Gary, the Snail (Commander) - Upgraded

Original Name:

Toxrill, the CorrosiveToxrill, the Corrosive

Background image for The Best Horror Combos in Commander
Ethan Coover
Oct 20, 2025
The Best Horror Combos in Commander
There are plenty of Horror creatures in Magic, but which are the best at comboing? In honor of Halloween, Ethan Coover lists the best 10.
Deck Filters
Cardsphere
Archidekt
Commander Spellbook
Moxfield
Scryfall
MTGStocks
Serpent's Pass
4.7%inclusion2 decks43 decks
4%synergy
Wan Shi Tong, Librarian
3.4%inclusion2 decks58 decks
1%synergy
Agna Qel'a
2.6%inclusion1 decks39 decks
1%synergy
Obsessive Pursuit
2.6%inclusion1 decks39 decks
2%synergy
Raven Eagle
2.3%inclusion1 decks43 decks
2%synergy
High Synergy Cards
Sludge Monster
79%inclusion265 decks334 decks
72%synergy
Maha, Its Feathers Night
67%inclusion222 decks331 decks
64%synergy
Blood Artist
68%inclusion226 decks334 decks
63%synergy
Massacre Wurm
71%inclusion237 decks334 decks
62%synergy
Thrummingbird
59%inclusion196 decks334 decks
56%synergy
Black Market
60%inclusion201 decks334 decks
55%synergy
Karn's Bastion
55%inclusion185 decks334 decks
52%synergy
Polymorphist's Jest
54%inclusion180 decks334 decks
52%synergy
Mass Diminish
53%inclusion177 decks334 decks
51%synergy
Inexorable Tide
52%inclusion174 decks334 decks
50%synergy
Top Cards
Counterspell
76%inclusion254 decks334 decks
20%synergy
Dark Ritual
66%inclusion222 decks334 decks
32%synergy
Swiftfoot Boots
58%inclusion194 decks334 decks
34%synergy
Lightning Greaves
55%inclusion183 decks334 decks
27%synergy
Skullclamp
54%inclusion179 decks334 decks
45%synergy
Morbid Opportunist
53%inclusion177 decks334 decks
49%synergy
Tezzeret's Gambit
52%inclusion174 decks334 decks
49%synergy
Massacre Girl, Known Killer
51%inclusion172 decks334 decks
48%synergy
Flatline
51%inclusion170 decks334 decks
49%synergy
Toxic Deluge
50%inclusion168 decks334 decks
24%synergy
Game Changers
Rhystic Study
34%inclusion115 decks334 decks
10%synergy
Cyclonic Rift
22%inclusion74 decks334 decks
-2%synergy
Demonic Tutor
21%inclusion69 decks334 decks
1%synergy
Notion Thief
18%inclusion59 decks334 decks
6%synergy
Bolas's Citadel
15%inclusion51 decks334 decks
9%synergy
Fierce Guardianship
11%inclusion37 decks334 decks
-8%synergy
Orcish Bowmasters
9.0%inclusion30 decks334 decks
1%synergy
Vampiric Tutor
8.4%inclusion28 decks334 decks
-8%synergy
Ancient Tomb
7.2%inclusion24 decks334 decks
-2%synergy
Narset, Parter of Veils
5.1%inclusion17 decks334 decks
2%synergy
Creatures
Flux Channeler
50%inclusion166 decks334 decks
47%synergy
Syr Konrad, the Grim
49%inclusion162 decks334 decks
35%synergy
Slaughter Specialist
46%inclusion152 decks334 decks
44%synergy
Mirkwood Bats
43%inclusion142 decks334 decks
37%synergy
Yawgmoth, Thran Physician
42%inclusion141 decks334 decks
41%synergy
Clackbridge Troll
42%inclusion140 decks334 decks
41%synergy
Ayara, First of Locthwain
39%inclusion131 decks334 decks
36%synergy
Gisa, Glorious Resurrector
39%inclusion129 decks334 decks
36%synergy
