Roiling Horror (Card)
Roiling Horror
In 223 decks
0% of 1995077 decks
Top Commanders (2)
Nethroi, Apex of Death
0.53% of 5463 decks
29 decks
Captain N'ghathrod
0.10% of 12445 decks
13 decks
New Cards (5)
Shadowy Backstreet
56% of 9 decks
+51% synergy
Lush Portico
50% of 8 decks
+46% synergy
Underground Mortuary
50% of 10 decks
+45% synergy
Aftermath Analyst
38% of 13 decks
+36% synergy
Vein Ripper
9% of 32 decks
+8% synergy
High Synergy Cards (10)
Dinosaurs on a Spaceship
67% of 9 decks
+66% synergy
Jhoira of the Ghitu
56% of 41 decks
+56% synergy
Watcher of Hours
56% of 16 decks
+55% synergy
The Tenth Doctor
53% of 19 decks
+52% synergy
Star Whale
48% of 25 decks
+47% synergy
Arc Blade
45% of 65 decks
+45% synergy
Judoon Enforcers
44% of 9 decks
+44% synergy
Rousing Refrain
44% of 62 decks
+43% synergy
Shivan Meteor
38% of 65 decks
+38% synergy
Greater Gargadon
38% of 65 decks
+38% synergy
Top Cards (10)
Cultivate
42% of 77 decks
+19% synergy
Shivan Sand-Mage
37% of 65 decks
+37% synergy
Inspiring Refrain
36% of 78 decks
+35% synergy
Swords to Plowshares
36% of 98 decks
+7% synergy
Timecrafting
35% of 65 decks
+35% synergy
Aeon Chronicler
35% of 86 decks
+35% synergy
Deep-Sea Kraken
35% of 86 decks
+34% synergy
Rift Bolt
34% of 65 decks
+34% synergy
Gargadon
33% of 61 decks
+33% synergy
Inevitable Betrayal
32% of 77 decks
+32% synergy
Creatures (50)
Rift Elemental
32% of 65 decks
+32% synergy
Sibylline Soothsayer
32% of 28 decks
+32% synergy
Detritivore
31% of 65 decks
+31% synergy
Phantom Nishoba
30% of 54 decks
+30% synergy
Alaundo the Seer
29% of 14 decks
+29% synergy
Sakura-Tribe Elder
27% of 77 decks
+18% synergy
Gemrazer
27% of 70 decks
+26% synergy
Consuming Aberration
27% of 85 decks
+26% synergy
Faeburrow Elder
26% of 53 decks
+24% synergy
Grell Philosopher
26% of 65 decks
+26% synergy
Zellix, Sanity Flayer
26% of 65 decks
+25% synergy
Sinister Concierge
26% of 69 decks
+26% synergy
Ith, High Arcanist
25% of 32 decks
+25% synergy
Nemesis of Reason
25% of 85 decks
+24% synergy
Pardic Dragon
25% of 65 decks
+25% synergy
Veiling Oddity
24% of 86 decks
+24% synergy
Time Beetle
24% of 25 decks
+23% synergy
Sludge Monster
23% of 73 decks
+23% synergy
Faldorn, Dread Wolf Herald
23% of 13 decks
+23% synergy
Skull Prophet
23% of 70 decks
+22% synergy
Nyx Weaver
22% of 77 decks
+21% synergy
Boneyard Lurker
21% of 70 decks
+21% synergy
Old Stickfingers
21% of 66 decks
+21% synergy
Wild-Magic Sorcerer
20% of 59 decks
+19% synergy
Nihilith
20% of 222 decks
+20% synergy
Polukranos, Unchained
20% of 70 decks
+20% synergy
The Ninth Doctor
20% of 20 decks
+19% synergy
Riftwing Cloudskate
20% of 86 decks
+20% synergy
Satyr Wayfinder
19% of 77 decks
+19% synergy
Birds of Paradise
19% of 77 decks
+7% synergy
Thing in the Ice
19% of 84 decks
+19% synergy
Drogskol Reaver
19% of 32 decks
