Toxrill, the Corrosive (Commander) - Core -1/-1 Counters

Alternate Names:

Gary, the SnailGary, the Snail

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
Villainous Wrath
20%inclusion1 decks5 decks
18%synergy
Spider-Man No More
20%inclusion1 decks5 decks
19%synergy
The Soul Stone
14%inclusion1 decks7 decks
10%synergy
Gwenom, Remorseless
14%inclusion1 decks7 decks
14%synergy
Multiversal Passage
11%inclusion1 decks9 decks
10%synergy
High Synergy Cards
Sludge Monster
83%inclusion30 decks36 decks
76%synergy
Thrummingbird
75%inclusion27 decks36 decks
72%synergy
Blood Artist
75%inclusion27 decks36 decks
71%synergy
Flux Channeler
61%inclusion22 decks36 decks
59%synergy
Tezzeret's Gambit
61%inclusion22 decks36 decks
58%synergy
Gisa, Glorious Resurrector
58%inclusion21 decks36 decks
55%synergy
Slaughter Specialist
56%inclusion20 decks36 decks
54%synergy
Mass Diminish
56%inclusion20 decks36 decks
54%synergy
Massacre Wurm
61%inclusion22 decks36 decks
53%synergy
Clackbridge Troll
53%inclusion19 decks36 decks
51%synergy
Top Cards
Swiftfoot Boots
64%inclusion23 decks36 decks
40%synergy
Dark Ritual
61%inclusion22 decks36 decks
27%synergy
Counterspell
61%inclusion22 decks36 decks
5%synergy
Negate
58%inclusion21 decks36 decks
26%synergy
Black Market
56%inclusion20 decks36 decks
50%synergy
Massacre Girl, Known Killer
53%inclusion17 decks32 decks
50%synergy
Whisper of the Dross
53%inclusion19 decks36 decks
51%synergy
Contentious Plan
53%inclusion19 decks36 decks
51%synergy
Flatline
53%inclusion19 decks36 decks
51%synergy
Morbid Opportunist
50%inclusion18 decks36 decks
46%synergy
Game Changers
Rhystic Study
5.6%inclusion2 decks36 decks
-19%synergy
Creatures
Maha, Its Feathers Night
48%inclusion14 decks29 decks
45%synergy
Mirkwood Bats
47%inclusion17 decks36 decks
42%synergy
Tekuthal, Inquiry Dominus
47%inclusion17 decks36 decks
45%synergy
Syr Konrad, the Grim
44%inclusion16 decks36 decks
31%synergy
Ayara, First of Locthwain
44%inclusion16 decks36 decks
41%synergy
Drivnod, Carnage Dominus
39%inclusion14 decks36 decks
37%synergy
Spark Double
39%inclusion14 decks36 decks
28%synergy
Hunted Phantasm
36%inclusion13 decks36 decks
35%synergy
Spitting Dilophosaurus
34%inclusion12 decks35 decks
33%synergy
Solemn Simulacrum
33%inclusion12 decks36 decks
21%synergy
Zulaport Cutthroat
33%inclusion12 decks36 decks
30%synergy
Scheming Aspirant
33%inclusion12 decks36 decks
32%synergy
Deepglow Skate
28%inclusion10 decks36 decks
27%synergy
Dreamtide Whale
27%inclusion8 decks30 decks
25%synergy
Guildpact Informant
25%inclusion9 decks36 decks
24%synergy
Falkenrath Noble
25%inclusion9 decks36 decks
24%synergy
Necroskitter
25%inclusion9 decks36 decks
24%synergy
Grazilaxx, Illithid Scholar
25%inclusion9 decks36 decks
14%synergy
Baleful Strix
22%inclusion8 decks36 decks
0%synergy
Yawgmoth, Thran Physician
19%inclusion7 decks36 decks
18%synergy
Voidwing Hybrid
17%inclusion6 decks36 decks
16%synergy
Viral Drake
17%inclusion6 decks36 decks
16%synergy
Massacre Girl
