Koma, Cosmos Serpent (Commander) - Sea Creatures

Alternate Names:

The Monstrous SerpentThe Monstrous Serpent

Koma, Cosmos Serpent
Rank #342
127decks
As CommanderAs CardAverage DeckDecks
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1
234
5
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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Elrond, Moon-Reader
5.0%inclusion1 decks20 decks
3%synergy
High Synergy Cards
Whelming Wave
91%inclusion116 decks127 decks
81%synergy
Serpent of Yawning Depths
80%inclusion102 decks127 decks
74%synergy
Adrix and Nev, Twincasters
73%inclusion93 decks127 decks
64%synergy
Koma, World-Eater
76%inclusion78 decks103 decks
64%synergy
Junk Winder
66%inclusion84 decks127 decks
60%synergy
Spawning Kraken
65%inclusion83 decks127 decks
59%synergy
Arixmethes, Slumbering Isle
69%inclusion88 decks127 decks
56%synergy
Aesi, Tyrant of Gyre Strait
74%inclusion94 decks127 decks
56%synergy
Elemental Bond
55%inclusion70 decks127 decks
49%synergy
Slinn Voda, the Rising Deep
55%inclusion70 decks127 decks
49%synergy
Top Cards
Cultivate
81%inclusion103 decks127 decks
36%synergy
Rampant Growth
75%inclusion95 decks127 decks
36%synergy
Kodama's Reach
75%inclusion95 decks127 decks
41%synergy
Counterspell
73%inclusion93 decks127 decks
25%synergy
Growth Spiral
69%inclusion88 decks127 decks
25%synergy
Hullbreaker Horror
55%inclusion70 decks127 decks
38%synergy
Nature's Lore
48%inclusion61 decks127 decks
15%synergy
Parallel Lives
48%inclusion61 decks127 decks
42%synergy
Farseek
47%inclusion60 decks127 decks
21%synergy
Summon: Leviathan
47%inclusion32 decks68 decks
40%synergy
Game Changers
Cyclonic Rift
33%inclusion42 decks127 decks
10%synergy
Rhystic Study
27%inclusion34 decks127 decks
7%synergy
Worldly Tutor
20%inclusion25 decks127 decks
6%synergy
Fierce Guardianship
17%inclusion21 decks127 decks
1%synergy
Seedborn Muse
16%inclusion20 decks127 decks
-0%synergy
Consecrated Sphinx
11%inclusion14 decks127 decks
3%synergy
Mystical Tutor
8.7%inclusion11 decks127 decks
1%synergy
Force of Will
7.1%inclusion9 decks127 decks
-2%synergy
Ancient Tomb
5.5%inclusion7 decks127 decks
-3%synergy
Creatures
Xolatoyac, the Smiling Flood
45%inclusion57 decks127 decks
38%synergy
Scourge of Fleets
41%inclusion52 decks127 decks
34%synergy
Spark Double
39%inclusion50 decks127 decks
31%synergy
Kiora, Sovereign of the Deep
39%inclusion49 decks127 decks
37%synergy
Murkfiend Liege
38%inclusion48 decks127 decks
25%synergy
Nadir Kraken
35%inclusion45 decks127 decks
32%synergy
Tatyova, Benthic Druid
35%inclusion45 decks127 decks
6%synergy
BIRDS OF PARADISE
35%inclusion44 decks127 decks
7%synergy
Tromokratis
34%inclusion43 decks127 decks
29%synergy
Stormtide Leviathan
33%inclusion42 decks127 decks
28%synergy
The Unagi of Kyoshi Island
33%inclusion19 decks58 decks
28%synergy
Stormsurge Kraken
31%inclusion40 decks127 decks
27%synergy
LLANOWAR ELVES
30%inclusion38 decks127 decks
2%synergy
Inkwell Leviathan
29%inclusion37 decks127 decks
25%synergy
Sakura-Tribe Elder
28%inclusion35 decks127 decks
9%synergy
Sword Coast Serpent
27%inclusion34 decks127 decks
25%synergy
Sakashima of a Thousand Faces
27%inclusion34 decks127 decks
22%synergy
Nezahal, Primal Tide
24%inclusion31 decks127 decks