Zulaport Cutthroat
37%inclusion122 decks334 decks
33%synergy
Tekuthal, Inquiry Dominus
36%inclusion120 decks334 decks
34%synergy
Hunted Phantasm
32%inclusion107 decks334 decks
31%synergy
Solemn Simulacrum
29%inclusion98 decks334 decks
17%synergy
Spark Double
29%inclusion98 decks334 decks
19%synergy
Drivnod, Carnage Dominus
29%inclusion96 decks334 decks
27%synergy
Dreamtide Whale
26%inclusion85 decks332 decks
24%synergy
Spitting Dilophosaurus
24%inclusion80 decks334 decks
23%synergy
Baleful Strix
22%inclusion75 decks334 decks
0%synergy
Crypt Ghast
22%inclusion73 decks334 decks
19%synergy
Massacre Girl
21%inclusion69 decks334 decks
18%synergy
Necroskitter
20%inclusion67 decks334 decks
19%synergy
Scheming Aspirant
20%inclusion67 decks334 decks
19%synergy
Pitiless Plunderer
18%inclusion61 decks334 decks
15%synergy
Hullbreaker Horror
16%inclusion53 decks334 decks
0%synergy
Deepglow Skate
16%inclusion53 decks334 decks
15%synergy
Dauthi Voidwalker
16%inclusion52 decks334 decks
3%synergy
Blightbelly Rat
16%inclusion52 decks334 decks
14%synergy
Burnished Hart
14%inclusion47 decks334 decks
11%synergy
Persistent Constrictor
14%inclusion46 decks330 decks
13%synergy
Voidwing Hybrid
13%inclusion45 decks334 decks
12%synergy
Fumulus, the Infestation
13%inclusion44 decks327 decks
13%synergy
Sakashima of a Thousand Faces
13%inclusion42 decks334 decks
8%synergy
Falkenrath Noble
12%inclusion41 decks334 decks
12%synergy
Braids, Arisen Nightmare
12%inclusion41 decks334 decks
9%synergy
Sheoldred, the Apocalypse
11%inclusion38 decks334 decks
7%synergy
Akroan Horse
11%inclusion36 decks334 decks
10%synergy
Grazilaxx, Illithid Scholar
11%inclusion36 decks334 decks
0%synergy
Yahenni, Undying Partisan
10%inclusion35 decks334 decks
10%synergy
Kels, Fight Fixer
10%inclusion33 decks334 decks
9%synergy
Hunted Horror
9.3%inclusion31 decks334 decks
6%synergy
Corrosive Mentor
9.0%inclusion30 decks334 decks
9%synergy
Viral Drake
8.7%inclusion29 decks334 decks
8%synergy
Vedalken Humiliator
8.4%inclusion28 decks334 decks
8%synergy
Guildpact Informant
8.4%inclusion28 decks334 decks
8%synergy
Sakashima the Impostor
7.8%inclusion26 decks334 decks
4%synergy
Hunted Bonebrute
7.8%inclusion26 decks334 decks
7%synergy
Gray Merchant of Asphodel
6.9%inclusion23 decks334 decks
-7%synergy
Plaguecrafter
6.9%inclusion23 decks334 decks
4%synergy
Sangromancer
6.9%inclusion23 decks334 decks
6%synergy
Sephiroth, Fabled SOLDIER
6.9%inclusion15 decks218 decks
6%synergy
Blightbeetle
6.6%inclusion22 decks334 decks
6%synergy
Instants
Negate
47%inclusion158 decks334 decks
15%synergy
Experimental Augury
38%inclusion128 decks334 decks
36%synergy
Sudden Spoiling
37%inclusion125 decks334 decks
35%synergy
An Offer You Can't Refuse
37%inclusion122 decks334 decks
7%synergy
Swan Song
35%inclusion116 decks334 decks
17%synergy
Whisper of the Dross
33%inclusion111 decks334 decks
32%synergy
Arcane Denial
32%inclusion106 decks334 decks
6%synergy
Mana Drain
28%inclusion92 decks334 decks
10%synergy
Pongify
25%inclusion83 decks334 decks
