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

Alternate Names:

Gary, the SnailGary, the Snail

Toxrill, the Corrosive
Rank #247
3decks
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Background image for The Best Horror Combos in Commander
Ethan Coover
Oct 20, 2025
Ethan Coover
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.
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Risky Research
100%inclusion1 decks1 decks
99%synergy
The Soul Stone
100%inclusion1 decks1 decks
96%synergy
Game Changers
Rhystic Study
33%inclusion1 decks3 decks
8%synergy
Creatures
Mirkwood Bats
100%inclusion3 decks3 decks
95%synergy
Maha, Its Feathers Night
100%inclusion3 decks3 decks
97%synergy
Sludge Monster
100%inclusion3 decks3 decks
92%synergy
Blood Artist
100%inclusion3 decks3 decks
96%synergy
Sakashima of a Thousand Faces
100%inclusion3 decks3 decks
95%synergy
Syr Konrad, the Grim
67%inclusion2 decks3 decks
54%synergy
Spitting Dilophosaurus
67%inclusion2 decks3 decks
66%synergy
Falkenrath Noble
67%inclusion2 decks3 decks
66%synergy
Ayara, First of Locthwain
67%inclusion2 decks3 decks
63%synergy
Drivnod, Carnage Dominus
67%inclusion2 decks3 decks
65%synergy
Necroskitter
67%inclusion2 decks3 decks
66%synergy
Zulaport Cutthroat
67%inclusion2 decks3 decks
63%synergy
Flux Channeler
67%inclusion2 decks3 decks
64%synergy
Spark Double
67%inclusion2 decks3 decks
56%synergy
Massacre Wurm
67%inclusion2 decks3 decks
58%synergy
Crypt Ghast
67%inclusion2 decks3 decks
64%synergy
Slaughter Specialist
67%inclusion2 decks3 decks
65%synergy
Massacre Girl, Known Killer
67%inclusion2 decks3 decks
64%synergy
Thrummingbird
67%inclusion2 decks3 decks
64%synergy
Solemn Simulacrum
33%inclusion1 decks3 decks
21%synergy
Vindictive Vampire
33%inclusion1 decks3 decks
33%synergy
Priest of Forgotten Gods
33%inclusion1 decks3 decks
32%synergy
Morbid Opportunist
33%inclusion1 decks3 decks
30%synergy
Tekuthal, Inquiry Dominus
33%inclusion1 decks3 decks
32%synergy
Whisper, Blood Liturgist
33%inclusion1 decks3 decks
33%synergy
Massacre Girl
33%inclusion1 decks3 decks
30%synergy
Burnished Hart
33%inclusion1 decks3 decks
30%synergy
Clackbridge Troll
33%inclusion1 decks3 decks
32%synergy
Yawgmoth, Thran Physician
33%inclusion1 decks3 decks
32%synergy
Sakashima the Impostor
33%inclusion1 decks3 decks
29%synergy
Pitiless Plunderer
33%inclusion1 decks3 decks
31%synergy
Ancient Cellarspawn
33%inclusion1 decks3 decks
29%synergy
Glasspool Mimic
33%inclusion1 decks3 decks
27%synergy
Fumulus, the Infestation
33%inclusion1 decks3 decks
33%synergy
Hunted Phantasm
33%inclusion1 decks3 decks
32%synergy
Gisa, Glorious Resurrector
33%inclusion1 decks3 decks
30%synergy
Vein Ripper
33%inclusion1 decks3 decks
32%synergy
Yahenni, Undying Partisan
33%inclusion1 decks3 decks
33%synergy
Instants
Polymorphist's Jest
100%inclusion3 decks3 decks
98%synergy
Counterspell
100%inclusion3 decks3 decks
44%synergy
Flatline
100%inclusion3 decks3 decks
98%synergy
Sudden Spoiling
100%inclusion3 decks3 decks
98%synergy
Whisper of the Dross
67%inclusion2 decks3 decks
65%synergy
Experimental Augury
67%inclusion2 decks3 decks
64%synergy
Negate
67%inclusion2 decks3 decks
34%synergy
Grim Affliction
67%inclusion2 decks3 decks
66%synergy
Mana Drain
67%inclusion2 decks3 decks
49%synergy
An Offer You Can't Refuse
33%inclusion1 decks3 decks
4%synergy
Village Rites
33%inclusion1 decks3 decks
27%synergy
Brainstorm
33%inclusion1 decks3 decks
2%synergy
Not Dead After All
33%inclusion1 decks3 decks
31%synergy
Stubborn Denial
33%inclusion1 decks3 decks
32%synergy
Dark Ritual
33%inclusion1 decks3 decks
