Koma, Cosmos Serpent (Commander) - Sea Creatures

Alternate Names:

The Monstrous SerpentThe Monstrous Serpent

Koma, Cosmos Serpent
Rank #332
124decks
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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Procrastinate
5.6%inclusion1 decks18 decks
4%synergy
Wisdom of Ages
5.6%inclusion1 decks18 decks
2%synergy
Quandrix Charm
5.6%inclusion1 decks18 decks
-4%synergy
Paradox Gardens
5.6%inclusion1 decks18 decks
-2%synergy
Applied Geometry
5.6%inclusion1 decks18 decks
0%synergy
High Synergy Cards
Whelming Wave
90%inclusion111 decks124 decks
79%synergy
Serpent of Yawning Depths
81%inclusion101 decks124 decks
75%synergy
Koma, World-Eater
76%inclusion66 decks87 decks
63%synergy
Junk Winder
68%inclusion84 decks124 decks
61%synergy
Adrix and Nev, Twincasters
69%inclusion86 decks124 decks
61%synergy
Spawning Kraken
66%inclusion82 decks124 decks
59%synergy
Slinn Voda, the Rising Deep
63%inclusion78 decks124 decks
57%synergy
Aesi, Tyrant of Gyre Strait
74%inclusion92 decks124 decks
56%synergy
Arixmethes, Slumbering Isle
69%inclusion85 decks124 decks
55%synergy
Elemental Bond
54%inclusion67 decks124 decks
48%synergy
Top Cards
Cultivate
82%inclusion102 decks124 decks
36%synergy
Kodama's Reach
73%inclusion91 decks124 decks
39%synergy
Rampant Growth
73%inclusion90 decks124 decks
33%synergy
Counterspell
71%inclusion88 decks124 decks
22%synergy
Growth Spiral
69%inclusion86 decks124 decks
25%synergy
Hullbreaker Horror
57%inclusion71 decks124 decks
40%synergy
Farseek
50%inclusion62 decks124 decks
24%synergy
Nature's Lore
50%inclusion62 decks124 decks
18%synergy
Parallel Lives
48%inclusion60 decks124 decks
43%synergy
Xolatoyac, the Smiling Flood
47%inclusion58 decks124 decks
40%synergy
Game Changers
Cyclonic Rift
35%inclusion43 decks124 decks
11%synergy
Rhystic Study
27%inclusion33 decks124 decks
7%synergy
Fierce Guardianship
19%inclusion23 decks124 decks
3%synergy
Worldly Tutor
15%inclusion18 decks124 decks
1%synergy
Seedborn Muse
14%inclusion17 decks124 decks
-2%synergy
Consecrated Sphinx
10%inclusion12 decks124 decks
1%synergy
Mystical Tutor
6.5%inclusion8 decks124 decks
-2%synergy
Ancient Tomb
5.6%inclusion7 decks124 decks
-3%synergy
Creatures
Scourge of Fleets
45%inclusion56 decks124 decks
38%synergy
Kiora, Sovereign of the Deep
45%inclusion56 decks124 decks
43%synergy
Nadir Kraken
44%inclusion54 decks124 decks
40%synergy
Summon: Leviathan
42%inclusion22 decks52 decks
35%synergy
Stormtide Leviathan
41%inclusion51 decks124 decks
36%synergy
Tromokratis
39%inclusion48 decks124 decks
34%synergy
Stormsurge Kraken
38%inclusion47 decks124 decks
34%synergy
Inkwell Leviathan
38%inclusion47 decks124 decks
34%synergy
Murkfiend Liege
35%inclusion43 decks124 decks
21%synergy
Tatyova, Benthic Druid
33%inclusion41 decks124 decks
3%synergy
Spark Double
32%inclusion40 decks124 decks
23%synergy
Birds of Paradise
32%inclusion40 decks124 decks
5%synergy
Nezahal, Primal Tide
31%inclusion39 decks124 decks
21%synergy
Sword Coast Serpent
31%inclusion39 decks124 decks
30%synergy
Reef Worm
30%inclusion37 decks124 decks
26%synergy
Sakura-Tribe Elder
30%inclusion37 decks124 decks
11%synergy
Simic Sky Swallower
30%inclusion37 decks124 decks
26%synergy
Deep-Sea Kraken
29%inclusion36 decks124 decks
