Gary, the Snail (Commander) - Optimized -1/-1 Counters

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
The Soul Stone
4.8%inclusion1 decks21 decks
0%synergy
High Synergy Cards
Maha, Its Feathers Night
72%inclusion42 decks58 decks
69%synergy
Sludge Monster
76%inclusion44 decks58 decks
68%synergy
Polymorphist's Jest
64%inclusion37 decks58 decks
62%synergy
The Meathook Massacre
66%inclusion38 decks58 decks
60%synergy
Black Market
66%inclusion38 decks58 decks
60%synergy
Massacre Wurm
67%inclusion39 decks58 decks
59%synergy
Blood Artist
62%inclusion36 decks58 decks
58%synergy
Massacre Girl, Known Killer
60%inclusion35 decks58 decks
57%synergy
Mass Diminish
59%inclusion34 decks58 decks
57%synergy
Karn's Bastion
59%inclusion34 decks58 decks
56%synergy
Top Cards
Dark Ritual
84%inclusion49 decks58 decks
50%synergy
Counterspell
81%inclusion47 decks58 decks
25%synergy
Lightning Greaves
67%inclusion39 decks58 decks
40%synergy
Toxic Deluge
64%inclusion37 decks58 decks
38%synergy
Skullclamp
59%inclusion34 decks58 decks
49%synergy
Flatline
55%inclusion32 decks58 decks
53%synergy
Swan Song
53%inclusion31 decks58 decks
36%synergy
Thrummingbird
53%inclusion31 decks58 decks
50%synergy
Mana Drain
52%inclusion30 decks58 decks
34%synergy
Yawgmoth, Thran Physician
52%inclusion30 decks58 decks
50%synergy
Game Changers
Rhystic Study
62%inclusion36 decks58 decks
37%synergy
Demonic Tutor
60%inclusion35 decks58 decks
40%synergy
Vampiric Tutor
50%inclusion29 decks58 decks
33%synergy
Cyclonic Rift
50%inclusion29 decks58 decks
25%synergy
Fierce Guardianship
47%inclusion27 decks58 decks
27%synergy
Ancient Tomb
40%inclusion23 decks58 decks
31%synergy
Bolas's Citadel
34%inclusion20 decks58 decks
29%synergy
Mana Vault
33%inclusion19 decks58 decks
27%synergy
Orcish Bowmasters
31%inclusion18 decks58 decks
23%synergy
Opposition Agent
31%inclusion18 decks58 decks
22%synergy
Creatures
Mirkwood Bats
48%inclusion28 decks58 decks
43%synergy
Ayara, First of Locthwain
45%inclusion26 decks58 decks
42%synergy
Gisa, Glorious Resurrector
45%inclusion26 decks58 decks
42%synergy
Morbid Opportunist
41%inclusion24 decks58 decks
38%synergy
Zulaport Cutthroat
41%inclusion24 decks58 decks
38%synergy
Slaughter Specialist
41%inclusion24 decks58 decks
40%synergy
Drivnod, Carnage Dominus
40%inclusion23 decks58 decks
38%synergy
Flux Channeler
38%inclusion22 decks58 decks
35%synergy
Tekuthal, Inquiry Dominus
36%inclusion21 decks58 decks
34%synergy
Clackbridge Troll
36%inclusion21 decks58 decks
35%synergy
Dauthi Voidwalker
36%inclusion21 decks58 decks
24%synergy
Syr Konrad, the Grim
34%inclusion20 decks58 decks
21%synergy
Crypt Ghast
34%inclusion20 decks58 decks
32%synergy
Notion Thief
33%inclusion19 decks58 decks
21%synergy
Necroskitter
26%inclusion15 decks58 decks
25%synergy
Spark Double
26%inclusion15 decks58 decks
15%synergy
Spitting Dilophosaurus
24%inclusion14 decks58 decks
23%synergy
Thassa's Oracle
24%inclusion14 decks58 decks
15%synergy
Sakashima of a Thousand Faces
24%inclusion14 decks58 decks