+18% synergy
Migratory Greathorn
19% of 70 decks
+18% synergy
Bramble Familiar
19% of 27 decks
+17% synergy
Keldon Halberdier
18% of 65 decks
+18% synergy
Ajani's Pridemate
18% of 98 decks
+18% synergy
Hullbreaker Horror
18% of 71 decks
+15% synergy
Fungal Behemoth
18% of 77 decks
+18% synergy
Queza, Augur of Agonies
18% of 22 decks
+18% synergy
Golgari Grave-Troll
18% of 77 decks
+17% synergy
Eternal Witness
18% of 77 decks
+8% synergy
Elas il-Kor, Sadistic Pilgrim
18% of 67 decks
+15% synergy
Chasm Skulker
18% of 85 decks
+16% synergy
Nalfeshnee
17% of 52 decks
+16% synergy
Aboleth Spawn
17% of 65 decks
+16% synergy
Vizkopa Guildmage
16% of 98 decks
+16% synergy
Suture Priest
16% of 98 decks
+15% synergy
Soul Warden
16% of 98 decks
+14% synergy
Scourge of the Skyclaves
16% of 200 decks
+16% synergy
Murkfiend Liege
16% of 19 decks
+15% synergy
Instants (50)
Suspend
29% of 77 decks
+28% synergy
Counterspell
28% of 86 decks
+7% synergy
Fury Charm
26% of 65 decks
+26% synergy
Mythos of Nethroi
23% of 53 decks
+22% synergy
Clockspinning
22% of 86 decks
+22% synergy
Grisly Salvage
22% of 77 decks
+21% synergy
Delay
19% of 86 decks
+17% synergy
Path to Exile
15% of 98 decks
-4% synergy
Brainstorm
15% of 86 decks
+4% synergy
Dark Ritual
15% of 222 decks
+4% synergy
Cosmic Rebirth
13% of 31 decks
+12% synergy
Negate
13% of 86 decks
+1% synergy
Chaos Warp
12% of 65 decks
-4% synergy
Fog
12% of 77 decks
+11% synergy
Beast Within
12% of 77 decks
-7% synergy
Bedevil
11% of 63 decks
+8% synergy
Thrill of Possibility
11% of 63 decks
+6% synergy
Cyclonic Rift
10% of 86 decks
-4% synergy
Evolution Charm
10% of 77 decks
+10% synergy
Dust of Moments
10% of 98 decks
+10% synergy
Drown in the Loch
10% of 79 decks
+8% synergy
Delayed Blast Fireball
10% of 52 decks
+8% synergy
Absorb
9% of 32 decks
+9% synergy
Blood for the Blood God!
9% of 43 decks
+8% synergy
Anguished Unmaking
9% of 97 decks
+4% synergy
Assassin's Trophy
9% of 76 decks
+3% synergy
Tangle
9% of 77 decks
+9% synergy
Teferi's Protection
8% of 95 decks
-1% synergy
Return to Dust
8% of 98 decks
+6% synergy
Harmonic Convergence
8% of 77 decks
+8% synergy
Scent of Ivy
8% of 77 decks
+8% synergy
Nature's Panoply
8% of 77 decks
+8% synergy
Sprouting Vines
8% of 77 decks
+8% synergy
Abzan Charm
7% of 54 decks
+7% synergy
Utter End
7% of 97 decks
+5% synergy
Beacon of Immortality
7% of 98 decks
+7% synergy
Enlightened Tutor
7% of 98 decks
-1% synergy
Venser's Diffusion
7% of 86 decks
+7% synergy
Mana Drain
7% of 86 decks
-1% synergy
Unexpected Windfall
7% of 59 decks
+3% synergy
Despark
7% of 91 decks
+3% synergy
Generous Gift
7% of 91 decks
-5% synergy
Strength of Night
6% of 77 decks
+6% synergy
Luminescent Rain
6% of 77 decks
+6% synergy
Grapple with the Past
6% of 77 decks
+6% synergy
Putrefy
6% of 77 decks
+3% synergy