10%synergy
Brainstorm
23%inclusion77 decks334 decks
-8%synergy
Malakir Rebirth
22%inclusion73 decks334 decks
12%synergy
Steady Progress
22%inclusion72 decks334 decks
20%synergy
Withering Torment
20%inclusion66 decks330 decks
4%synergy
Fuel for the Cause
19%inclusion65 decks334 decks
18%synergy
Rapid Hybridization
18%inclusion60 decks334 decks
8%synergy
Reject Imperfection
18%inclusion60 decks334 decks
17%synergy
Grim Affliction
17%inclusion58 decks334 decks
16%synergy
Countersquall
16%inclusion52 decks334 decks
9%synergy
Radstorm
14%inclusion47 decks334 decks
13%synergy
Prologue to Phyresis
13%inclusion43 decks334 decks
11%synergy
Tragic Slip
12%inclusion39 decks334 decks
8%synergy
Infernal Grasp
11%inclusion38 decks334 decks
-5%synergy
Strix Serenade
11%inclusion37 decks332 decks
6%synergy
Cabal Ritual
11%inclusion36 decks334 decks
6%synergy
Vraska's Fall
10%inclusion32 decks334 decks
8%synergy
Feign Death
9.3%inclusion31 decks334 decks
7%synergy
Sink into Stupor
8.7%inclusion29 decks332 decks
-7%synergy
Serum Snare
8.7%inclusion29 decks334 decks
7%synergy
Drown in the Loch
8.4%inclusion28 decks334 decks
-10%synergy
Deadly Rollick
8.1%inclusion27 decks334 decks
-11%synergy
Resculpt
8.1%inclusion27 decks334 decks
1%synergy
Fell the Profane
7.8%inclusion26 decks332 decks
-8%synergy
Village Rites
7.8%inclusion26 decks334 decks
1%synergy
Force of Despair
7.5%inclusion25 decks334 decks
4%synergy
Mana Leak
7.2%inclusion24 decks334 decks
4%synergy
Stinging Study
6.9%inclusion23 decks334 decks
6%synergy
Supernatural Stamina
6.9%inclusion23 decks334 decks
5%synergy
Dispel
6.9%inclusion23 decks334 decks
1%synergy
Dramatic Reversal
6.6%inclusion22 decks334 decks
3%synergy
Spell Pierce
6.3%inclusion21 decks334 decks
0%synergy
Culling the Weak
6.0%inclusion20 decks334 decks
4%synergy
Force of Negation
6.0%inclusion20 decks334 decks
-4%synergy
Deadly Dispute
6.0%inclusion20 decks334 decks
-1%synergy
Dismember
6.0%inclusion20 decks334 decks
0%synergy
Waterlogged Teachings
5.7%inclusion19 decks332 decks
-6%synergy
Daze
5.7%inclusion19 decks334 decks
5%synergy
Not Dead After All
5.4%inclusion18 decks334 decks
3%synergy
Sheoldred's Edict
5.4%inclusion18 decks334 decks
1%synergy
Wash Away
5.4%inclusion18 decks334 decks
3%synergy
Muddle the Mixture
5.1%inclusion17 decks334 decks
0%synergy
Sorceries
Feed the Swarm
45%inclusion150 decks334 decks
9%synergy
Contentious Plan
39%inclusion131 decks334 decks
37%synergy
Drown in Ichor
38%inclusion127 decks334 decks
36%synergy
Curse of the Swine
27%inclusion91 decks334 decks
24%synergy
Reanimate
24%inclusion80 decks334 decks
0%synergy
Black Sun's Zenith
19%inclusion63 decks334 decks
16%synergy
Diabolic Tutor
17%inclusion58 decks334 decks
11%synergy
Ravenform
17%inclusion56 decks334 decks
14%synergy
Sign in Blood
15%inclusion51 decks334 decks
9%synergy
Asinine Antics
14%inclusion48 decks334 decks
13%synergy
Victimize
14%inclusion48 decks334 decks
1%synergy
Rise of the Dark Realms
14%inclusion46 decks334 decks
4%synergy