19%synergy
Baleful Strix
22%inclusion13 decks58 decks
0%synergy
Talion, the Kindly Lord
22%inclusion13 decks58 decks
15%synergy
Hunted Phantasm
22%inclusion13 decks58 decks
21%synergy
Solemn Simulacrum
21%inclusion12 decks58 decks
8%synergy
Pitiless Plunderer
21%inclusion12 decks58 decks
18%synergy
Sheoldred, the Apocalypse
19%inclusion11 decks58 decks
14%synergy
Dreamtide Whale
19%inclusion11 decks58 decks
17%synergy
Persistent Constrictor
18%inclusion10 decks57 decks
17%synergy
Massacre Girl
17%inclusion10 decks58 decks
14%synergy
Scheming Aspirant
17%inclusion10 decks58 decks
16%synergy
Deepglow Skate
17%inclusion10 decks58 decks
17%synergy
Faerie Mastermind
16%inclusion9 decks58 decks
5%synergy
Hullbreaker Horror
16%inclusion9 decks58 decks
0%synergy
Braids, Arisen Nightmare
16%inclusion9 decks58 decks
13%synergy
Fumulus, the Infestation
14%inclusion8 decks57 decks
14%synergy
Sheoldred, Whispering One
14%inclusion8 decks58 decks
8%synergy
Guildpact Informant
12%inclusion7 decks58 decks
11%synergy
Corrosive Mentor
12%inclusion7 decks58 decks
12%synergy
Blightbelly Rat
12%inclusion7 decks58 decks
11%synergy
Vein Ripper
12%inclusion7 decks58 decks
11%synergy
Sephiroth, Fabled SOLDIER
11%inclusion4 decks38 decks
9%synergy
Nadier's Nightblade
10%inclusion6 decks58 decks
9%synergy
Phantasmal Image
10%inclusion6 decks58 decks
6%synergy
Ledger Shredder
10%inclusion6 decks58 decks
6%synergy
Viral Drake
8.6%inclusion5 decks58 decks
8%synergy
Malevolent Hermit
8.6%inclusion5 decks58 decks
7%synergy
Midnight Banshee
8.6%inclusion5 decks58 decks
8%synergy
Spellskite
8.6%inclusion5 decks58 decks
1%synergy
Vedalken Humiliator
6.9%inclusion4 decks58 decks
7%synergy
Falkenrath Noble
6.9%inclusion4 decks58 decks
6%synergy
Roaming Throne
6.9%inclusion4 decks58 decks
-7%synergy
Instants
An Offer You Can't Refuse
36%inclusion21 decks58 decks
7%synergy
Mystical Tutor
34%inclusion20 decks58 decks
20%synergy
Negate
33%inclusion19 decks58 decks
0%synergy
Force of Will
29%inclusion17 decks58 decks
18%synergy
Brainstorm
28%inclusion16 decks58 decks
-3%synergy
Dramatic Reversal
28%inclusion16 decks58 decks
24%synergy
Sudden Spoiling
28%inclusion16 decks58 decks
25%synergy
Pongify
26%inclusion15 decks58 decks
11%synergy
Arcane Denial
26%inclusion15 decks58 decks
0%synergy
Malakir Rebirth
22%inclusion13 decks58 decks
13%synergy
Force of Negation
22%inclusion13 decks58 decks
13%synergy
Demonic Consultation
21%inclusion12 decks58 decks
14%synergy
Cabal Ritual
19%inclusion11 decks58 decks
14%synergy
Deadly Rollick
17%inclusion10 decks58 decks
-2%synergy
Experimental Augury
17%inclusion10 decks58 decks
15%synergy
Countersquall
17%inclusion10 decks58 decks
11%synergy
Strix Serenade
17%inclusion10 decks58 decks
12%synergy
Rapid Hybridization
16%inclusion9 decks58 decks
5%synergy
Culling the Weak
16%inclusion9 decks58 decks
13%synergy
Flusterstorm
16%inclusion9 decks58 decks
9%synergy
Muddle the Mixture
14%inclusion8 decks58 decks
9%synergy
Tainted Pact
14%inclusion8 decks58 decks