Demon Bolt
6% of 62 decks
+6% synergy
Spoils of Blood
6% of 219 decks
+6% synergy
Deflecting Swat
6% of 63 decks
-1% synergy
Fierce Guardianship
6% of 79 decks
-2% synergy
Sorceries (50)
Ecstatic Beauty
32% of 28 decks
+32% synergy
Charnel Serenade
31% of 26 decks
+30% synergy
Wheel of Fate
29% of 65 decks
+28% synergy
Kodama's Reach
29% of 77 decks
+13% synergy
Eerie Ultimatum
28% of 53 decks
+27% synergy
Ancestral Vision
28% of 86 decks
+27% synergy
Reality Strobe
27% of 86 decks
+27% synergy
Rampant Growth
26% of 77 decks
+9% synergy
All of History, All at Once
25% of 24 decks
+25% synergy
Farseek
23% of 77 decks
+8% synergy
Plunder
22% of 65 decks
+22% synergy
Wibbly-wobbly, Timey-wimey
21% of 24 decks
+20% synergy
Curse of the Cabal
20% of 222 decks
+20% synergy
Search for Tomorrow
19% of 77 decks
+18% synergy
Blasphemous Act
18% of 65 decks
+2% synergy
Venture Forth
18% of 60 decks
+18% synergy
Glimpse of Tomorrow
18% of 61 decks
+18% synergy
Debt to the Deathless
17% of 98 decks
+17% synergy
Profane Tutor
17% of 195 decks
+15% synergy
The Wedding of River Song
17% of 24 decks
+16% synergy
Gaea's Will
16% of 68 decks
+16% synergy
Phthisis
16% of 222 decks
+16% synergy
Fractured Sanity
16% of 77 decks
+15% synergy
Crashing Footfalls
14% of 76 decks
+14% synergy
Life from the Loam
14% of 77 decks
+13% synergy
Call of the Nightwing
14% of 85 decks
+14% synergy
Psionic Ritual
14% of 65 decks
+14% synergy
Time Wipe
13% of 30 decks
+12% synergy
Chronomantic Escape
13% of 98 decks
+13% synergy
Merciless Eviction
13% of 98 decks
+12% synergy
Nature's Lore
13% of 77 decks
-2% synergy
Exsanguinate
12% of 221 decks
+9% synergy
Explosive Vegetation
12% of 77 decks
+10% synergy
Maddening Cacophony
11% of 79 decks
+10% synergy
Fumigate
11% of 97 decks
+10% synergy
Festering March
11% of 222 decks
+11% synergy
Diabolic Tutor
11% of 222 decks
+8% synergy
Heroes Remembered
11% of 98 decks
+11% synergy
Rise of the Witch-king
11% of 36 decks
+10% synergy
Jeska's Will
11% of 63 decks
+2% synergy
Feed the Swarm
11% of 200 decks
+1% synergy
Sign in Blood
10% of 221 decks
+5% synergy
Cyclical Evolution
10% of 77 decks
+10% synergy
Jarad's Orders
10% of 77 decks
+10% synergy
Demonic Tutor
10% of 222 decks
-2% synergy
Last March of the Ents
9% of 32 decks
+6% synergy
Vandalblast
9% of 65 decks
+1% synergy
Mulch
9% of 77 decks
+9% synergy
Tasha's Hideous Laughter
9% of 77 decks
+8% synergy
Explore
9% of 77 decks
+5% synergy
Utility Artifacts (22)
Swiftfoot Boots
16% of 221 decks
-12% synergy
Rotating Fireplace
15% of 59 decks
+15% synergy
Conduit of Worlds
13% of 46 decks
+10% synergy
Well of Lost Dreams
13% of 223 decks
+11% synergy
Lightning Greaves
13% of 223 decks
-13% synergy
Urabrask's Forge
10% of 41 decks
+9% synergy
Aetherflux Reservoir
9% of 218 decks
+5% synergy
Bolas's Citadel