17%inclusion6 decks36 decks
14%synergy
Crypt Ghast
17%inclusion6 decks36 decks
14%synergy
Persistent Constrictor
14%inclusion4 decks28 decks
14%synergy
Fumulus, the Infestation
14%inclusion4 decks28 decks
14%synergy
Sangromancer
14%inclusion5 decks36 decks
13%synergy
Blightbelly Rat
14%inclusion5 decks36 decks
13%synergy
Blightbeetle
14%inclusion5 decks36 decks
14%synergy
Sephiroth, Fabled SOLDIER
13%inclusion2 decks15 decks
12%synergy
Sephiroth, Planet's Heir
13%inclusion3 decks23 decks
12%synergy
Vein Ripper
13%inclusion4 decks32 decks
11%synergy
Zenos yae Galvus
13%inclusion2 decks16 decks
11%synergy
Ogre Slumlord
11%inclusion4 decks36 decks
9%synergy
Vedalken Humiliator
11%inclusion4 decks36 decks
11%synergy
Corrosive Mentor
11%inclusion4 decks36 decks
11%synergy
Akroan Horse
11%inclusion4 decks36 decks
11%synergy
Pitiless Plunderer
11%inclusion4 decks36 decks
8%synergy
Midnight Banshee
11%inclusion4 decks36 decks
11%synergy
Braids, Arisen Nightmare
11%inclusion4 decks36 decks
8%synergy
Yahenni, Undying Partisan
11%inclusion4 decks36 decks
10%synergy
Kels, Fight Fixer
11%inclusion4 decks36 decks
11%synergy
Hunted Bonebrute
9.4%inclusion3 decks32 decks
9%synergy
Core Prowler
8.3%inclusion3 decks36 decks
8%synergy
Priest of Forgotten Gods
8.3%inclusion3 decks36 decks
7%synergy
Roaming Throne
8.3%inclusion3 decks36 decks
-5%synergy
Nadir Kraken
8.3%inclusion3 decks36 decks
7%synergy
Chasm Skulker
8.3%inclusion3 decks36 decks
4%synergy
Sakashima of a Thousand Faces
8.3%inclusion3 decks36 decks
3%synergy
Deathgreeter
8.3%inclusion3 decks36 decks
8%synergy
Instants
Polymorphist's Jest
50%inclusion18 decks36 decks
48%synergy
Experimental Augury
47%inclusion17 decks36 decks
45%synergy
Sudden Spoiling
39%inclusion14 decks36 decks
36%synergy
Steady Progress
36%inclusion13 decks36 decks
35%synergy
An Offer You Can't Refuse
31%inclusion11 decks36 decks
1%synergy
Feign Death
25%inclusion9 decks36 decks
23%synergy
Grim Affliction
22%inclusion8 decks36 decks
21%synergy
Countersquall
22%inclusion8 decks36 decks
16%synergy
Reject Imperfection
19%inclusion7 decks36 decks
18%synergy
Not Dead After All
19%inclusion7 decks36 decks
17%synergy
Arcane Denial
19%inclusion7 decks36 decks
-6%synergy
Brainstorm
17%inclusion6 decks36 decks
-14%synergy
Fuel for the Cause
17%inclusion6 decks36 decks
16%synergy
Wash Away
17%inclusion6 decks36 decks
15%synergy
Serum Snare
17%inclusion6 decks36 decks
15%synergy
Prologue to Phyresis
14%inclusion5 decks36 decks
12%synergy
Dispel
14%inclusion5 decks36 decks
7%synergy
Radstorm
14%inclusion5 decks36 decks
13%synergy
Spell Pierce
14%inclusion5 decks36 decks
8%synergy
Vraska's Fall
11%inclusion4 decks36 decks
9%synergy
Village Rites
11%inclusion4 decks36 decks
4%synergy
Cabal Ritual
11%inclusion4 decks36 decks
6%synergy
Swan Song
11%inclusion4 decks36 decks
-7%synergy
Infernal Grasp
11%inclusion4 decks36 decks
-5%synergy
Malakir Rebirth
11%inclusion4 decks36 decks
2%synergy
Withering Torment
11%inclusion3 decks28 decks
-6%synergy
Whoosh!