8%synergy
Dispel
14%inclusion8 decks58 decks
7%synergy
Radstorm
14%inclusion8 decks58 decks
13%synergy
Whisper of the Dross
12%inclusion7 decks58 decks
10%synergy
Pact of Negation
12%inclusion7 decks58 decks
7%synergy
Withering Torment
11%inclusion6 decks57 decks
-6%synergy
Lim-Dûl's Vault
10%inclusion6 decks58 decks
2%synergy
Grim Affliction
10%inclusion6 decks58 decks
9%synergy
Fuel for the Cause
10%inclusion6 decks58 decks
9%synergy
Reject Imperfection
8.6%inclusion5 decks58 decks
7%synergy
Infernal Grasp
8.6%inclusion5 decks58 decks
-7%synergy
Ad Nauseam
8.6%inclusion5 decks58 decks
7%synergy
Steady Progress
8.6%inclusion5 decks58 decks
7%synergy
Waterlogged Teachings
8.6%inclusion5 decks58 decks
-3%synergy
Feign Death
8.6%inclusion5 decks58 decks
7%synergy
Force of Despair
6.9%inclusion4 decks58 decks
4%synergy
Chain of Vapor
6.9%inclusion4 decks58 decks
4%synergy
Deadly Dispute
6.9%inclusion4 decks58 decks
0%synergy
Snap
6.9%inclusion4 decks58 decks
-4%synergy
Spell Pierce
6.9%inclusion4 decks58 decks
1%synergy
Tragic Slip
6.9%inclusion4 decks58 decks
3%synergy
Fell the Profane
5.2%inclusion3 decks58 decks
-10%synergy
Mental Misstep
5.2%inclusion3 decks58 decks
0%synergy
Sheoldred's Edict
5.2%inclusion3 decks58 decks
1%synergy
Entomb
5.2%inclusion3 decks58 decks
-3%synergy
Go for the Throat
5.2%inclusion3 decks58 decks
-11%synergy
Vraska's Fall
5.2%inclusion3 decks58 decks
3%synergy
Prologue to Phyresis
5.2%inclusion3 decks58 decks
4%synergy
Doom Blade
5.2%inclusion3 decks58 decks
2%synergy
Sorceries
Tezzeret's Gambit
48%inclusion28 decks58 decks
46%synergy
Reanimate
34%inclusion20 decks58 decks
11%synergy
Feed the Swarm
31%inclusion18 decks58 decks
-6%synergy
Black Sun's Zenith
22%inclusion13 decks58 decks
20%synergy
Damnation
22%inclusion13 decks58 decks
12%synergy
Contentious Plan
21%inclusion12 decks58 decks
19%synergy
Drown in Ichor
17%inclusion10 decks58 decks
15%synergy
Grim Tutor
16%inclusion9 decks58 decks
12%synergy
Windfall
14%inclusion8 decks58 decks
0%synergy
Asinine Antics
14%inclusion8 decks58 decks
12%synergy
Diabolic Tutor
14%inclusion8 decks58 decks
7%synergy
Imperial Seal
14%inclusion8 decks58 decks
7%synergy
Diabolic Intent
12%inclusion7 decks58 decks
6%synergy
Profane Tutor
12%inclusion7 decks58 decks
10%synergy
Curse of the Swine
12%inclusion7 decks58 decks
9%synergy
Night's Whisper
12%inclusion7 decks58 decks
6%synergy
Insatiable Avarice
10%inclusion6 decks58 decks
8%synergy
Ravenform
10%inclusion6 decks58 decks
7%synergy
Ponder
8.6%inclusion5 decks58 decks
-8%synergy
Irenicus's Vile Duplication
8.6%inclusion5 decks58 decks
3%synergy
Sign in Blood
8.6%inclusion5 decks58 decks
2%synergy
Rise of the Dark Realms
8.6%inclusion5 decks58 decks
0%synergy
Preordain
6.9%inclusion4 decks58 decks
-3%synergy
Blasphemous Edict
5.3%inclusion3 decks57 decks
-2%synergy
Gitaxian Probe
5.2%inclusion3 decks58 decks
0%synergy
Victimize
5.2%inclusion3 decks58 decks
-8%synergy
Torment of Hailfire
5.2%inclusion3 decks58 decks
