Koma, Cosmos Serpent (Commander) - Sea Creatures

Alternate Names:

The Monstrous SerpentThe Monstrous Serpent

Koma, Cosmos Serpent
Rank #324
126decks
As CommanderAs CardAverage DeckDecks
Bracket
All12345
Budget
Any$$$$
Ezra Sassaman
Mar 12, 2026
Ezra Sassaman
Fun Alternatives for the Top Ten Saltiest Commanders
Is your playgroup tired of your Tergrid deck? (Can't blame them.) Then check out this list of replacements for the saltiest commanders.
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New Generation's Technique
4.2%inclusion1 decks24 decks
3%synergy
Irma, Part-Time Mutant
3.8%inclusion1 decks26 decks
1%synergy
High Synergy Cards
Whelming Wave
89%inclusion112 decks126 decks
78%synergy
Serpent of Yawning Depths
81%inclusion102 decks126 decks
75%synergy
Junk Winder
67%inclusion85 decks126 decks
61%synergy
Koma, World-Eater
73%inclusion61 decks83 decks
61%synergy
Adrix and Nev, Twincasters
69%inclusion87 decks126 decks
60%synergy
Spawning Kraken
67%inclusion84 decks126 decks
59%synergy
Slinn Voda, the Rising Deep
64%inclusion81 decks126 decks
58%synergy
Aesi, Tyrant of Gyre Strait
75%inclusion95 decks126 decks
58%synergy
Arixmethes, Slumbering Isle
71%inclusion89 decks126 decks
57%synergy
Elemental Bond
55%inclusion69 decks126 decks
49%synergy
Top Cards
Cultivate
82%inclusion103 decks126 decks
35%synergy
Kodama's Reach
74%inclusion93 decks126 decks
38%synergy
Rampant Growth
73%inclusion92 decks126 decks
33%synergy
Counterspell
73%inclusion92 decks126 decks
23%synergy
Growth Spiral
68%inclusion86 decks126 decks
23%synergy
Hullbreaker Horror
56%inclusion71 decks126 decks
39%synergy
Farseek
52%inclusion66 decks126 decks
26%synergy
Beast Within
52%inclusion65 decks126 decks
3%synergy
Nature's Lore
50%inclusion63 decks126 decks
19%synergy
Parallel Lives
48%inclusion60 decks126 decks
42%synergy
Game Changers
Cyclonic Rift
36%inclusion45 decks126 decks
12%synergy
Rhystic Study
27%inclusion34 decks126 decks
7%synergy
Fierce Guardianship
20%inclusion25 decks126 decks
4%synergy
Seedborn Muse
13%inclusion16 decks126 decks
-3%synergy
Worldly Tutor
12%inclusion15 decks126 decks
-2%synergy
Consecrated Sphinx
7.9%inclusion10 decks126 decks
-1%synergy
Ancient Tomb
6.3%inclusion8 decks126 decks
-2%synergy
Creatures
Xolatoyac, the Smiling Flood
47%inclusion59 decks126 decks
40%synergy
Scourge of Fleets
47%inclusion59 decks126 decks
39%synergy
Kiora, Sovereign of the Deep
45%inclusion57 decks126 decks
43%synergy
Stormtide Leviathan
44%inclusion56 decks126 decks
39%synergy
Nadir Kraken
44%inclusion55 decks126 decks
40%synergy
Summon: Leviathan
42%inclusion20 decks48 decks
35%synergy
Tromokratis
39%inclusion49 decks126 decks
34%synergy
Stormsurge Kraken
38%inclusion48 decks126 decks
34%synergy
Inkwell Leviathan
38%inclusion48 decks126 decks
34%synergy
Murkfiend Liege
36%inclusion45 decks126 decks
21%synergy
Nezahal, Primal Tide
34%inclusion43 decks126 decks
23%synergy
Birds of Paradise
34%inclusion43 decks126 decks
7%synergy
Tatyova, Benthic Druid
33%inclusion41 decks126 decks
2%synergy
Spark Double
33%inclusion41 decks126 decks
23%synergy
Sword Coast Serpent
33%inclusion41 decks126 decks
31%synergy
Deep-Sea Kraken
30%inclusion38 decks126 decks
27%synergy
Llanowar Elves
29%inclusion37 decks126 decks