14%synergy
Simic Sky Swallower
24%inclusion31 decks127 decks
21%synergy
Craterhoof Behemoth
24%inclusion30 decks127 decks
13%synergy
Starwinder
23%inclusion15 decks66 decks
17%synergy
Archetype of Imagination
22%inclusion28 decks127 decks
18%synergy
Reef Worm
22%inclusion28 decks127 decks
19%synergy
Shipbreaker Kraken
22%inclusion28 decks127 decks
20%synergy
Elvish Mystic
21%inclusion27 decks127 decks
-2%synergy
Brinelin, the Moon Kraken
20%inclusion26 decks127 decks
17%synergy
Esix, Fractal Bloom
20%inclusion26 decks127 decks
17%synergy
Deep-Sea Kraken
20%inclusion26 decks127 decks
18%synergy
Octomancer
20%inclusion25 decks127 decks
15%synergy
Garruk's Packleader
20%inclusion25 decks127 decks
18%synergy
Monstrosity of the Lake
20%inclusion25 decks127 decks
17%synergy
Cryptic Serpent
20%inclusion25 decks127 decks
19%synergy
Charix, the Raging Isle
18%inclusion23 decks127 decks
15%synergy
Coiling Oracle
18%inclusion23 decks127 decks
6%synergy
Trench Behemoth
18%inclusion23 decks127 decks
16%synergy
Enduring Vitality
18%inclusion22 decks124 decks
10%synergy
Reservoir Kraken
17%inclusion22 decks127 decks
16%synergy
Roaming Throne
17%inclusion22 decks127 decks
10%synergy
Benthic Anomaly
17%inclusion22 decks127 decks
15%synergy
Sakashima the Impostor
17%inclusion22 decks127 decks
15%synergy
The Watcher in the Water
17%inclusion21 decks127 decks
15%synergy
Ohran Frostfang
16%inclusion20 decks127 decks
12%synergy
Chameleon, Master of Disguise
16%inclusion10 decks64 decks
13%synergy
Lorthos, the Tidemaker
15%inclusion19 decks127 decks
12%synergy
Eternal Witness
14%inclusion18 decks127 decks
-4%synergy
Verazol, the Split Current
14%inclusion18 decks127 decks
14%synergy
Fanatic of Rhonas
14%inclusion18 decks127 decks
9%synergy
Tolarian Terror
13%inclusion17 decks127 decks
13%synergy
Scrapdiver Serpent
13%inclusion17 decks127 decks
13%synergy
Harbor Serpent
13%inclusion17 decks127 decks
13%synergy
Instants
Beast Within
46%inclusion59 decks127 decks
-2%synergy
Negate
45%inclusion57 decks127 decks
20%synergy
Heroic Intervention
43%inclusion55 decks127 decks
13%synergy
Double Major
36%inclusion46 decks127 decks
28%synergy
Second Harvest
35%inclusion44 decks127 decks
28%synergy
Simic Charm
34%inclusion43 decks127 decks
27%synergy
Return of the Wildspeaker
31%inclusion40 decks127 decks
21%synergy
Arcane Denial
28%inclusion36 decks127 decks
6%synergy
Planar Genesis
24%inclusion31 decks127 decks
13%synergy
Krosan Grip
21%inclusion27 decks127 decks
15%synergy
Mana Drain
20%inclusion26 decks127 decks
5%synergy
An Offer You Can't Refuse
20%inclusion25 decks127 decks
-4%synergy
Rapid Hybridization
18%inclusion23 decks127 decks
-9%synergy
Eureka Moment
18%inclusion23 decks127 decks
6%synergy
Pongify
17%inclusion22 decks127 decks
-7%synergy
Aetherize
17%inclusion21 decks127 decks
4%synergy
Swan Song
14%inclusion18 decks127 decks
-5%synergy
Return to Nature
13%inclusion17 decks127 decks
9%synergy
Harrow
13%inclusion16 decks127 decks
1%synergy
Reality Shift
13%inclusion16 decks127 decks
-1%synergy
Brainstorm
12%inclusion15 decks127 decks
-3%synergy
Nature's Claim
12%inclusion15 decks127 decks
3%synergy
Engulf the Shore
11%inclusion14 decks127 decks
9%synergy
Voidslime