-1%synergy
Countersquall
33%inclusion1 decks3 decks
27%synergy
Keep Watch
33%inclusion1 decks3 decks
30%synergy
Swan Song
33%inclusion1 decks3 decks
15%synergy
Jwari Disruption
33%inclusion1 decks3 decks
31%synergy
Delay
33%inclusion1 decks3 decks
30%synergy
Malakir Rebirth
33%inclusion1 decks3 decks
24%synergy
Arcane Denial
33%inclusion1 decks3 decks
8%synergy
Sink into Stupor
33%inclusion1 decks3 decks
18%synergy
Radstorm
33%inclusion1 decks3 decks
32%synergy
Pact of Negation
33%inclusion1 decks3 decks
28%synergy
Feign Death
33%inclusion1 decks3 decks
32%synergy
Withering Torment
33%inclusion1 decks3 decks
17%synergy
Sorceries
Mass Diminish
100%inclusion3 decks3 decks
98%synergy
Irenicus's Vile Duplication
67%inclusion2 decks3 decks
61%synergy
Drown in Ichor
67%inclusion2 decks3 decks
64%synergy
Ponder
33%inclusion1 decks3 decks
17%synergy
Sleight of Hand
33%inclusion1 decks3 decks
32%synergy
Asinine Antics
33%inclusion1 decks3 decks
32%synergy
Quantum Misalignment
33%inclusion1 decks3 decks
31%synergy
Contentious Plan
33%inclusion1 decks3 decks
31%synergy
Torment of Hailfire
33%inclusion1 decks3 decks
31%synergy
Curse of the Swine
33%inclusion1 decks3 decks
30%synergy
Feed the Swarm
33%inclusion1 decks3 decks
-3%synergy
Read the Bones
33%inclusion1 decks3 decks
29%synergy
Night's Whisper
33%inclusion1 decks3 decks
27%synergy
Borrowing 100,000 Arrows
33%inclusion1 decks3 decks
33%synergy
In Garruk's Wake
33%inclusion1 decks3 decks
28%synergy
Preordain
33%inclusion1 decks3 decks
23%synergy
Toxic Deluge
33%inclusion1 decks3 decks
7%synergy
Tezzeret's Gambit
33%inclusion1 decks3 decks
31%synergy
Sign in Blood
33%inclusion1 decks3 decks
27%synergy
Thoughtcast
33%inclusion1 decks3 decks
31%synergy
Final Vengeance
33%inclusion1 decks3 decks
33%synergy
Utility Artifacts
Skullclamp
100%inclusion3 decks3 decks
91%synergy
Swiftfoot Boots
100%inclusion3 decks3 decks
76%synergy
Lightning Greaves
100%inclusion3 decks3 decks
73%synergy
Genesis Chamber
67%inclusion2 decks3 decks
66%synergy
Mithril Coat
33%inclusion1 decks3 decks
30%synergy
Contagion Clasp
33%inclusion1 decks3 decks
32%synergy
Contagion Engine
33%inclusion1 decks3 decks
32%synergy
Ashnod's Altar
33%inclusion1 decks3 decks
26%synergy
Helm of the Host
33%inclusion1 decks3 decks
31%synergy
Dragon Throne of Tarkir
33%inclusion1 decks3 decks
33%synergy
Whispersilk Cloak
33%inclusion1 decks3 decks
27%synergy
Jet Medallion
33%inclusion1 decks3 decks
26%synergy
Kormus Bell
33%inclusion1 decks3 decks
33%synergy
Enchantments
The Meathook Massacre
100%inclusion3 decks3 decks
95%synergy
Black Market
67%inclusion2 decks3 decks
61%synergy
Grave Betrayal
67%inclusion2 decks3 decks
65%synergy
Inexorable Tide
33%inclusion1 decks3 decks
31%synergy
Meathook Massacre II
33%inclusion1 decks3 decks
32%synergy
Grave Pact
33%inclusion1 decks3 decks
28%synergy
Dictate of Erebos
33%inclusion1 decks3 decks
30%synergy
Mystic Remora
33%inclusion1 decks3 decks
17%synergy
Witness Protection
33%inclusion1 decks3 decks
32%synergy
Eaten by Piranhas
33%inclusion1 decks3 decks
31%synergy
Bastion of Remembrance
33%inclusion1 decks3 decks
30%synergy
Revel in Riches
33%inclusion1 decks3 decks
32%synergy
Black Market Connections
33%inclusion1 decks3 decks
23%synergy
Propaganda
33%inclusion1 decks3 decks
18%synergy
Diplomatic Immunity
33%inclusion1 decks3 decks
32%synergy
Planeswalkers
Vraska, Betrayal's Sting
33%inclusion1 decks3 decks
32%synergy
Liliana, Dreadhorde General
33%inclusion1 decks3 decks
28%synergy
Utility Lands
Reliquary Tower
100%inclusion3 decks3 decks
64%synergy