2%synergy
Shipbreaker Kraken
29%inclusion37 decks126 decks
27%synergy
Sakura-Tribe Elder
29%inclusion37 decks126 decks
10%synergy
Simic Sky Swallower
29%inclusion37 decks126 decks
25%synergy
Reef Worm
29%inclusion36 decks126 decks
25%synergy
Monstrosity of the Lake
27%inclusion34 decks126 decks
24%synergy
Brinelin, the Moon Kraken
25%inclusion32 decks126 decks
21%synergy
Cryptic Serpent
25%inclusion31 decks126 decks
24%synergy
Starwinder
24%inclusion11 decks46 decks
18%synergy
Reservoir Kraken
24%inclusion30 decks126 decks
22%synergy
The Watcher in the Water
24%inclusion30 decks126 decks
23%synergy
Charix, the Raging Isle
24%inclusion30 decks126 decks
21%synergy
Lorthos, the Tidemaker
24%inclusion30 decks126 decks
21%synergy
Trench Behemoth
24%inclusion30 decks126 decks
21%synergy
The Unagi of Kyoshi Island
24%inclusion9 decks38 decks
18%synergy
Sakashima of a Thousand Faces
23%inclusion29 decks126 decks
18%synergy
Breaching Leviathan
21%inclusion26 decks126 decks
19%synergy
Craterhoof Behemoth
20%inclusion25 decks126 decks
10%synergy
Archetype of Imagination
20%inclusion25 decks126 decks
15%synergy
Elvish Mystic
19%inclusion24 decks126 decks
-4%synergy
Harbor Serpent
19%inclusion24 decks126 decks
19%synergy
Esix, Fractal Bloom
19%inclusion24 decks126 decks
15%synergy
Benthic Anomaly
19%inclusion23 decks121 decks
17%synergy
Octomancer
19%inclusion21 decks111 decks
14%synergy
Sakashima the Impostor
18%inclusion23 decks126 decks
16%synergy
Garruk's Packleader
17%inclusion22 decks126 decks
15%synergy
Coiling Oracle
17%inclusion22 decks126 decks
5%synergy
Scrapdiver Serpent
17%inclusion22 decks126 decks
17%synergy
Enduring Vitality
17%inclusion18 decks104 decks
10%synergy
Chameleon, Master of Disguise
16%inclusion7 decks44 decks
14%synergy
Verazol, the Split Current
15%inclusion19 decks126 decks
15%synergy
Mesmerizing Benthid
15%inclusion19 decks126 decks
14%synergy
Tolarian Kraken
14%inclusion18 decks126 decks
13%synergy
Ohran Frostfang
14%inclusion18 decks126 decks
11%synergy
Instants
Negate
44%inclusion56 decks126 decks
19%synergy
Heroic Intervention
37%inclusion46 decks126 decks
6%synergy
Simic Charm
36%inclusion45 decks126 decks
28%synergy
Return of the Wildspeaker
34%inclusion43 decks126 decks
24%synergy
Double Major
33%inclusion42 decks126 decks
25%synergy
Arcane Denial
33%inclusion41 decks126 decks
10%synergy
Second Harvest
27%inclusion34 decks126 decks
21%synergy
Planar Genesis
26%inclusion32 decks121 decks
15%synergy
Krosan Grip
25%inclusion32 decks126 decks
18%synergy
Mana Drain
23%inclusion29 decks126 decks
8%synergy
Pongify
22%inclusion28 decks126 decks
-3%synergy
Rapid Hybridization
21%inclusion26 decks126 decks
-6%synergy
Harrow
20%inclusion25 decks126 decks
8%synergy
Engulf the Shore
18%inclusion23 decks126 decks
16%synergy
Aetherize
17%inclusion22 decks126 decks
5%synergy
Eureka Moment
17%inclusion21 decks126 decks
5%synergy
An Offer You Can't Refuse
17%inclusion21 decks126 decks
-7%synergy
Brainstorm
15%inclusion19 decks126 decks
1%synergy
Reality Shift
15%inclusion19 decks126 decks
1%synergy
Return to Nature
14%inclusion18 decks126 decks
9%synergy
Swan Song
14%inclusion18 decks126 decks
-4%synergy
Nature's Claim
12%inclusion15 decks126 decks
3%synergy
Plasm Capture
