estuary
54% of 13 decks +37% synergy
Shipwreck Marsh
54% of 13 decks +35% synergy
Dimir Aqueduct
46% of 13 decks +30% synergy
Watery Grave
46% of 13 decks +6% synergy
Tainted Isle
38% of 13 decks +27% synergy
Drowned Catacomb
38% of 13 decks +12% synergy
Darkslick Shores
31% of 13 decks +25% synergy
Darkwater Catacombs
31% of 13 decks +16% synergy
Temple of Deceit
31% of 13 decks +14% synergy
Morphic Pool
31% of 13 decks +5% synergy
Exotic Orchard
31% of 13 decks -5% synergy
Contaminated Aquifer
23% of 13 decks +20% synergy
River of Tears
23% of 13 decks +20% synergy
Dismal Backwater
23% of 13 decks +16% synergy
Clearwater Pathway
23% of 13 decks +14% synergy
Path of Ancestry
23% of 13 decks +1% synergy