9% of 210 decks
+4% synergy
Bontu's Monument
9% of 216 decks
+7% synergy
Alhammarret's Archive
9% of 220 decks
+6% synergy
Cosmos Elixir
8% of 198 decks
+7% synergy
Chalice of Life
8% of 221 decks
+8% synergy
Tainted Sigil
7% of 98 decks
+7% synergy
Tithing Blade
7% of 42 decks
+6% synergy
Palantír of Orthanc
7% of 89 decks
+5% synergy
Cryptolith Fragment
6% of 218 decks
+6% synergy
Whip of Erebos
6% of 220 decks
+4% synergy
Altar of Dementia
6% of 223 decks
+3% synergy
Mask of Griselbrand
6% of 190 decks
+5% synergy
Wand of Wonder
6% of 52 decks
+4% synergy
Whispersilk Cloak
5% of 223 decks
+2% synergy
The One Ring
5% of 98 decks
-4% synergy
Enchantments (50)
The Parting of the Ways
22% of 27 decks
+22% synergy
Endless Evil
22% of 65 decks
+21% synergy
Sanguine Bond
21% of 221 decks
+18% synergy
Death's Oasis
19% of 53 decks
+19% synergy
As Foretold
17% of 84 decks
+16% synergy
Blind Obedience
16% of 98 decks
+13% synergy
Exquisite Blood
16% of 220 decks
+13% synergy
Cleric Class
15% of 84 decks
+14% synergy
Phyrexian Arena
14% of 222 decks
+7% synergy
Passionate Archaeologist
13% of 52 decks
+12% synergy
The Lost and the Damned
13% of 30 decks
+13% synergy
Paradox Haze
13% of 86 decks
+12% synergy
Rhystic Study
12% of 86 decks
-2% synergy
Cradle of Vitality
10% of 98 decks
+10% synergy
Celestial Mantle
10% of 98 decks
+10% synergy
Palace Siege
10% of 219 decks
+10% synergy
Smothering Tithe
10% of 92 decks
-2% synergy
Dawn's Reflection
9% of 77 decks
+9% synergy
Deadbridge Chant
9% of 77 decks
+9% synergy
Dawn of Hope
9% of 92 decks
+8% synergy
Greed
9% of 222 decks
+7% synergy
Authority of the Consuls
8% of 97 decks
+6% synergy
Angelic Chorus
8% of 98 decks
+8% synergy
Ghostly Prison
8% of 98 decks
+3% synergy
Crawling Infestation
8% of 63 decks
+7% synergy
Upwelling
8% of 77 decks
+8% synergy
Prismatic Omen
8% of 77 decks
+7% synergy
Greater Good
8% of 77 decks
+5% synergy
Reflections of Littjara
8% of 78 decks
+5% synergy
Revenge of Ravens
7% of 202 decks
+7% synergy
Mirari's Wake
7% of 54 decks
+4% synergy
Sunbond
7% of 97 decks
+7% synergy
Subversion
7% of 222 decks
+7% synergy
Boon Reflection
7% of 98 decks
+7% synergy
Hydra's Growth
7% of 70 decks
+6% synergy
Bastion of Remembrance
7% of 200 decks
+4% synergy
Memory Erosion
7% of 86 decks
+6% synergy
Propaganda
7% of 86 decks
+2% synergy
Triskaidekaphobia
7% of 217 decks
+7% synergy
The Ruinous Powers
7% of 44 decks
+6% synergy
Baneful Omen
7% of 221 decks
+7% synergy
Underworld Dreams
7% of 222 decks
+6% synergy
Crawling Sensation
6% of 77 decks
+6% synergy
Theater of Horrors
6% of 63 decks
+6% synergy
Court of Ire
6% of 63 decks
+6% synergy
The Meathook Massacre
6% of 190 decks
+4% synergy
Sunbird's Invocation
6% of 64 decks
+5% synergy
Sigarda's Splendor
6% of 81 decks
+6% synergy
Psychic Corrosion