10%inclusion13 decks126 decks
7%synergy
Snakeskin Veil
10%inclusion12 decks126 decks
4%synergy
Harmonized Crescendo
8.3%inclusion3 decks36 decks
6%synergy
Decisive Denial
7.9%inclusion10 decks126 decks
3%synergy
Entish Restoration
7.9%inclusion10 decks126 decks
-1%synergy
Voidslime
7.9%inclusion10 decks126 decks
3%synergy
Pact of Negation
7.9%inclusion10 decks126 decks
1%synergy
Sink into Stupor
7.3%inclusion9 decks123 decks
-5%synergy
Archdruid's Charm
7.1%inclusion9 decks126 decks
1%synergy
Mystic Reflection
7.1%inclusion9 decks126 decks
5%synergy
High Tide
7.1%inclusion9 decks126 decks
5%synergy
Collective Resistance
6.5%inclusion8 decks123 decks
3%synergy
Chord of Calling
6.3%inclusion8 decks126 decks
-1%synergy
Auroral Procession
5.7%inclusion3 decks53 decks
2%synergy
Stubborn Denial
5.6%inclusion7 decks126 decks
3%synergy
Tyvar's Stand
5.6%inclusion7 decks126 decks
3%synergy
Serpentine Ambush
5.6%inclusion7 decks126 decks
5%synergy
Cackling Counterpart
5.6%inclusion7 decks126 decks
2%synergy
Tamiyo's Safekeeping
5.6%inclusion7 decks126 decks
0%synergy
Sorceries
Irenicus's Vile Duplication
40%inclusion51 decks126 decks
34%synergy
Three Visits
40%inclusion50 decks126 decks
16%synergy
Explore
36%inclusion45 decks126 decks
15%synergy
Skyshroud Claim
30%inclusion38 decks126 decks
21%synergy
Urban Evolution
29%inclusion36 decks126 decks
19%synergy
Overwhelming Stampede
20%inclusion25 decks126 decks
7%synergy
Rite of Replication
17%inclusion22 decks126 decks
10%synergy
Quantum Misalignment
16%inclusion20 decks126 decks
13%synergy
Crush of Tentacles
16%inclusion20 decks126 decks
15%synergy
Migration Path
14%inclusion18 decks126 decks
11%synergy
Harmonize
12%inclusion15 decks126 decks
6%synergy
Search for Tomorrow
11%inclusion14 decks126 decks
7%synergy
Last March of the Ents
10%inclusion13 decks126 decks
7%synergy
Rishkar's Expertise
10%inclusion13 decks126 decks
1%synergy
Shamanic Revelation
10%inclusion13 decks126 decks
5%synergy
Explosive Vegetation
10%inclusion12 decks126 decks
4%synergy
Ponder
8.7%inclusion11 decks126 decks
2%synergy
Tempt with Discovery
6.3%inclusion8 decks126 decks
2%synergy
Sea Gate Restoration
6.3%inclusion8 decks126 decks
1%synergy
Doppelgang
6.3%inclusion8 decks126 decks
0%synergy
Windfall
5.6%inclusion7 decks126 decks
2%synergy
Curse of the Swine
5.6%inclusion7 decks126 decks
-5%synergy
Broken Bond
5.6%inclusion7 decks126 decks
1%synergy
Distant Melody
5.6%inclusion7 decks126 decks
2%synergy
Bala Ged Recovery
5.6%inclusion7 decks126 decks
-4%synergy
Ember Island Production
5.3%inclusion2 decks38 decks
4%synergy
Shared Roots
5.3%inclusion2 decks38 decks
1%synergy
Utility Artifacts
Swiftfoot Boots
38%inclusion48 decks126 decks
13%synergy
Helm of the Host
33%inclusion42 decks126 decks
28%synergy
Lightning Greaves
29%inclusion37 decks126 decks
9%synergy
Kefnet's Monument
26%inclusion33 decks126 decks
25%synergy
Combine Chrysalis
17%inclusion22 decks126 decks
13%synergy
Sapphire Medallion
16%inclusion20 decks126 decks
12%synergy
Emerald Medallion
11%inclusion14 decks126 decks
8%synergy
Bident of Thassa
11%inclusion14 decks126 decks
4%synergy
The Great Henge
10%inclusion13 decks126 decks
1%synergy
Mirror Box
10%inclusion12 decks126 decks
6%synergy
Urza's Incubator