26%synergy
Shipbreaker Kraken
29%inclusion36 decks124 decks
26%synergy
Llanowar Elves
27%inclusion34 decks124 decks
0%synergy
The Unagi of Kyoshi Island
26%inclusion11 decks42 decks
21%synergy
Brinelin, the Moon Kraken
26%inclusion32 decks124 decks
22%synergy
Monstrosity of the Lake
26%inclusion32 decks124 decks
23%synergy
Reservoir Kraken
24%inclusion30 decks124 decks
23%synergy
Trench Behemoth
24%inclusion30 decks124 decks
22%synergy
Cryptic Serpent
23%inclusion29 decks124 decks
23%synergy
The Watcher in the Water
23%inclusion29 decks124 decks
22%synergy
Charix, the Raging Isle
23%inclusion28 decks124 decks
20%synergy
Starwinder
22%inclusion11 decks50 decks
16%synergy
Sakashima of a Thousand Faces
22%inclusion27 decks124 decks
17%synergy
Lorthos, the Tidemaker
22%inclusion27 decks124 decks
19%synergy
Archetype of Imagination
21%inclusion26 decks124 decks
17%synergy
Craterhoof Behemoth
20%inclusion25 decks124 decks
10%synergy
Breaching Leviathan
19%inclusion24 decks124 decks
17%synergy
Garruk's Packleader
19%inclusion23 decks124 decks
16%synergy
Benthic Anomaly
19%inclusion23 decks124 decks
16%synergy
Elvish Mystic
18%inclusion22 decks124 decks
-5%synergy
Harbor Serpent
17%inclusion21 decks124 decks
17%synergy
Esix, Fractal Bloom
17%inclusion21 decks124 decks
13%synergy
Octomancer
17%inclusion19 decks115 decks
12%synergy
Coiling Oracle
16%inclusion20 decks124 decks
4%synergy
Scrapdiver Serpent
16%inclusion20 decks124 decks
16%synergy
Sakashima the Impostor
16%inclusion20 decks124 decks
14%synergy
Enduring Vitality
15%inclusion16 decks108 decks
7%synergy
Tolarian Kraken
15%inclusion18 decks124 decks
13%synergy
Ohran Frostfang
15%inclusion18 decks124 decks
11%synergy
Tolarian Terror
15%inclusion18 decks124 decks
14%synergy
Mesmerizing Benthid
15%inclusion18 decks124 decks
14%synergy
Verazol, the Split Current
14%inclusion17 decks124 decks
13%synergy
Roaming Throne
13%inclusion16 decks124 decks
6%synergy
Instants
Beast Within
47%inclusion58 decks124 decks
-2%synergy
Negate
43%inclusion53 decks124 decks
18%synergy
Heroic Intervention
40%inclusion49 decks124 decks
9%synergy
Simic Charm
36%inclusion45 decks124 decks
29%synergy
Double Major
32%inclusion40 decks124 decks
24%synergy
Return of the Wildspeaker
31%inclusion39 decks124 decks
21%synergy
Arcane Denial
29%inclusion36 decks124 decks
7%synergy
Second Harvest
27%inclusion34 decks124 decks
21%synergy
Krosan Grip
26%inclusion32 decks124 decks
19%synergy
Planar Genesis
26%inclusion32 decks124 decks
15%synergy
Mana Drain
21%inclusion26 decks124 decks
6%synergy
Pongify
20%inclusion25 decks124 decks
-5%synergy
Rapid Hybridization
19%inclusion23 decks124 decks
-8%synergy
Aetherize
18%inclusion22 decks124 decks
6%synergy
Eureka Moment
17%inclusion21 decks124 decks
5%synergy
Harrow
17%inclusion21 decks124 decks
5%synergy
Engulf the Shore
17%inclusion21 decks124 decks
15%synergy
An Offer You Can't Refuse
15%inclusion19 decks124 decks
-8%synergy
Brainstorm
15%inclusion19 decks124 decks
1%synergy
Return to Nature
15%inclusion19 decks124 decks
10%synergy
Reality Shift
15%inclusion18 decks124 decks
0%synergy
Swan Song
15%inclusion18 decks124 decks
-4%synergy
Nature's Claim
10%inclusion13 decks124 decks
1%synergy
Plasm Capture
10%inclusion12 decks124 decks