6% of 83 decks
+5% synergy
Out of the Tombs
6% of 134 decks
+5% synergy
Planeswalkers (7)
Grist, the Hunger Tide
13% of 68 decks
+13% synergy
Ashiok, Dream Render
10% of 81 decks
+9% synergy
Ashiok, Nightmare Muse
8% of 78 decks
+7% synergy
Sorin Markov
7% of 221 decks
+7% synergy
Ajani Goldmane
6% of 98 decks
+6% synergy
Ashiok, Nightmare Weaver
6% of 85 decks
+6% synergy
Huatli, the Sun's Heart
6% of 54 decks
+5% synergy
Utility Lands (32)
Bojuka Bog
19% of 221 decks
+3% synergy
Urborg, Tomb of Yawgmoth
16% of 223 decks
+6% synergy
Rogue's Passage
14% of 221 decks
-4% synergy
Reliquary Tower
14% of 222 decks
-14% synergy
Vault of the Archangel
13% of 98 decks
+11% synergy
Trenzalore Clocktower
12% of 25 decks
+11% synergy
Cabal Coffers
12% of 222 decks
+6% synergy
Mystic Sanctuary
9% of 80 decks
+2% synergy
Restless Fortress
9% of 35 decks
+8% synergy
Temple of the False God
9% of 223 decks
-1% synergy
Cabal Stronghold
8% of 213 decks
+6% synergy
Leechridden Swamp
7% of 221 decks
+7% synergy
Kabira Crossroads
7% of 98 decks
+7% synergy
Nephalia Drownyard
7% of 85 decks
+6% synergy
Hostile Hostel
7% of 190 decks
+7% synergy
Thespian's Stage
7% of 221 decks
+4% synergy
Boseiju, Who Endures
7% of 61 decks
-3% synergy
Jungle Basin
6% of 77 decks
+6% synergy
Dakmor Salvage
6% of 222 decks
+5% synergy
Argoth, Sanctum of Nature
6% of 48 decks
+5% synergy
Shambling Vent
6% of 97 decks
+6% synergy
Spinerock Knoll
6% of 65 decks
+4% synergy
Emeria, the Sky Ruin
6% of 98 decks
+5% synergy
Creeping Tar Pit
6% of 85 decks
+5% synergy
Centaur Garden
5% of 77 decks
+5% synergy
Tree of Tales
5% of 77 decks
+4% synergy
Mosswort Bridge
5% of 77 decks
+0% synergy
Orzhova, the Church of Deals
5% of 98 decks
+5% synergy
Secluded Steppe
5% of 98 decks
+3% synergy
Windbrisk Heights
5% of 98 decks
+3% synergy
Yavimaya, Cradle of Growth
5% of 196 decks
-4% synergy
Mortuary Mire
5% of 219 decks
+2% synergy
Mana Artifacts (32)
Sol Ring
60% of 223 decks
-25% synergy
Arcane Signet
54% of 203 decks
-17% synergy
Dimir Signet
24% of 85 decks
+15% synergy
Rakdos Signet
19% of 64 decks
+12% synergy
Sol Talisman
17% of 196 decks
+16% synergy
Orzhov Signet
17% of 98 decks
+11% synergy
Commander's Sphere
17% of 220 decks
+0% synergy
Izzet Signet
15% of 41 decks
+8% synergy
Talisman of Hierarchy
14% of 91 decks
+9% synergy
Dimir Keyrune
14% of 85 decks
+14% synergy
Mox Tantalite
13% of 210 decks
+13% synergy
Fellwar Stone
13% of 223 decks
-8% synergy
Talisman of Indulgence
12% of 64 decks
+7% synergy
Azorius Signet
12% of 32 decks
+6% synergy
Talisman of Dominance
12% of 85 decks
+4% synergy
Lotus Bloom
11% of 223 decks
+11% synergy
Thought Vessel
11% of 218 decks
-5% synergy
Golgari Signet
10% of 77 decks
+8% synergy
Talisman of Creativity
10% of 41 decks
+3% synergy
Pristine Talisman
10% of 221 decks