11%inclusion14 decks127 decks
6%synergy
Snakeskin Veil
10%inclusion13 decks127 decks
4%synergy
Plasm Capture
10%inclusion13 decks127 decks
7%synergy
Tamiyo's Safekeeping
8.7%inclusion11 decks127 decks
4%synergy
Chord of Calling
7.9%inclusion10 decks127 decks
1%synergy
Sink into Stupor
7.9%inclusion10 decks127 decks
-4%synergy
Pact of Negation
7.9%inclusion10 decks127 decks
2%synergy
Harmonized Crescendo
7.1%inclusion4 decks56 decks
4%synergy
Archdruid's Charm
7.1%inclusion9 decks127 decks
2%synergy
Mystic Reflection
7.1%inclusion9 decks127 decks
5%synergy
Decisive Denial
6.3%inclusion8 decks127 decks
0%synergy
Stubborn Denial
6.3%inclusion8 decks127 decks
4%synergy
Entish Restoration
6.3%inclusion8 decks127 decks
-3%synergy
High Tide
6.3%inclusion8 decks127 decks
4%synergy
Collective Resistance
5.5%inclusion7 decks127 decks
2%synergy
Narset's Reversal
5.5%inclusion7 decks127 decks
4%synergy
Sorceries
Irenicus's Vile Duplication
41%inclusion52 decks127 decks
35%synergy
Three Visits
40%inclusion51 decks127 decks
14%synergy
Explore
36%inclusion46 decks127 decks
16%synergy
Skyshroud Claim
30%inclusion38 decks127 decks
21%synergy
Urban Evolution
24%inclusion30 decks127 decks
15%synergy
Overwhelming Stampede
22%inclusion28 decks127 decks
9%synergy
Quantum Misalignment
17%inclusion21 decks127 decks
14%synergy
Migration Path
16%inclusion20 decks127 decks
13%synergy
Rite of Replication
15%inclusion19 decks127 decks
8%synergy
Shamanic Revelation
13%inclusion16 decks127 decks
8%synergy
Crush of Tentacles
11%inclusion14 decks127 decks
10%synergy
Explosive Vegetation
11%inclusion14 decks127 decks
5%synergy
Search for Tomorrow
10%inclusion13 decks127 decks
6%synergy
Rishkar's Expertise
9.4%inclusion12 decks127 decks
-0%synergy
Last March of the Ents
8.7%inclusion11 decks127 decks
6%synergy
Harmonize
8.7%inclusion11 decks127 decks
4%synergy
Distant Melody
7.9%inclusion10 decks127 decks
5%synergy
Shared Roots
6.9%inclusion4 decks58 decks
1%synergy
Multiversal Recruitment
6.5%inclusion2 decks31 decks
5%synergy
Ponder
5.5%inclusion7 decks127 decks
-2%synergy
Windfall
5.5%inclusion7 decks127 decks
2%synergy
Triumph of the Hordes
5.5%inclusion7 decks127 decks
3%synergy
Sea Gate Restoration
5.5%inclusion7 decks127 decks
0%synergy
Tempt with Discovery
5.5%inclusion7 decks127 decks
2%synergy
Curse of the Swine
5.5%inclusion7 decks127 decks
-6%synergy
Doppelgang
5.5%inclusion7 decks127 decks
-1%synergy
Bala Ged Recovery
5.5%inclusion7 decks127 decks
-4%synergy
Utility Artifacts
Swiftfoot Boots
42%inclusion53 decks127 decks
17%synergy
Helm of the Host
37%inclusion47 decks127 decks
32%synergy
Lightning Greaves
28%inclusion36 decks127 decks
8%synergy
Combine Chrysalis
20%inclusion25 decks127 decks
15%synergy
Kefnet's Monument
19%inclusion24 decks127 decks
18%synergy
Sapphire Medallion
14%inclusion18 decks127 decks
11%synergy
Emerald Medallion
11%inclusion14 decks127 decks
8%synergy
Mirror Box
10%inclusion13 decks127 decks
7%synergy
The Great Henge
9.4%inclusion12 decks127 decks
-0%synergy
Urza's Incubator
8.7%inclusion11 decks127 decks
7%synergy
Monster Manual
7.9%inclusion10 decks127 decks
6%synergy
Bident of Thassa
7.1%inclusion9 decks127 decks
0%synergy
Herald's Horn
6.3%inclusion8 decks127 decks