10%inclusion12 decks126 decks
8%synergy
Monster Manual
7.9%inclusion10 decks126 decks
6%synergy
Rhonas's Monument
7.9%inclusion10 decks126 decks
7%synergy
Herald's Horn
7.1%inclusion9 decks126 decks
3%synergy
Coat of Arms
6.3%inclusion8 decks126 decks
5%synergy
Idol of Oblivion
6.3%inclusion8 decks126 decks
3%synergy
Enchantments
Garruk's Uprising
41%inclusion52 decks126 decks
24%synergy
Tribute to the World Tree
41%inclusion52 decks126 decks
35%synergy
Quest for Ula's Temple
33%inclusion41 decks126 decks
30%synergy
Doubling Season
32%inclusion40 decks126 decks
22%synergy
Ominous Seas
30%inclusion38 decks126 decks
26%synergy
Kindred Discovery
25%inclusion31 decks126 decks
15%synergy
Kiora Bests the Sea God
17%inclusion22 decks126 decks
16%synergy
Mystic Remora
14%inclusion18 decks126 decks
0%synergy
Unnatural Growth
13%inclusion16 decks126 decks
9%synergy
Impostor Syndrome
11%inclusion5 decks44 decks
10%synergy
Beastmaster Ascension
10%inclusion13 decks126 decks
7%synergy
Exploration
10%inclusion12 decks126 decks
-4%synergy
Wilderness Reclamation
10%inclusion12 decks126 decks
0%synergy
Khalni Heart Expedition
10%inclusion12 decks126 decks
6%synergy
Cryptolith Rite
8.7%inclusion11 decks126 decks
5%synergy
Utopia Sprawl
8.7%inclusion11 decks126 decks
2%synergy
Sylvan Library
8.7%inclusion11 decks126 decks
0%synergy
Defense of the Heart
8.7%inclusion11 decks126 decks
7%synergy
Springleaf Parade
8.3%inclusion3 decks36 decks
6%synergy
Up the Beanstalk
7.9%inclusion10 decks126 decks
4%synergy
Growing Rites of Itlimoc
7.9%inclusion10 decks126 decks
2%synergy
Burgeoning
7.1%inclusion9 decks126 decks
0%synergy
Primal Vigor
7.1%inclusion9 decks126 decks
4%synergy
Reflections of Littjara
7.1%inclusion9 decks126 decks
0%synergy
Paradox Haze
7.1%inclusion9 decks126 decks
7%synergy
Propaganda
7.1%inclusion9 decks126 decks
0%synergy
Levitation
6.3%inclusion8 decks126 decks
6%synergy
Colossal Majesty
6.3%inclusion8 decks126 decks
5%synergy
Wild Growth
5.6%inclusion7 decks126 decks
-3%synergy
Battles
Invasion of Segovia
11%inclusion14 decks126 decks
10%synergy
Planeswalkers
Kiora, the Crashing Wave
23%inclusion29 decks126 decks
20%synergy
Kiora, Master of the Depths
7.9%inclusion10 decks126 decks
6%synergy
Oko, Thief of Crowns
7.1%inclusion9 decks126 decks
0%synergy
Kiora, Behemoth Beckoner
6.3%inclusion8 decks126 decks
0%synergy
Oko, Lorwyn Liege
5.6%inclusion2 decks36 decks
4%synergy
Utility Lands
Reliquary Tower
67%inclusion84 decks126 decks
17%synergy
Mosswort Bridge
28%inclusion35 decks126 decks
10%synergy
Temple of the False God
28%inclusion35 decks126 decks
12%synergy
Yavimaya, Cradle of Growth
21%inclusion27 decks126 decks
0%synergy
Rogue's Passage
18%inclusion23 decks126 decks
-4%synergy
Mystic Sanctuary
17%inclusion21 decks126 decks
4%synergy
Boseiju, Who Endures
16%inclusion20 decks126 decks
-6%synergy
Evendo, Waking Haven
15%inclusion7 decks47 decks
10%synergy
Three Tree City
12%inclusion14 decks114 decks
7%synergy
Mistrise Village
11%inclusion6 decks53 decks
1%synergy
Otawara, Soaring City
10%inclusion13 decks126 decks
-8%synergy
Coral Atoll
10%inclusion12 decks126 decks
7%synergy
Dark Depths
10%inclusion12 decks126 decks
3%synergy
Castle Vantress
10%inclusion12 decks126 decks
3%synergy
Castle Garenbrig