Night's Whisper
13%inclusion42 decks334 decks
6%synergy
Ponder
12%inclusion41 decks334 decks
-4%synergy
Damnation
12%inclusion39 decks334 decks
1%synergy
Infectious Inquiry
10%inclusion33 decks334 decks
8%synergy
Read the Bones
10%inclusion32 decks334 decks
6%synergy
Dread Return
9.3%inclusion31 decks334 decks
3%synergy
Preordain
9.0%inclusion30 decks334 decks
-1%synergy
Blasphemous Edict
8.9%inclusion29 decks327 decks
2%synergy
Diabolic Intent
8.7%inclusion29 decks334 decks
3%synergy
Mutilate
8.4%inclusion28 decks334 decks
8%synergy
Vat Emergence
8.1%inclusion27 decks334 decks
7%synergy
Phyresis Outbreak
8.1%inclusion27 decks334 decks
7%synergy
Irenicus's Vile Duplication
8.1%inclusion27 decks334 decks
2%synergy
Grim Tutor
7.8%inclusion26 decks334 decks
4%synergy
Windfall
6.6%inclusion22 decks334 decks
-7%synergy
Torment of Hailfire
6.3%inclusion21 decks334 decks
4%synergy
In Garruk's Wake
5.7%inclusion19 decks334 decks
0%synergy
Exsanguinate
5.4%inclusion18 decks334 decks
3%synergy
Spread the Sickness
5.1%inclusion17 decks334 decks
5%synergy
Profane Tutor
5.1%inclusion17 decks334 decks
3%synergy
Inevitable Betrayal
5.1%inclusion17 decks334 decks
4%synergy
Utility Artifacts
Contagion Clasp
34%inclusion115 decks334 decks
33%synergy
Contagion Engine
31%inclusion103 decks334 decks
30%synergy
Jet Medallion
25%inclusion83 decks334 decks
17%synergy
Genesis Chamber
24%inclusion81 decks334 decks
24%synergy
Kormus Bell
22%inclusion75 decks334 decks
22%synergy
Ashnod's Altar
22%inclusion74 decks334 decks
15%synergy
Wayfarer's Bauble
15%inclusion51 decks334 decks
1%synergy
Mithril Coat
13%inclusion42 decks334 decks
9%synergy
Phyrexian Altar
10%inclusion35 decks334 decks
5%synergy
Helm of the Host
8.7%inclusion29 decks334 decks
6%synergy
Sword of Truth and Justice
7.8%inclusion26 decks334 decks
7%synergy
The Darkness Crystal
7.4%inclusion16 decks217 decks
3%synergy
Expedition Map
7.2%inclusion24 decks334 decks
5%synergy
Neurok Stealthsuit
6.3%inclusion21 decks334 decks
5%synergy
Bontu's Monument
6.0%inclusion20 decks334 decks
2%synergy
Whispersilk Cloak
6.0%inclusion20 decks334 decks
-1%synergy
Wishclaw Talisman
5.7%inclusion19 decks334 decks
1%synergy
Sapphire Medallion
5.7%inclusion19 decks334 decks
-1%synergy
Isochron Scepter
5.7%inclusion19 decks334 decks
3%synergy
Enchantments
The Meathook Massacre
44%inclusion147 decks334 decks
39%synergy
Propaganda
40%inclusion132 decks334 decks
24%synergy
Revel in Riches
33%inclusion109 decks334 decks
31%synergy
Phyrexian Arena
32%inclusion108 decks334 decks
19%synergy
Nest of Scarabs
26%inclusion88 decks334 decks
26%synergy
Grave Betrayal
19%inclusion63 decks334 decks
17%synergy
Kaya's Ghostform
18%inclusion61 decks334 decks
15%synergy
Mystic Remora
16%inclusion54 decks334 decks
0%synergy
Blowfly Infestation
13%inclusion44 decks334 decks
13%synergy
Bastion of Remembrance
13%inclusion42 decks334 decks
10%synergy
Crumbling Ashes
12%inclusion40 decks334 decks
11%synergy
Black Market Connections
11%inclusion38 decks334 decks