10%inclusion1 decks10 decks
9%synergy
Archenemy's Charm
9.1%inclusion1 decks11 decks
8%synergy
Unravel
9.1%inclusion1 decks11 decks
9%synergy
Hero's Downfall
8.3%inclusion3 decks36 decks
5%synergy
Pongify
8.3%inclusion3 decks36 decks
-6%synergy
Rapid Hybridization
8.3%inclusion3 decks36 decks
-2%synergy
Go for the Throat
8.3%inclusion3 decks36 decks
-8%synergy
Snuff Out
8.3%inclusion3 decks36 decks
3%synergy
Fact or Fiction
8.3%inclusion3 decks36 decks
-3%synergy
Resculpt
8.3%inclusion3 decks36 decks
1%synergy
Alchemist's Retrieval
8.3%inclusion3 decks36 decks
8%synergy
Murder
8.3%inclusion3 decks36 decks
1%synergy
Into the Roil
8.3%inclusion3 decks36 decks
8%synergy
Neutralize
8.3%inclusion3 decks36 decks
8%synergy
Mana Leak
8.3%inclusion3 decks36 decks
5%synergy
Behold the Multiverse
8.3%inclusion3 decks36 decks
8%synergy
Tragic Slip
8.3%inclusion3 decks36 decks
4%synergy
Dismember
8.3%inclusion3 decks36 decks
2%synergy
Overkill
7.1%inclusion1 decks14 decks
4%synergy
Swallowed by Leviathan
7.1%inclusion1 decks14 decks
5%synergy
Magic Damper
7.1%inclusion1 decks14 decks
6%synergy
Long River's Pull
6.9%inclusion2 decks29 decks
5%synergy
Fell the Profane
6.7%inclusion2 decks30 decks
-9%synergy
Strix Serenade
6.7%inclusion2 decks30 decks
2%synergy
Sorceries
Drown in Ichor
47%inclusion17 decks36 decks
45%synergy
Feed the Swarm
33%inclusion12 decks36 decks
-3%synergy
Sign in Blood
28%inclusion10 decks36 decks
22%synergy
Curse of the Swine
25%inclusion9 decks36 decks
22%synergy
Toxic Deluge
25%inclusion9 decks36 decks
-1%synergy
Ravenform
25%inclusion9 decks36 decks
22%synergy
Asinine Antics
19%inclusion7 decks36 decks
18%synergy
Read the Bones
19%inclusion7 decks36 decks
15%synergy
Reanimate
17%inclusion6 decks36 decks
-7%synergy
Black Sun's Zenith
14%inclusion5 decks36 decks
12%synergy
Vat Emergence
14%inclusion5 decks36 decks
13%synergy
Night's Whisper
14%inclusion5 decks36 decks
8%synergy
Irenicus's Vile Duplication
14%inclusion5 decks36 decks
8%synergy
Ponder
11%inclusion4 decks36 decks
-5%synergy
Spread the Sickness
11%inclusion4 decks36 decks
11%synergy
Diabolic Tutor
11%inclusion4 decks36 decks
4%synergy
Victimize
11%inclusion4 decks36 decks
-2%synergy
Infectious Inquiry
11%inclusion4 decks36 decks
10%synergy
In Garruk's Wake
11%inclusion4 decks36 decks
6%synergy
Vivisurgeon's Insight
11%inclusion4 decks36 decks
10%synergy
Risky Research
10%inclusion1 decks10 decks
9%synergy
Singularity Rupture
9.1%inclusion1 decks11 decks
-2%synergy
Tragic Trajectory
9.1%inclusion1 decks11 decks
9%synergy
Incremental Blight
8.3%inclusion3 decks36 decks
8%synergy
Profane Tutor
8.3%inclusion3 decks36 decks
7%synergy
Phyresis Outbreak
8.3%inclusion3 decks36 decks
7%synergy
Mutilate
8.3%inclusion3 decks36 decks
8%synergy
Decree of Pain
8.3%inclusion3 decks36 decks
5%synergy
Preordain
8.3%inclusion3 decks36 decks
-2%synergy
Bubbling Muck
5.6%inclusion2 decks36 decks
5%synergy
Liliana's Influence
5.6%inclusion2 decks36 decks
5%synergy
Caress of Phyrexia