Cabal Stronghold
67%inclusion2 decks3 decks
66%synergy
Phyrexian Tower
67%inclusion2 decks3 decks
61%synergy
Cabal Coffers
67%inclusion2 decks3 decks
56%synergy
Otawara, Soaring City
67%inclusion2 decks3 decks
48%synergy
Bojuka Bog
33%inclusion1 decks3 decks
-6%synergy
Westvale Abbey
33%inclusion1 decks3 decks
32%synergy
Urza's Saga
33%inclusion1 decks3 decks
28%synergy
Command Beacon
33%inclusion1 decks3 decks
29%synergy
Nykthos, Shrine to Nyx
33%inclusion1 decks3 decks
31%synergy
Karn's Bastion
33%inclusion1 decks3 decks
30%synergy
Takenuma, Abandoned Mire
33%inclusion1 decks3 decks
20%synergy
Urborg, Tomb of Yawgmoth
33%inclusion1 decks3 decks
14%synergy
Mana Artifacts
Sol Ring
100%inclusion3 decks3 decks
11%synergy
Thought Vessel
100%inclusion3 decks3 decks
68%synergy
Arcane Signet
67%inclusion2 decks3 decks
-18%synergy
Talisman of Dominance
67%inclusion2 decks3 decks
7%synergy
Dimir Signet
67%inclusion2 decks3 decks
5%synergy
Everflowing Chalice
33%inclusion1 decks3 decks
27%synergy
Replicating Ring
33%inclusion1 decks3 decks
32%synergy
The Irencrag
33%inclusion1 decks3 decks
33%synergy
Fellwar Stone
33%inclusion1 decks3 decks
2%synergy
Thran Dynamo
33%inclusion1 decks3 decks
28%synergy
Fractured Powerstone
33%inclusion1 decks3 decks
33%synergy
Worn Powerstone
33%inclusion1 decks3 decks
30%synergy
Liquimetal Torque
33%inclusion1 decks3 decks
31%synergy
Mind Stone
33%inclusion1 decks3 decks
3%synergy
Prismatic Lens
33%inclusion1 decks3 decks
32%synergy
Lands
Swamp
100%inclusion3 decks3 decks
4%synergy
Shipwreck Marsh
100%inclusion3 decks3 decks
60%synergy
Drowned Catacomb
100%inclusion3 decks3 decks
48%synergy
Island
100%inclusion3 decks3 decks
3%synergy
Morphic Pool
100%inclusion3 decks3 decks
63%synergy
Forbidden Orchard
100%inclusion3 decks3 decks
98%synergy
Polluted Delta
100%inclusion3 decks3 decks
69%synergy
Watery Grave
100%inclusion3 decks3 decks
54%synergy
Tainted Isle
67%inclusion2 decks3 decks
23%synergy
Command Tower
67%inclusion2 decks3 decks
-21%synergy
Fabled Passage
67%inclusion2 decks3 decks
59%synergy
Myriad Landscape
67%inclusion2 decks3 decks
43%synergy
Underground River
67%inclusion2 decks3 decks
28%synergy
Sunken Hollow
67%inclusion2 decks3 decks
0%synergy
Gloomlake Verge
67%inclusion2 decks3 decks
44%synergy
Undercity Sewers
33%inclusion1 decks3 decks
14%synergy
Misty Rainforest
33%inclusion1 decks3 decks
24%synergy
Clearwater Pathway
33%inclusion1 decks3 decks
8%synergy
Terramorphic Expanse
33%inclusion1 decks3 decks
22%synergy
Fetid Pools
33%inclusion1 decks3 decks
17%synergy
Dimir Aqueduct
33%inclusion1 decks3 decks
-7%synergy
Darkwater Catacombs
33%inclusion1 decks3 decks
-7%synergy
Underground Sea
33%inclusion1 decks3 decks
20%synergy
Spire of Industry
33%inclusion1 decks3 decks
31%synergy
Verdant Catacombs
33%inclusion1 decks3 decks
25%synergy
Reflecting Pool
33%inclusion1 decks3 decks
28%synergy
River of Tears
33%inclusion1 decks3 decks
22%synergy
Jwari Disruption
33%inclusion1 decks3 decks
31%synergy
Plaza of Heroes
33%inclusion1 decks3 decks
32%synergy
Darkslick Shores
33%inclusion1 decks3 decks
19%synergy
Malakir Rebirth
33%inclusion1 decks3 decks
24%synergy
Evolving Wilds
33%inclusion1 decks3 decks
16%synergy
Sink into Stupor
33%inclusion1 decks3 decks
18%synergy
Glasspool Mimic
33%inclusion1 decks3 decks
27%synergy
Marsh Flats
33%inclusion1 decks3 decks
25%synergy
Sunken Ruins
33%inclusion1 decks3 decks
19%synergy
City of Brass
33%inclusion1 decks3 decks
27%synergy
Bloodstained Mire
33%inclusion1 decks3 decks
25%synergy
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