1%synergy
Witness Protection
10%inclusion34 decks334 decks
8%synergy
Diplomatic Immunity
10%inclusion34 decks334 decks
9%synergy
Dictate of Erebos
9.3%inclusion31 decks334 decks
6%synergy
Grave Pact
8.7%inclusion29 decks334 decks
3%synergy
Meathook Massacre II
8.5%inclusion28 decks330 decks
7%synergy
Amphibian Downpour
8.4%inclusion28 decks332 decks
6%synergy
Infernal Genesis
8.4%inclusion28 decks334 decks
8%synergy
Animate Dead
6.6%inclusion22 decks334 decks
-5%synergy
Imprisoned in the Moon
5.4%inclusion18 decks334 decks
2%synergy
Blessing of Leeches
5.4%inclusion18 decks334 decks
5%synergy
Gift of Doom
5.1%inclusion17 decks334 decks
5%synergy
Virtue of Persistence
5.1%inclusion17 decks334 decks
2%synergy
Planeswalkers
Vraska, Betrayal's Sting
32%inclusion107 decks334 decks
30%synergy
Liliana, Dreadhorde General
5.1%inclusion17 decks334 decks
0%synergy
Ashiok, Dream Render
5.1%inclusion17 decks334 decks
-1%synergy
Utility Lands
Reliquary Tower
58%inclusion195 decks334 decks
22%synergy
Bojuka Bog
51%inclusion171 decks334 decks
12%synergy
Urborg, Tomb of Yawgmoth
41%inclusion138 decks334 decks
22%synergy
Cabal Coffers
29%inclusion98 decks334 decks
19%synergy
Temple of the False God
22%inclusion73 decks334 decks
12%synergy
Command Beacon
20%inclusion68 decks334 decks
16%synergy
Phyrexian Tower
18%inclusion60 decks334 decks
12%synergy
Rogue's Passage
14%inclusion48 decks334 decks
-13%synergy
Mystic Sanctuary
13%inclusion44 decks334 decks
-4%synergy
Otawara, Soaring City
12%inclusion41 decks334 decks
-6%synergy
Mortuary Mire
10%inclusion35 decks334 decks
2%synergy
Takenuma, Abandoned Mire
9.3%inclusion31 decks334 decks
-4%synergy
Mistrise Village
7.7%inclusion22 decks287 decks
4%synergy
Westvale Abbey
6.6%inclusion22 decks334 decks
6%synergy
Restless Reef
6.3%inclusion21 decks334 decks
-1%synergy
Creeping Tar Pit
6.0%inclusion20 decks334 decks
-3%synergy
Cabal Stronghold
5.7%inclusion19 decks334 decks
5%synergy
Castle Locthwain
5.4%inclusion18 decks334 decks
1%synergy
Urza's Saga
5.1%inclusion17 decks334 decks
-1%synergy
Mana Artifacts
Sol Ring
96%inclusion319 decks334 decks
7%synergy
Arcane Signet
89%inclusion296 decks334 decks
4%synergy
Talisman of Dominance
57%inclusion191 decks334 decks
-2%synergy
Dimir Signet
57%inclusion190 decks334 decks
-4%synergy
Thought Vessel
44%inclusion148 decks334 decks
12%synergy
Fellwar Stone
31%inclusion103 decks334 decks
0%synergy
Everflowing Chalice
31%inclusion102 decks334 decks
24%synergy
Mind Stone
30%inclusion100 decks334 decks
0%synergy
Commander's Sphere
27%inclusion90 decks334 decks
9%synergy
Thran Dynamo
26%inclusion88 decks334 decks
21%synergy
Worn Powerstone
13%inclusion43 decks334 decks
9%synergy
Charcoal Diamond
12%inclusion40 decks334 decks
4%synergy
Gilded Lotus
12%inclusion40 decks334 decks
9%synergy
Staff of Compleation
12%inclusion39 decks334 decks
11%synergy
Sky Diamond
11%inclusion38 decks334 decks
3%synergy
Midnight Clock
10%inclusion34 decks334 decks
3%synergy
Replicating Ring
9.3%inclusion31 decks334 decks