5.6%inclusion2 decks36 decks
5%synergy
Aether Gale
5.6%inclusion2 decks36 decks
5%synergy
Nanogene Conversion
5.6%inclusion2 decks36 decks
3%synergy
Damnation
5.6%inclusion2 decks36 decks
-5%synergy
Rise of the Dark Realms
5.6%inclusion2 decks36 decks
-4%synergy
Utility Artifacts
Contagion Clasp
44%inclusion16 decks36 decks
43%synergy
Skullclamp
44%inclusion16 decks36 decks
35%synergy
Lightning Greaves
44%inclusion16 decks36 decks
17%synergy
Genesis Chamber
39%inclusion14 decks36 decks
38%synergy
Contagion Engine
33%inclusion12 decks36 decks
32%synergy
Kormus Bell
17%inclusion6 decks36 decks
16%synergy
Ashnod's Altar
14%inclusion5 decks36 decks
6%synergy
Dragon Throne of Tarkir
14%inclusion5 decks36 decks
14%synergy
Mithril Coat
11%inclusion4 decks36 decks
7%synergy
Vat of Rebirth
8.3%inclusion3 decks36 decks
7%synergy
Wayfarer's Bauble
8.3%inclusion3 decks36 decks
-6%synergy
Helm of the Host
8.3%inclusion3 decks36 decks
6%synergy
Whispersilk Cloak
8.3%inclusion3 decks36 decks
2%synergy
Darksteel Plate
8.3%inclusion3 decks36 decks
8%synergy
Jet Medallion
8.3%inclusion3 decks36 decks
1%synergy
The Masamune
7.1%inclusion1 decks14 decks
6%synergy
The Darkness Crystal
6.7%inclusion1 decks15 decks
3%synergy
Recon Craft Theta
6.5%inclusion2 decks31 decks
6%synergy
Blight Sickle
5.6%inclusion2 decks36 decks
6%synergy
Serrated Arrows
5.6%inclusion2 decks36 decks
5%synergy
Transmogrifying Wand
5.6%inclusion2 decks36 decks
5%synergy
Bontu's Monument
5.6%inclusion2 decks36 decks
2%synergy
Eldrazi Monument
5.6%inclusion2 decks36 decks
5%synergy
Neurok Stealthsuit
5.6%inclusion2 decks36 decks
4%synergy
Strionic Resonator
5.6%inclusion2 decks36 decks
2%synergy
Dowsing Dagger
5.6%inclusion2 decks36 decks
4%synergy
Grafted Exoskeleton
5.6%inclusion2 decks36 decks
5%synergy
Enchantments
Inexorable Tide
50%inclusion18 decks36 decks
48%synergy
Grave Betrayal
31%inclusion11 decks36 decks
29%synergy
Propaganda
25%inclusion9 decks36 decks
9%synergy
The Meathook Massacre
22%inclusion8 decks36 decks
17%synergy
Nest of Scarabs
19%inclusion7 decks36 decks
19%synergy
Blowfly Infestation
19%inclusion7 decks36 decks
19%synergy
Kaya's Ghostform
19%inclusion7 decks36 decks
17%synergy
Revel in Riches
19%inclusion7 decks36 decks
18%synergy
Bastion of Remembrance
17%inclusion6 decks36 decks
14%synergy
Meathook Massacre II
14%inclusion4 decks28 decks
13%synergy
Mesmerizing Dose
14%inclusion5 decks36 decks
13%synergy
Gift of Doom
14%inclusion5 decks36 decks
13%synergy
Crumbling Ashes
14%inclusion5 decks36 decks
13%synergy
Phyrexian Arena
14%inclusion5 decks36 decks
1%synergy
Eaten by Piranhas
11%inclusion4 decks35 decks
9%synergy
Robe of Mirrors
11%inclusion4 decks36 decks
11%synergy
Diplomatic Immunity
11%inclusion4 decks36 decks
10%synergy
Frogify
8.3%inclusion3 decks36 decks
8%synergy
Necrosynthesis
8.3%inclusion3 decks36 decks
8%synergy
Grave Pact
8.3%inclusion3 decks36 decks
3%synergy
Mystic Remora
8.3%inclusion3 decks36 decks
-8%synergy
Blessing of Leeches
8.3%inclusion3 decks36 decks