3%synergy
Dread Return
5.2%inclusion3 decks58 decks
-1%synergy
Phyresis Outbreak
5.2%inclusion3 decks58 decks
4%synergy
Praetor's Grasp
5.2%inclusion3 decks58 decks
2%synergy
In Garruk's Wake
5.2%inclusion3 decks58 decks
0%synergy
Beseech the Mirror
5.2%inclusion3 decks58 decks
2%synergy
Utility Artifacts
Swiftfoot Boots
47%inclusion27 decks58 decks
22%synergy
Kormus Bell
43%inclusion25 decks58 decks
42%synergy
Contagion Engine
29%inclusion17 decks58 decks
28%synergy
Contagion Clasp
26%inclusion15 decks58 decks
24%synergy
Isochron Scepter
26%inclusion15 decks58 decks
23%synergy
The One Ring
24%inclusion14 decks58 decks
17%synergy
Jet Medallion
24%inclusion14 decks58 decks
17%synergy
Ashnod's Altar
22%inclusion13 decks58 decks
15%synergy
Phyrexian Altar
21%inclusion12 decks58 decks
15%synergy
Sensei's Divining Top
17%inclusion10 decks58 decks
8%synergy
Genesis Chamber
17%inclusion10 decks58 decks
17%synergy
Wishclaw Talisman
17%inclusion10 decks58 decks
13%synergy
Mithril Coat
12%inclusion7 decks58 decks
8%synergy
The Darkness Crystal
11%inclusion4 decks38 decks
6%synergy
Expedition Map
10%inclusion6 decks58 decks
8%synergy
Helm of the Host
8.6%inclusion5 decks58 decks
6%synergy
Sapphire Medallion
8.6%inclusion5 decks58 decks
2%synergy
Wayfarer's Bauble
6.9%inclusion4 decks58 decks
-8%synergy
Grafdigger's Cage
6.9%inclusion4 decks58 decks
4%synergy
Neurok Stealthsuit
6.9%inclusion4 decks58 decks
6%synergy
Whip of Erebos
5.2%inclusion3 decks58 decks
3%synergy
Dowsing Dagger
5.2%inclusion3 decks58 decks
3%synergy
Enchantments
Inexorable Tide
50%inclusion29 decks58 decks
48%synergy
Revel in Riches
34%inclusion20 decks58 decks
33%synergy
Propaganda
29%inclusion17 decks58 decks
14%synergy
Nest of Scarabs
26%inclusion15 decks58 decks
25%synergy
Mystic Remora
22%inclusion13 decks58 decks
6%synergy
Necropotence
21%inclusion12 decks58 decks
18%synergy
Black Market Connections
21%inclusion12 decks58 decks
11%synergy
Kaya's Ghostform
17%inclusion10 decks58 decks
14%synergy
Phyrexian Arena
17%inclusion10 decks58 decks
4%synergy
Blowfly Infestation
16%inclusion9 decks58 decks
15%synergy
Dictate of Erebos
16%inclusion9 decks58 decks
13%synergy
Bastion of Remembrance
14%inclusion8 decks58 decks
11%synergy
Crumbling Ashes
12%inclusion7 decks58 decks
12%synergy
Grave Pact
12%inclusion7 decks58 decks
7%synergy
Infernal Genesis
12%inclusion7 decks58 decks
12%synergy
Bloodchief Ascension
10%inclusion6 decks58 decks
3%synergy
Meathook Massacre II
8.8%inclusion5 decks57 decks
8%synergy
Contamination
8.6%inclusion5 decks58 decks
8%synergy
Grave Betrayal
8.6%inclusion5 decks58 decks
7%synergy
Exquisite Blood
8.6%inclusion5 decks58 decks
7%synergy
Animate Dead
8.6%inclusion5 decks58 decks
-3%synergy
Diplomatic Immunity
8.6%inclusion5 decks58 decks
8%synergy
Sanguine Bond
6.9%inclusion4 decks58 decks
6%synergy
Counterbalance
5.2%inclusion3 decks58 decks
3%synergy
Imprisoned in the Moon
5.2%inclusion3 decks58 decks
2%synergy
Blessing of Leeches
5.2%inclusion3 decks58 decks