3%synergy
Idol of Oblivion
6.3%inclusion8 decks127 decks
3%synergy
Coat of Arms
5.5%inclusion7 decks127 decks
4%synergy
Enchantments
Tribute to the World Tree
43%inclusion54 decks127 decks
37%synergy
Doubling Season
38%inclusion48 decks127 decks
27%synergy
Garruk's Uprising
38%inclusion48 decks127 decks
20%synergy
Quest for Ula's Temple
28%inclusion36 decks127 decks
26%synergy
Ominous Seas
25%inclusion32 decks127 decks
22%synergy
Kindred Discovery
24%inclusion30 decks127 decks
14%synergy
Mystic Remora
16%inclusion20 decks127 decks
2%synergy
Unnatural Growth
15%inclusion19 decks127 decks
12%synergy
Beastmaster Ascension
13%inclusion16 decks127 decks
9%synergy
Defense of the Heart
13%inclusion16 decks127 decks
10%synergy
Impostor Syndrome
13%inclusion8 decks64 decks
11%synergy
Exploration
12%inclusion15 decks127 decks
-1%synergy
Kiora Bests the Sea God
12%inclusion15 decks127 decks
10%synergy
Burgeoning
12%inclusion15 decks127 decks
5%synergy
Cryptolith Rite
10%inclusion13 decks127 decks
7%synergy
Propaganda
10%inclusion13 decks127 decks
3%synergy
Utopia Sprawl
9.4%inclusion12 decks127 decks
3%synergy
Wilderness Reclamation
9.4%inclusion12 decks127 decks
0%synergy
Growing Rites of Itlimoc
9.4%inclusion12 decks127 decks
4%synergy
Moonlit Meditation
9.1%inclusion6 decks66 decks
8%synergy
Extravagant Replication
8.7%inclusion11 decks127 decks
6%synergy
Sylvan Library
8.7%inclusion11 decks127 decks
0%synergy
Khalni Heart Expedition
8.7%inclusion11 decks127 decks
5%synergy
Primal Vigor
8.7%inclusion11 decks127 decks
6%synergy
Paradox Haze
8.7%inclusion11 decks127 decks
8%synergy
Springleaf Parade
7.1%inclusion4 decks56 decks
4%synergy
Up the Beanstalk
7.1%inclusion9 decks127 decks
3%synergy
Wild Growth
6.3%inclusion8 decks127 decks
-2%synergy
Levitation
6.3%inclusion8 decks127 decks
6%synergy
Colossal Majesty
6.3%inclusion8 decks127 decks
5%synergy
Imprisoned in the Moon
5.5%inclusion7 decks127 decks
1%synergy
Omniscience
5.5%inclusion7 decks127 decks
1%synergy
Battles
Invasion of Segovia
9.4%inclusion12 decks127 decks
9%synergy
Planeswalkers
Kiora, the Crashing Wave
19%inclusion24 decks127 decks
17%synergy
Oko, Thief of Crowns
9.4%inclusion12 decks127 decks
3%synergy
Kiora, Master of the Depths
6.3%inclusion8 decks127 decks
4%synergy
Kiora, Behemoth Beckoner
6.3%inclusion8 decks127 decks
1%synergy
Oko, Lorwyn Liege
5.4%inclusion3 decks56 decks
4%synergy
Utility Lands
RELIQUARY TOWER
65%inclusion82 decks127 decks
14%synergy
Mosswort Bridge
27%inclusion34 decks127 decks
10%synergy
Temple of the False God
24%inclusion30 decks127 decks
8%synergy
Yavimaya, Cradle of Growth
19%inclusion24 decks127 decks
-2%synergy
Evendo, Waking Haven
18%inclusion12 decks67 decks
13%synergy
Mystic Sanctuary
17%inclusion21 decks127 decks
5%synergy
Rogue's Passage
17%inclusion21 decks127 decks
-7%synergy
Boseiju, Who Endures
15%inclusion19 decks127 decks
-7%synergy
Three Tree City
11%inclusion14 decks127 decks
6%synergy
Otawara, Soaring City
11%inclusion14 decks127 decks
-8%synergy
Mistrise Village
11%inclusion8 decks73 decks
0%synergy
Alchemist's Refuge
10%inclusion13 decks127 decks
-9%synergy
Command Beacon
10%inclusion13 decks127 decks
7%synergy
Dark Depths
9.4%inclusion12 decks127 decks