7%synergy
Snakeskin Veil
8.9%inclusion11 decks124 decks
3%synergy
Decisive Denial
8.1%inclusion10 decks124 decks
2%synergy
Voidslime
8.1%inclusion10 decks124 decks
3%synergy
Entish Restoration
8.1%inclusion10 decks124 decks
-1%synergy
Mystic Reflection
7.3%inclusion9 decks124 decks
5%synergy
High Tide
7.3%inclusion9 decks124 decks
5%synergy
Pact of Negation
7.3%inclusion9 decks124 decks
1%synergy
Archdruid's Charm
6.5%inclusion8 decks124 decks
1%synergy
Tamiyo's Safekeeping
6.5%inclusion8 decks124 decks
1%synergy
Collective Resistance
6.5%inclusion8 decks124 decks
3%synergy
Chord of Calling
5.6%inclusion7 decks124 decks
-2%synergy
Sink into Stupor
5.6%inclusion7 decks124 decks
-6%synergy
Divergent Equation
5.6%inclusion1 decks18 decks
4%synergy
Harmonized Crescendo
5.0%inclusion2 decks40 decks
3%synergy
Sorceries
Three Visits
40%inclusion49 decks124 decks
14%synergy
Irenicus's Vile Duplication
39%inclusion48 decks124 decks
33%synergy
Explore
35%inclusion43 decks124 decks
15%synergy
Urban Evolution
27%inclusion34 decks124 decks
18%synergy
Skyshroud Claim
27%inclusion33 decks124 decks
17%synergy
Overwhelming Stampede
19%inclusion24 decks124 decks
7%synergy
Rite of Replication
16%inclusion20 decks124 decks
9%synergy
Crush of Tentacles
15%inclusion19 decks124 decks
14%synergy
Migration Path
15%inclusion18 decks124 decks
11%synergy
Quantum Misalignment
14%inclusion17 decks124 decks
11%synergy
Last March of the Ents
11%inclusion14 decks124 decks
8%synergy
Rishkar's Expertise
11%inclusion14 decks124 decks
2%synergy
Explosive Vegetation
11%inclusion14 decks124 decks
5%synergy
Search for Tomorrow
10%inclusion13 decks124 decks
6%synergy
Harmonize
10%inclusion12 decks124 decks
4%synergy
Shamanic Revelation
10%inclusion12 decks124 decks
5%synergy
Ponder
8.1%inclusion10 decks124 decks
1%synergy
Shared Roots
7.1%inclusion3 decks42 decks
2%synergy
Windfall
6.5%inclusion8 decks124 decks
3%synergy
Tempt with Discovery
6.5%inclusion8 decks124 decks
2%synergy
Curse of the Swine
6.5%inclusion8 decks124 decks
-5%synergy
Triumph of the Hordes
5.6%inclusion7 decks124 decks
3%synergy
Sea Gate Restoration
5.6%inclusion7 decks124 decks
0%synergy
Distant Melody
5.6%inclusion7 decks124 decks
3%synergy
Doppelgang
5.6%inclusion7 decks124 decks
-1%synergy
Bala Ged Recovery
5.6%inclusion7 decks124 decks
-4%synergy
Planar Engineering
5.6%inclusion1 decks18 decks
1%synergy
Germination Practicum
5.6%inclusion1 decks18 decks
0%synergy
Utility Artifacts
Swiftfoot Boots
40%inclusion50 decks124 decks
16%synergy
Helm of the Host
35%inclusion44 decks124 decks
30%synergy
Lightning Greaves
31%inclusion38 decks124 decks
10%synergy
Kefnet's Monument
27%inclusion33 decks124 decks
26%synergy
Sapphire Medallion
17%inclusion21 decks124 decks
13%synergy
Combine Chrysalis
15%inclusion19 decks124 decks
11%synergy
Emerald Medallion
12%inclusion15 decks124 decks
9%synergy
The Great Henge
10%inclusion13 decks124 decks
1%synergy
Bident of Thassa
10%inclusion12 decks124 decks
3%synergy
Urza's Incubator
8.9%inclusion11 decks124 decks
7%synergy
Mirror Box
8.1%inclusion10 decks124 decks
5%synergy
Monster Manual
8.1%inclusion10 decks124 decks
6%synergy
Rhonas's Monument
8.1%inclusion10 decks124 decks
7%synergy
Coat of Arms
6.5%inclusion8 decks124 decks