5%synergy
Witness Protection
5.2%inclusion3 decks58 decks
3%synergy
No Mercy
5.2%inclusion3 decks58 decks
2%synergy
Planeswalkers
Vraska, Betrayal's Sting
33%inclusion19 decks58 decks
31%synergy
Narset, Parter of Veils
12%inclusion7 decks58 decks
9%synergy
Liliana of the Dark Realms
6.9%inclusion4 decks58 decks
6%synergy
Ashiok, Dream Render
5.2%inclusion3 decks58 decks
-1%synergy
Utility Lands
Urborg, Tomb of Yawgmoth
66%inclusion38 decks58 decks
46%synergy
Reliquary Tower
55%inclusion32 decks58 decks
19%synergy
Cabal Coffers
50%inclusion29 decks58 decks
39%synergy
Bojuka Bog
43%inclusion25 decks58 decks
4%synergy
Phyrexian Tower
31%inclusion18 decks58 decks
25%synergy
Otawara, Soaring City
29%inclusion17 decks58 decks
10%synergy
Command Beacon
22%inclusion13 decks58 decks
18%synergy
Takenuma, Abandoned Mire
21%inclusion12 decks58 decks
7%synergy
Rogue's Passage
14%inclusion8 decks58 decks
-14%synergy
Mystic Sanctuary
12%inclusion7 decks58 decks
-6%synergy
Urza's Saga
12%inclusion7 decks58 decks
6%synergy
Temple of the False God
12%inclusion7 decks58 decks
2%synergy
Mistrise Village
11%inclusion5 decks46 decks
8%synergy
Westvale Abbey
10%inclusion6 decks58 decks
9%synergy
Castle Locthwain
10%inclusion6 decks58 decks
6%synergy
Dreadship Reef
8.6%inclusion5 decks58 decks
7%synergy
Nykthos, Shrine to Nyx
8.6%inclusion5 decks58 decks
6%synergy
Academy Ruins
6.9%inclusion4 decks58 decks
3%synergy
Cephalid Coliseum
6.9%inclusion4 decks58 decks
1%synergy
Castle Vantress
6.9%inclusion4 decks58 decks
2%synergy
Shizo, Death's Storehouse
5.2%inclusion3 decks58 decks
-4%synergy
Wasteland
5.2%inclusion3 decks58 decks
4%synergy
Mortuary Mire
5.2%inclusion3 decks58 decks
-3%synergy
Witch's Cottage
5.2%inclusion3 decks58 decks
2%synergy
Field of the Dead
5.2%inclusion3 decks58 decks
2%synergy
Restless Reef
5.2%inclusion3 decks58 decks
-2%synergy
Mana Artifacts
Sol Ring
100%inclusion58 decks58 decks
11%synergy
Arcane Signet
90%inclusion52 decks58 decks
5%synergy
Talisman of Dominance
55%inclusion32 decks58 decks
-4%synergy
Dimir Signet
52%inclusion30 decks58 decks
-10%synergy
Thought Vessel
41%inclusion24 decks58 decks
9%synergy
Fellwar Stone
33%inclusion19 decks58 decks
2%synergy
Mind Stone
26%inclusion15 decks58 decks
-4%synergy
Thran Dynamo
21%inclusion12 decks58 decks
15%synergy
Chrome Mox
21%inclusion12 decks58 decks
14%synergy
Lotus Petal
19%inclusion11 decks58 decks
11%synergy
Everflowing Chalice
16%inclusion9 decks58 decks
9%synergy
Commander's Sphere
16%inclusion9 decks58 decks
-3%synergy
Midnight Clock
14%inclusion8 decks58 decks
6%synergy
Mox Diamond
12%inclusion7 decks58 decks
8%synergy
Staff of Compleation
8.6%inclusion5 decks58 decks
8%synergy
Replicating Ring
8.6%inclusion5 decks58 decks
7%synergy
Chromatic Lantern
8.6%inclusion5 decks58 decks
6%synergy
Gilded Lotus
8.6%inclusion5 decks58 decks
6%synergy
Mox Opal
8.6%inclusion5 decks58 decks
5%synergy
Glistening Sphere
6.9%inclusion4 decks58 decks
6%synergy
Astral Cornucopia
6.9%inclusion4 decks58 decks