3%synergy
Castle Garenbrig
9.4%inclusion12 decks127 decks
5%synergy
Coral Atoll
8.7%inclusion11 decks127 decks
6%synergy
Castle Vantress
7.9%inclusion10 decks127 decks
1%synergy
Restless Vinestalk
6.3%inclusion8 decks127 decks
2%synergy
Mana Artifacts
Sol Ring
93%inclusion118 decks127 decks
13%synergy
Arcane Signet
77%inclusion98 decks127 decks
14%synergy
Simic Signet
39%inclusion49 decks127 decks
10%synergy
Thought Vessel
28%inclusion35 decks127 decks
8%synergy
Talisman of Curiosity
22%inclusion28 decks127 decks
1%synergy
Commander's Sphere
13%inclusion16 decks127 decks
6%synergy
Decanter of Endless Water
11%inclusion14 decks127 decks
7%synergy
Thran Dynamo
7.1%inclusion9 decks127 decks
4%synergy
Lands
Island
92%inclusion117 decks127 decks
-4%synergy
Forest
92%inclusion117 decks127 decks
-4%synergy
Command Tower
85%inclusion108 decks127 decks
0%synergy
Hinterland Harbor
67%inclusion85 decks127 decks
5%synergy
Simic Growth Chamber
61%inclusion77 decks127 decks
15%synergy
Dreamroot Cascade
55%inclusion70 decks127 decks
9%synergy
Breeding Pool
48%inclusion61 decks127 decks
0%synergy
Rejuvenating Springs
48%inclusion61 decks127 decks
5%synergy
Flooded Grove
45%inclusion57 decks127 decks
1%synergy
Temple of Mystery
44%inclusion56 decks127 decks
7%synergy
Vineglimmer Snarl
39%inclusion49 decks127 decks
-1%synergy
Yavimaya Coast
37%inclusion47 decks127 decks
-16%synergy
Thornwood Falls
31%inclusion40 decks127 decks
15%synergy
Barkchannel Pathway
31%inclusion39 decks127 decks
11%synergy
Evolving Wilds
27%inclusion34 decks127 decks
3%synergy
Misty Rainforest
25%inclusion32 decks127 decks
-6%synergy
Myriad Landscape
25%inclusion32 decks127 decks
6%synergy
Tangled Islet
24%inclusion30 decks127 decks
8%synergy
Sodden Verdure
20%inclusion11 decks56 decks
-4%synergy
Willowrush Verge
19%inclusion15 decks79 decks
0%synergy
Terramorphic Expanse
18%inclusion23 decks127 decks
-2%synergy
Exotic Orchard
17%inclusion21 decks127 decks
-9%synergy
Hedge Maze
16%inclusion20 decks127 decks
-4%synergy
Waterlogged Grove
15%inclusion19 decks127 decks
-4%synergy
Rain-Slicked Copse
14%inclusion8 decks56 decks
4%synergy
Overflowing Basin
14%inclusion18 decks127 decks
-8%synergy
Fabled Passage
13%inclusion17 decks127 decks
-5%synergy
Rimewood Falls
13%inclusion17 decks127 decks
6%synergy
Path of Ancestry
13%inclusion16 decks127 decks
-5%synergy
Snow-Covered Forest
12%inclusion15 decks127 decks
6%synergy
Snow-Covered Island
11%inclusion14 decks127 decks
5%synergy
Tropical Island
11%inclusion14 decks127 decks
-4%synergy
Woodland Stream
11%inclusion14 decks127 decks
7%synergy
Simic Guildgate
10%inclusion13 decks127 decks
1%synergy
Blighted Woodland
9.4%inclusion12 decks127 decks
3%synergy
Botanical Sanctum
9.4%inclusion12 decks127 decks
-4%synergy
Littjara Mirrorlake
8.7%inclusion11 decks127 decks
5%synergy
Glasspool Mimic
8.7%inclusion11 decks127 decks
4%synergy
Sink into Stupor
7.9%inclusion10 decks127 decks
-4%synergy
Lush Oasis
7.1%inclusion9 decks127 decks
2%synergy
Paradox Gardens
6.7%inclusion3 decks45 decks
-0%synergy
Sea Gate Restoration
5.5%inclusion7 decks127 decks
0%synergy
Bala Ged Recovery
5.5%inclusion7 decks127 decks
-4%synergy
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