10%inclusion12 decks126 decks
5%synergy
Alchemist's Refuge
8.7%inclusion11 decks126 decks
-9%synergy
Command Beacon
8.7%inclusion11 decks126 decks
5%synergy
Mana Artifacts
Sol Ring
93%inclusion117 decks126 decks
13%synergy
Arcane Signet
79%inclusion100 decks126 decks
16%synergy
Simic Signet
44%inclusion55 decks126 decks
13%synergy
Thought Vessel
30%inclusion38 decks126 decks
10%synergy
Talisman of Curiosity
23%inclusion29 decks126 decks
1%synergy
Commander's Sphere
12%inclusion15 decks126 decks
4%synergy
Decanter of Endless Water
10%inclusion12 decks126 decks
5%synergy
Thran Dynamo
10%inclusion12 decks126 decks
7%synergy
Herd Heirloom
5.8%inclusion3 decks52 decks
3%synergy
Lands
Forest
91%inclusion115 decks126 decks
-4%synergy
Island
90%inclusion114 decks126 decks
-5%synergy
Command Tower
87%inclusion110 decks126 decks
2%synergy
Hinterland Harbor
66%inclusion83 decks126 decks
5%synergy
Simic Growth Chamber
63%inclusion79 decks126 decks
15%synergy
Dreamroot Cascade
52%inclusion65 decks126 decks
8%synergy
Rejuvenating Springs
48%inclusion60 decks126 decks
5%synergy
Temple of Mystery
47%inclusion59 decks126 decks
9%synergy
Breeding Pool
45%inclusion57 decks126 decks
-2%synergy
Flooded Grove
41%inclusion52 decks126 decks
-1%synergy
Yavimaya Coast
36%inclusion45 decks126 decks
-17%synergy
Barkchannel Pathway
33%inclusion42 decks126 decks
13%synergy
Vineglimmer Snarl
33%inclusion41 decks126 decks
-6%synergy
Evolving Wilds
30%inclusion38 decks126 decks
5%synergy
Thornwood Falls
30%inclusion38 decks126 decks
13%synergy
Myriad Landscape
29%inclusion37 decks126 decks
8%synergy
Willowrush Verge
25%inclusion15 decks59 decks
8%synergy
Tangled Islet
25%inclusion31 decks126 decks
9%synergy
Misty Rainforest
23%inclusion29 decks126 decks
-8%synergy
Sodden Verdure
22%inclusion8 decks36 decks
7%synergy
Terramorphic Expanse
20%inclusion25 decks126 decks
0%synergy
Exotic Orchard
19%inclusion24 decks126 decks
-5%synergy
Rimewood Falls
17%inclusion21 decks126 decks
8%synergy
Hedge Maze
15%inclusion19 decks126 decks
-5%synergy
Overflowing Basin
14%inclusion18 decks126 decks
-6%synergy
Waterlogged Grove
14%inclusion18 decks126 decks
-5%synergy
Path of Ancestry
14%inclusion18 decks126 decks
-3%synergy
Rain-Slicked Copse
14%inclusion5 decks36 decks
7%synergy
Snow-Covered Forest
13%inclusion17 decks126 decks
7%synergy
Tropical Island
13%inclusion17 decks126 decks
-1%synergy
Snow-Covered Island
13%inclusion16 decks126 decks
7%synergy
Blighted Woodland
10%inclusion12 decks126 decks
3%synergy
Fabled Passage
10%inclusion12 decks126 decks
-6%synergy
Botanical Sanctum
10%inclusion12 decks126 decks
-3%synergy
Woodland Stream
10%inclusion12 decks126 decks
5%synergy
Simic Guildgate
10%inclusion12 decks126 decks
0%synergy
Sink into Stupor
7.3%inclusion9 decks123 decks
-5%synergy
Littjara Mirrorlake
7.1%inclusion9 decks126 decks
4%synergy
Glasspool Mimic
7.1%inclusion9 decks126 decks
3%synergy
Sea Gate Restoration
6.3%inclusion8 decks126 decks
1%synergy
Quandrix Campus
5.6%inclusion7 decks126 decks
-1%synergy
Cavern of Souls
5.6%inclusion7 decks126 decks
0%synergy
Lush Oasis
5.6%inclusion7 decks126 decks
0%synergy
Bala Ged Recovery
5.6%inclusion7 decks126 decks
-4%synergy
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