+8% synergy
Chromatic Lantern
10% of 221 decks
+0% synergy
Obelisk of Esper
9% of 32 decks
+9% synergy
Charcoal Diamond
7% of 222 decks
+4% synergy
Mind Stone
7% of 223 decks
-11% synergy
Orzhov Cluestone
7% of 98 decks
+7% synergy
Talisman of Resilience
7% of 76 decks
+4% synergy
Midnight Clock
6% of 80 decks
+4% synergy
Dimir Cluestone
6% of 85 decks
+6% synergy
Paradise Plume
6% of 223 decks
+6% synergy
Talisman of Unity
6% of 54 decks
+4% synergy
Selesnya Signet
6% of 54 decks
+3% synergy
Glittering Stockpile
5% of 56 decks
+4% synergy
Lands (50)
Command Tower
58% of 221 decks
-15% synergy
Indatha Triome
49% of 53 decks
+46% synergy
Sandsteppe Citadel
46% of 54 decks
+44% synergy
Crumbling Necropolis
38% of 40 decks
+34% synergy
Xander's Lounge
37% of 35 decks
+33% synergy
Temple Garden
37% of 54 decks
+28% synergy
Godless Shrine
34% of 98 decks
+24% synergy
Arcane Sanctum
31% of 32 decks
+28% synergy
The World Tree
31% of 13 decks
+28% synergy
Overgrown Tomb
30% of 77 decks
+20% synergy
Sunken Hollow
30% of 84 decks
+21% synergy
Caves of Koilos
30% of 98 decks
+23% synergy
Steam Vents
29% of 41 decks
+20% synergy
Undergrowth Stadium
29% of 70 decks
+23% synergy
Isolated Chapel
28% of 98 decks
+22% synergy
Smoldering Marsh
27% of 64 decks
+19% synergy
Watery Grave
26% of 85 decks
+15% synergy
Nomad Outpost
25% of 20 decks
+22% synergy
Canopy Vista
24% of 54 decks
+17% synergy
Evolving Wilds
24% of 222 decks
+2% synergy
Temple of Silence
23% of 98 decks
+19% synergy
Dragonskull Summit
23% of 64 decks
+17% synergy
Llanowar Wastes
23% of 77 decks
+18% synergy
Ziatora's Proving Ground
23% of 13 decks
+19% synergy
Spara's Headquarters
23% of 13 decks
+19% synergy
Exotic Orchard
23% of 222 decks
-12% synergy
Raffine's Tower
23% of 22 decks
+19% synergy
Scoured Barrens
23% of 97 decks
+21% synergy
Orzhov Basilica
22% of 98 decks
+19% synergy
Luxury Suite
22% of 63 decks
+16% synergy
Stomping Ground
22% of 18 decks
+13% synergy
Blood Crypt
22% of 64 decks
+13% synergy
Simic Guildgate
21% of 19 decks
+20% synergy
Opulent Palace
21% of 19 decks
+18% synergy
Golgari Rot Farm
21% of 77 decks
+17% synergy
Bountiful Promenade
20% of 54 decks
+15% synergy
Mystic Monastery
20% of 15 decks
+17% synergy
Deathcap Glade
20% of 65 decks
+17% synergy
Vault of Champions
20% of 87 decks
+14% synergy
Sulfur Falls
20% of 41 decks
+13% synergy
Dimir Aqueduct
19% of 85 decks
+14% synergy
Seaside Citadel
19% of 16 decks
+16% synergy
Hallowed Fountain
19% of 32 decks
+9% synergy
Orzhov Guildgate
18% of 98 decks
+17% synergy
Terramorphic Expanse
18% of 223 decks
+2% synergy
Dimir Guildgate
18% of 85 decks
+16% synergy
Overgrown Farmland
18% of 51 decks
+14% synergy
Shattered Sanctum
18% of 80 decks
+14% synergy
Training Center
18% of 40 decks
+11% synergy
Gruul Guildgate
17% of 18 decks
+16% synergy