5%synergy
Herald's Horn
6.5%inclusion8 decks124 decks
3%synergy
Idol of Oblivion
6.5%inclusion8 decks124 decks
3%synergy
Enchantments
Garruk's Uprising
40%inclusion50 decks124 decks
23%synergy
Tribute to the World Tree
40%inclusion49 decks124 decks
34%synergy
Quest for Ula's Temple
34%inclusion42 decks124 decks
31%synergy
Doubling Season
33%inclusion41 decks124 decks
23%synergy
Ominous Seas
31%inclusion38 decks124 decks
27%synergy
Kindred Discovery
24%inclusion30 decks124 decks
15%synergy
Kiora Bests the Sea God
19%inclusion23 decks124 decks
17%synergy
Mystic Remora
15%inclusion19 decks124 decks
1%synergy
Unnatural Growth
14%inclusion17 decks124 decks
10%synergy
Exploration
10%inclusion13 decks124 decks
-2%synergy
Beastmaster Ascension
10%inclusion13 decks124 decks
7%synergy
Impostor Syndrome
10%inclusion5 decks48 decks
9%synergy
Khalni Heart Expedition
10%inclusion12 decks124 decks
6%synergy
Wilderness Reclamation
8.9%inclusion11 decks124 decks
0%synergy
Sylvan Library
8.9%inclusion11 decks124 decks
0%synergy
Utopia Sprawl
8.1%inclusion10 decks124 decks
2%synergy
Up the Beanstalk
8.1%inclusion10 decks124 decks
4%synergy
Burgeoning
8.1%inclusion10 decks124 decks
1%synergy
Defense of the Heart
8.1%inclusion10 decks124 decks
6%synergy
Moonlit Meditation
8.0%inclusion4 decks50 decks
7%synergy
Cryptolith Rite
7.3%inclusion9 decks124 decks
4%synergy
Primal Vigor
7.3%inclusion9 decks124 decks
4%synergy
Paradox Haze
7.3%inclusion9 decks124 decks
7%synergy
Propaganda
7.3%inclusion9 decks124 decks
0%synergy
Growing Rites of Itlimoc
7.3%inclusion9 decks124 decks
2%synergy
Extravagant Replication
6.5%inclusion8 decks124 decks
4%synergy
Levitation
6.5%inclusion8 decks124 decks
6%synergy
Reflections of Littjara
6.5%inclusion8 decks124 decks
-1%synergy
Omniscience
5.6%inclusion7 decks124 decks
1%synergy
Colossal Majesty
5.6%inclusion7 decks124 decks
4%synergy
Springleaf Parade
5.0%inclusion2 decks40 decks
2%synergy
Battles
Invasion of Segovia
10%inclusion13 decks124 decks
10%synergy
Planeswalkers
Kiora, the Crashing Wave
22%inclusion27 decks124 decks
19%synergy
Oko, Thief of Crowns
8.1%inclusion10 decks124 decks
2%synergy
Kiora, Master of the Depths
7.3%inclusion9 decks124 decks
5%synergy
Kiora, Behemoth Beckoner
6.5%inclusion8 decks124 decks
0%synergy
Oko, Lorwyn Liege
5.0%inclusion2 decks40 decks
4%synergy
Utility Lands
Reliquary Tower
66%inclusion82 decks124 decks
16%synergy
Mosswort Bridge
29%inclusion36 decks124 decks
12%synergy
Temple of the False God
27%inclusion34 decks124 decks
12%synergy
Rogue's Passage
20%inclusion25 decks124 decks
-3%synergy
Yavimaya, Cradle of Growth
19%inclusion24 decks124 decks
-2%synergy
Mystic Sanctuary
17%inclusion21 decks124 decks
5%synergy
Evendo, Waking Haven
16%inclusion8 decks51 decks
11%synergy
Boseiju, Who Endures
15%inclusion19 decks124 decks
-7%synergy
Mistrise Village
12%inclusion7 decks57 decks
1%synergy
Three Tree City
11%inclusion13 decks118 decks
6%synergy
Dark Depths
10%inclusion13 decks124 decks
4%synergy
Coral Atoll
10%inclusion12 decks124 decks
7%synergy
Castle Garenbrig
10%inclusion12 decks124 decks
5%synergy
Otawara, Soaring City
10%inclusion12 decks124 decks
-9%synergy
Alchemist's Refuge
8.9%inclusion11 decks124 decks
-10%synergy
Command Beacon