8%synergy
Screams from Within
8.3%inclusion3 decks36 decks
8%synergy
Infernal Genesis
8.3%inclusion3 decks36 decks
8%synergy
Kindred Discovery
5.6%inclusion2 decks36 decks
-8%synergy
Dreadhorde Invasion
5.6%inclusion2 decks36 decks
0%synergy
Sadistic Obsession
5.6%inclusion2 decks36 decks
6%synergy
Dictate of Erebos
5.6%inclusion2 decks36 decks
3%synergy
Eternal Thirst
5.6%inclusion2 decks36 decks
5%synergy
Kasmina's Transmutation
5.6%inclusion2 decks36 decks
5%synergy
No Mercy
5.6%inclusion2 decks36 decks
3%synergy
Corrupted Conscience
5.6%inclusion2 decks36 decks
5%synergy
Revenge of Ravens
5.6%inclusion2 decks36 decks
5%synergy
Alexi's Cloak
5.6%inclusion2 decks36 decks
5%synergy
Virtue of Persistence
5.6%inclusion2 decks36 decks
3%synergy
Necrogen Communion
5.6%inclusion2 decks36 decks
5%synergy
Planeswalkers
Vraska, Betrayal's Sting
33%inclusion12 decks36 decks
32%synergy
Liliana, Death Wielder
11%inclusion4 decks36 decks
11%synergy
Utility Lands
Reliquary Tower
44%inclusion16 decks36 decks
8%synergy
Karn's Bastion
42%inclusion15 decks36 decks
39%synergy
Bojuka Bog
36%inclusion13 decks36 decks
-3%synergy
Urborg, Tomb of Yawgmoth
19%inclusion7 decks36 decks
0%synergy
Temple of the False God
17%inclusion6 decks36 decks
7%synergy
Midgar, City of Mako
14%inclusion2 decks14 decks
11%synergy
Rogue's Passage
14%inclusion5 decks36 decks
-14%synergy
Westvale Abbey
11%inclusion4 decks36 decks
10%synergy
Restless Reef
8.6%inclusion3 decks35 decks
1%synergy
Cabal Coffers
8.3%inclusion3 decks36 decks
-3%synergy
Cabal Stronghold
5.6%inclusion2 decks36 decks
5%synergy
Phyrexian Tower
5.6%inclusion2 decks36 decks
0%synergy
Command Beacon
5.6%inclusion2 decks36 decks
1%synergy
Otawara, Soaring City
5.6%inclusion2 decks36 decks
-13%synergy
Mana Artifacts
Sol Ring
83%inclusion30 decks36 decks
-5%synergy
Arcane Signet
75%inclusion27 decks36 decks
-9%synergy
Dimir Signet
56%inclusion20 decks36 decks
-6%synergy
Talisman of Dominance
50%inclusion18 decks36 decks
-9%synergy
Thought Vessel
47%inclusion17 decks36 decks
15%synergy
Everflowing Chalice
36%inclusion13 decks36 decks
30%synergy
Charcoal Diamond
28%inclusion10 decks36 decks
19%synergy
Fellwar Stone
28%inclusion10 decks36 decks
-3%synergy
Mind Stone
28%inclusion10 decks36 decks
-3%synergy
Commander's Sphere
25%inclusion9 decks36 decks
6%synergy
Sky Diamond
25%inclusion9 decks36 decks
16%synergy
Thran Dynamo
19%inclusion7 decks36 decks
14%synergy
Prismatic Lens
17%inclusion6 decks36 decks
15%synergy
Replicating Ring
14%inclusion5 decks36 decks
12%synergy
Heraldic Banner
14%inclusion5 decks36 decks
11%synergy
Midnight Clock
14%inclusion5 decks36 decks
6%synergy
Staff of Compleation
11%inclusion4 decks36 decks
10%synergy
Crowded Crypt
11%inclusion4 decks36 decks
6%synergy
Worn Powerstone
11%inclusion4 decks36 decks
8%synergy
Dreamstone Hedron
8.3%inclusion3 decks36 decks
8%synergy
Glistening Sphere
8.3%inclusion3 decks36 decks
8%synergy
Hedron Archive
8.3%inclusion3 decks36 decks
6%synergy
Dimir Locket