8%synergy
Hedron Archive
8.4%inclusion28 decks334 decks
6%synergy
Glistening Sphere
7.8%inclusion26 decks334 decks
7%synergy
Astral Cornucopia
7.5%inclusion25 decks334 decks
7%synergy
Decanter of Endless Water
6.0%inclusion20 decks334 decks
1%synergy
The Soul Stone
5.6%inclusion7 decks126 decks
0%synergy
Lands
Swamp
98%inclusion327 decks334 decks
2%synergy
Island
97%inclusion325 decks334 decks
1%synergy
Command Tower
90%inclusion299 decks334 decks
2%synergy
Sunken Hollow
72%inclusion242 decks334 decks
6%synergy
Drowned Catacomb
60%inclusion201 decks334 decks
8%synergy
Shipwreck Marsh
53%inclusion177 decks334 decks
13%synergy
Watery Grave
49%inclusion164 decks334 decks
3%synergy
Tainted Isle
45%inclusion149 decks334 decks
1%synergy
Choked Estuary
44%inclusion148 decks334 decks
-4%synergy
Dimir Aqueduct
41%inclusion136 decks334 decks
1%synergy
Darkwater Catacombs
38%inclusion126 decks334 decks
-2%synergy
Underground River
36%inclusion121 decks334 decks
-3%synergy
Morphic Pool
36%inclusion119 decks334 decks
-1%synergy
Temple of Deceit
34%inclusion113 decks334 decks
-3%synergy
Polluted Delta
32%inclusion108 decks334 decks
1%synergy
Exotic Orchard
32%inclusion107 decks334 decks
-1%synergy
Forbidden Orchard
30%inclusion100 decks334 decks
28%synergy
Clearwater Pathway
29%inclusion97 decks334 decks
4%synergy
Evolving Wilds
26%inclusion87 decks334 decks
9%synergy
Myriad Landscape
25%inclusion84 decks334 decks
2%synergy
Dismal Backwater
23%inclusion77 decks334 decks
7%synergy
Malakir Rebirth
22%inclusion73 decks334 decks
12%synergy
Gloomlake Verge
21%inclusion70 decks330 decks
-2%synergy
Fetid Pools
20%inclusion67 decks334 decks
4%synergy
Terramorphic Expanse
19%inclusion65 decks334 decks
8%synergy
Darkslick Shores
17%inclusion56 decks334 decks
3%synergy
Sunken Ruins
15%inclusion49 decks334 decks
0%synergy
Undercity Sewers
12%inclusion41 decks334 decks
-7%synergy
Contaminated Aquifer
11%inclusion37 decks334 decks
5%synergy
Fabled Passage
9.0%inclusion30 decks334 decks
1%synergy
Sink into Stupor
8.7%inclusion29 decks332 decks
-7%synergy
Dimir Guildgate
8.4%inclusion28 decks334 decks
2%synergy
Fell the Profane
7.8%inclusion26 decks332 decks
-8%synergy
Path of Ancestry
7.8%inclusion26 decks334 decks
-20%synergy
Jwar Isle Refuge
7.5%inclusion25 decks334 decks
2%synergy
Underground Sea
7.5%inclusion25 decks334 decks
-5%synergy
Verdant Catacombs
6.6%inclusion22 decks334 decks
-1%synergy
Cavern of Souls
6.3%inclusion21 decks334 decks
-3%synergy
Flooded Strand
6.3%inclusion21 decks334 decks
-3%synergy
Waterlogged Teachings
5.7%inclusion19 decks332 decks
-6%synergy
Ice Tunnel
5.4%inclusion18 decks334 decks
0%synergy
Bloodstained Mire
5.4%inclusion18 decks334 decks
-3%synergy
Marsh Flats
5.4%inclusion18 decks334 decks
-3%synergy
Waterfront District
5.1%inclusion17 decks334 decks
2%synergy
Reflecting Pool
5.1%inclusion17 decks334 decks
0%synergy
River of Tears
5.1%inclusion17 decks334 decks
-6%synergy
City of Brass
5.1%inclusion17 decks334 decks
-1%synergy