8.9%inclusion11 decks124 decks
5%synergy
Castle Vantress
8.1%inclusion10 decks124 decks
1%synergy
Restless Vinestalk
5.6%inclusion7 decks124 decks
1%synergy
Thespian's Stage
5.6%inclusion7 decks124 decks
-1%synergy
Mana Artifacts
Sol Ring
93%inclusion115 decks124 decks
13%synergy
Arcane Signet
80%inclusion99 decks124 decks
17%synergy
Simic Signet
40%inclusion50 decks124 decks
10%synergy
Thought Vessel
30%inclusion37 decks124 decks
10%synergy
Talisman of Curiosity
22%inclusion27 decks124 decks
0%synergy
Commander's Sphere
11%inclusion14 decks124 decks
4%synergy
Decanter of Endless Water
10%inclusion13 decks124 decks
6%synergy
Thran Dynamo
10%inclusion12 decks124 decks
7%synergy
Herd Heirloom
5.4%inclusion3 decks56 decks
3%synergy
Lands
Forest
92%inclusion114 decks124 decks
-4%synergy
Island
91%inclusion113 decks124 decks
-5%synergy
Command Tower
86%inclusion107 decks124 decks
1%synergy
Hinterland Harbor
64%inclusion79 decks124 decks
2%synergy
Simic Growth Chamber
62%inclusion77 decks124 decks
15%synergy
Dreamroot Cascade
51%inclusion63 decks124 decks
6%synergy
Rejuvenating Springs
46%inclusion57 decks124 decks
4%synergy
Temple of Mystery
45%inclusion56 decks124 decks
8%synergy
Breeding Pool
44%inclusion54 decks124 decks
-4%synergy
Flooded Grove
40%inclusion50 decks124 decks
-3%synergy
Yavimaya Coast
35%inclusion43 decks124 decks
-18%synergy
Vineglimmer Snarl
34%inclusion42 decks124 decks
-6%synergy
Barkchannel Pathway
32%inclusion40 decks124 decks
13%synergy
Thornwood Falls
32%inclusion40 decks124 decks
15%synergy
Myriad Landscape
28%inclusion35 decks124 decks
8%synergy
Evolving Wilds
28%inclusion35 decks124 decks
4%synergy
Tangled Islet
27%inclusion34 decks124 decks
12%synergy
Misty Rainforest
23%inclusion29 decks124 decks
-7%synergy
Willowrush Verge
21%inclusion13 decks63 decks
2%synergy
Exotic Orchard
19%inclusion23 decks124 decks
-6%synergy
Terramorphic Expanse
18%inclusion22 decks124 decks
-2%synergy
Sodden Verdure
18%inclusion7 decks40 decks
-3%synergy
Rain-Slicked Copse
18%inclusion7 decks40 decks
8%synergy
Rimewood Falls
15%inclusion19 decks124 decks
7%synergy
Hedge Maze
15%inclusion19 decks124 decks
-4%synergy
Overflowing Basin
15%inclusion18 decks124 decks
-7%synergy
Waterlogged Grove
14%inclusion17 decks124 decks
-6%synergy
Path of Ancestry
14%inclusion17 decks124 decks
-4%synergy
Snow-Covered Forest
13%inclusion16 decks124 decks
7%synergy
Snow-Covered Island
12%inclusion15 decks124 decks
6%synergy
Tropical Island
12%inclusion15 decks124 decks
-2%synergy
Blighted Woodland
10%inclusion12 decks124 decks
3%synergy
Botanical Sanctum
10%inclusion12 decks124 decks
-3%synergy
Woodland Stream
10%inclusion12 decks124 decks
5%synergy
Simic Guildgate
10%inclusion12 decks124 decks
0%synergy
Fabled Passage
8.9%inclusion11 decks124 decks
-8%synergy
Littjara Mirrorlake
8.1%inclusion10 decks124 decks
5%synergy
Lush Oasis
6.5%inclusion8 decks124 decks
1%synergy
Glasspool Mimic
6.5%inclusion8 decks124 decks
2%synergy
Guadosalam, Farplane Gateway
5.8%inclusion3 decks52 decks
4%synergy
Sea Gate Restoration
5.6%inclusion7 decks124 decks
0%synergy
Sink into Stupor
5.6%inclusion7 decks124 decks
-6%synergy
Bala Ged Recovery
5.6%inclusion7 decks124 decks
-4%synergy
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