8.3%inclusion3 decks36 decks
5%synergy
Decanter of Endless Water
8.3%inclusion3 decks36 decks
3%synergy
Gilded Lotus
8.3%inclusion3 decks36 decks
5%synergy
Liquimetal Torque
8.3%inclusion3 decks36 decks
6%synergy
Chromatic Lantern
5.6%inclusion2 decks36 decks
3%synergy
Sol Talisman
5.6%inclusion2 decks36 decks
5%synergy
Darksteel Ingot
5.6%inclusion2 decks36 decks
5%synergy
Fractured Powerstone
5.6%inclusion2 decks36 decks
5%synergy
Phyrexian Atlas
5.6%inclusion2 decks36 decks
5%synergy
Firemind Vessel
5.6%inclusion2 decks36 decks
5%synergy
Lands
Swamp
100%inclusion36 decks36 decks
4%synergy
Island
100%inclusion36 decks36 decks
3%synergy
Command Tower
89%inclusion32 decks36 decks
1%synergy
Sunken Hollow
69%inclusion25 decks36 decks
3%synergy
Drowned Catacomb
56%inclusion20 decks36 decks
4%synergy
Tainted Isle
50%inclusion18 decks36 decks
6%synergy
Choked Estuary
47%inclusion17 decks36 decks
-1%synergy
Myriad Landscape
42%inclusion15 decks36 decks
18%synergy
Temple of Deceit
42%inclusion15 decks36 decks
5%synergy
Dimir Aqueduct
42%inclusion15 decks36 decks
2%synergy
Shipwreck Marsh
42%inclusion15 decks36 decks
2%synergy
Dismal Backwater
42%inclusion15 decks36 decks
26%synergy
Darkwater Catacombs
39%inclusion14 decks36 decks
-1%synergy
Underground River
36%inclusion13 decks36 decks
-3%synergy
Terramorphic Expanse
31%inclusion11 decks36 decks
19%synergy
Exotic Orchard
31%inclusion11 decks36 decks
-3%synergy
Evolving Wilds
28%inclusion10 decks36 decks
11%synergy
Forbidden Orchard
25%inclusion9 decks36 decks
23%synergy
Watery Grave
25%inclusion9 decks36 decks
-21%synergy
Dimir Guildgate
22%inclusion8 decks36 decks
15%synergy
Morphic Pool
22%inclusion8 decks36 decks
-15%synergy
Jwar Isle Refuge
19%inclusion7 decks36 decks
13%synergy
Clearwater Pathway
17%inclusion6 decks36 decks
-8%synergy
Fetid Pools
14%inclusion5 decks36 decks
-2%synergy
Darkslick Shores
14%inclusion5 decks36 decks
0%synergy
Contaminated Aquifer
14%inclusion5 decks36 decks
7%synergy
Submerged Boneyard
14%inclusion5 decks36 decks
9%synergy
Ash Barrens
11%inclusion4 decks36 decks
5%synergy
Malakir Rebirth
11%inclusion4 decks36 decks
2%synergy
Path of Ancestry
11%inclusion4 decks36 decks
-17%synergy
Polluted Delta
11%inclusion4 decks36 decks
-20%synergy
Gloomlake Verge
11%inclusion3 decks28 decks
-12%synergy
Soured Springs
10%inclusion3 decks31 decks
6%synergy
Ice Tunnel
8.3%inclusion3 decks36 decks
3%synergy
Fell the Profane
6.7%inclusion2 decks30 decks
-9%synergy
Starting Town
6.7%inclusion1 decks15 decks
5%synergy
Undercity Sewers
6.3%inclusion2 decks32 decks
-13%synergy
Fabled Passage
5.6%inclusion2 decks36 decks
-3%synergy
Waterfront District
5.6%inclusion2 decks36 decks
2%synergy
Mistvault Bridge
5.6%inclusion2 decks36 decks
1%synergy
Mirrex
5.6%inclusion2 decks36 decks
5%synergy
Reflecting Pool
5.6%inclusion2 decks36 decks
0%synergy
River of Tears
5.6%inclusion2 decks36 decks
-6%synergy
Glasspool Mimic
5.6%inclusion2 decks36 decks
-1%synergy
Sunken Ruins
5.6%inclusion2 decks36 decks
-9%synergy