6%synergy
Mox Amber
6.9%inclusion4 decks58 decks
1%synergy
Charcoal Diamond
5.2%inclusion3 decks58 decks
-3%synergy
Hedron Archive
5.2%inclusion3 decks58 decks
3%synergy
Worn Powerstone
5.2%inclusion3 decks58 decks
2%synergy
Lands
Swamp
98%inclusion57 decks58 decks
2%synergy
Island
97%inclusion56 decks58 decks
0%synergy
Command Tower
86%inclusion50 decks58 decks
-2%synergy
Sunken Hollow
76%inclusion44 decks58 decks
10%synergy
Watery Grave
69%inclusion40 decks58 decks
23%synergy
Drowned Catacomb
64%inclusion37 decks58 decks
12%synergy
Shipwreck Marsh
59%inclusion34 decks58 decks
19%synergy
Polluted Delta
55%inclusion32 decks58 decks
24%synergy
Morphic Pool
53%inclusion31 decks58 decks
16%synergy
Clearwater Pathway
52%inclusion30 decks58 decks
27%synergy
Underground River
52%inclusion30 decks58 decks
13%synergy
Darkwater Catacombs
38%inclusion22 decks58 decks
-2%synergy
Exotic Orchard
36%inclusion21 decks58 decks
3%synergy
Choked Estuary
34%inclusion20 decks58 decks
-14%synergy
Tainted Isle
33%inclusion19 decks58 decks
-11%synergy
Forbidden Orchard
33%inclusion19 decks58 decks
30%synergy
Gloomlake Verge
32%inclusion18 decks57 decks
9%synergy
Myriad Landscape
28%inclusion16 decks58 decks
4%synergy
Sunken Ruins
24%inclusion14 decks58 decks
10%synergy
Dimir Aqueduct
22%inclusion13 decks58 decks
-18%synergy
Malakir Rebirth
22%inclusion13 decks58 decks
13%synergy
Temple of Deceit
21%inclusion12 decks58 decks
-16%synergy
Misty Rainforest
19%inclusion11 decks58 decks
10%synergy
Underground Sea
19%inclusion11 decks58 decks
6%synergy
Evolving Wilds
19%inclusion11 decks58 decks
2%synergy
Verdant Catacombs
17%inclusion10 decks58 decks
9%synergy
Darkslick Shores
17%inclusion10 decks58 decks
3%synergy
Undercity Sewers
16%inclusion9 decks58 decks
-4%synergy
Fabled Passage
16%inclusion9 decks58 decks
7%synergy
Reflecting Pool
16%inclusion9 decks58 decks
10%synergy
Dismal Backwater
16%inclusion9 decks58 decks
-1%synergy
Cavern of Souls
16%inclusion9 decks58 decks
6%synergy
Marsh Flats
16%inclusion9 decks58 decks
7%synergy
Terramorphic Expanse
14%inclusion8 decks58 decks
2%synergy
Fetid Pools
14%inclusion8 decks58 decks
-2%synergy
Scalding Tarn
14%inclusion8 decks58 decks
5%synergy
City of Brass
14%inclusion8 decks58 decks
7%synergy
Flooded Strand
14%inclusion8 decks58 decks
5%synergy
Gemstone Caverns
12%inclusion7 decks58 decks
6%synergy
Bloodstained Mire
12%inclusion7 decks58 decks
4%synergy
Prismatic Vista
10%inclusion6 decks58 decks
4%synergy
Snow-Covered Island
10%inclusion6 decks58 decks
3%synergy
Contaminated Aquifer
10%inclusion6 decks58 decks
4%synergy
Mana Confluence
10%inclusion6 decks58 decks
4%synergy
Snow-Covered Swamp
10%inclusion6 decks58 decks
3%synergy
Waterlogged Teachings
8.6%inclusion5 decks58 decks
-3%synergy
Dimir Guildgate
6.9%inclusion4 decks58 decks
0%synergy
Spire of Industry
6.9%inclusion4 decks58 decks
5%synergy
Fell the Profane
5.2%inclusion3 decks58 decks
-10%synergy
Thriving Isle
5.2%inclusion3 decks58 decks
3%synergy