Koma, Cosmos Serpent (Commander) - Core Sea Creatures

Alternate Names:

The Monstrous SerpentThe Monstrous Serpent

Koma, Cosmos Serpent
Rank #342
8decks
As CommanderAs CardAverage DeckDecks
Bracket
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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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Utility Lands
Mana Artifacts
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Arixmethes, Slumbering Isle
100%inclusion8 decks8 decks
87%synergy
Junk Winder
88%inclusion7 decks8 decks
81%synergy
Whelming Wave
88%inclusion7 decks8 decks
77%synergy
Koma, World-Eater
88%inclusion7 decks8 decks
75%synergy
Spawning Kraken
75%inclusion6 decks8 decks
68%synergy
Adrix and Nev, Twincasters
75%inclusion6 decks8 decks
66%synergy
Hullbreaker Horror
75%inclusion6 decks8 decks
58%synergy
Aesi, Tyrant of Gyre Strait
75%inclusion6 decks8 decks
57%synergy
Slinn Voda, the Rising Deep
63%inclusion5 decks8 decks
57%synergy
Serpent of Yawning Depths
63%inclusion5 decks8 decks
56%synergy
Top Cards
Cultivate
88%inclusion7 decks8 decks
42%synergy
Rampant Growth
75%inclusion6 decks8 decks
36%synergy
Kodama's Reach
63%inclusion5 decks8 decks
29%synergy
Xolatoyac, the Smiling Flood
63%inclusion5 decks8 decks
56%synergy
Growth Spiral
63%inclusion5 decks8 decks
18%synergy
Doubling Season
50%inclusion4 decks8 decks
39%synergy
Tatyova, Benthic Druid
50%inclusion4 decks8 decks
21%synergy
Second Harvest
50%inclusion4 decks8 decks
44%synergy
Murkfiend Liege
50%inclusion4 decks8 decks
37%synergy
Swiftfoot Boots
50%inclusion4 decks8 decks
25%synergy
Game Changers
Natural Order
13%inclusion1 decks8 decks
11%synergy
Creatures
Sakura-Tribe Elder
50%inclusion4 decks8 decks
32%synergy
Eternal Witness
38%inclusion3 decks8 decks
19%synergy
Iceridge Serpent
38%inclusion3 decks8 decks
37%synergy
Moritte of the Frost
38%inclusion3 decks8 decks
36%synergy
Spark Double
38%inclusion3 decks8 decks
29%synergy
Sakashima of a Thousand Faces
38%inclusion3 decks8 decks
33%synergy
Kiora, Sovereign of the Deep
38%inclusion3 decks8 decks
36%synergy
Tromokratis
38%inclusion3 decks8 decks
33%synergy
Esix, Fractal Bloom
38%inclusion3 decks8 decks
34%synergy
Tolarian Terror
38%inclusion3 decks8 decks
37%synergy
Reef Worm
38%inclusion3 decks8 decks
34%synergy
Summon: Leviathan
38%inclusion3 decks8 decks
31%synergy
Troyan, Gutsy Explorer
25%inclusion2 decks8 decks
21%synergy
Roaming Throne
25%inclusion2 decks8 decks
18%synergy
Elvish Mystic
25%inclusion2 decks8 decks
2%synergy
Scourge of Fleets
25%inclusion2 decks8 decks
18%synergy
Nadir Kraken
25%inclusion2 decks8 decks
22%synergy
Llanowar Elves
25%inclusion2 decks8 decks
-3%synergy
Auton Soldier
25%inclusion2 decks8 decks
22%synergy
Archetype of Imagination
25%inclusion2 decks8 decks
21%synergy
Ohran Frostfang
25%inclusion2 decks8 decks
21%synergy
Charix, the Raging Isle
25%inclusion2 decks8 decks
22%synergy
Birds of Paradise
25%inclusion2 decks8 decks
-3%synergy
Sword Coast Serpent
25%inclusion2 decks8 decks
24%synergy
Inkwell Leviathan
25%inclusion2 decks8 decks
21%synergy
Simic Sky Swallower
25%inclusion2 decks8 decks
21%synergy
Chameleon, Master of Disguise
25%inclusion2 decks8 decks
23%synergy
Studious First-Year
20%inclusion1 decks5 decks
16%synergy
The Unagi of Kyoshi Island
17%inclusion1 decks6 decks
12%synergy
Garruk's Packleader
13%inclusion1 decks8 decks
10%synergy
Stormtide Leviathan
13%inclusion1 decks8 decks
7%synergy
Grappling Kraken
13%inclusion1 decks8 decks
9%synergy
Beanstalk Giant
13%inclusion1 decks8 decks
8%synergy
Wonder
13%inclusion1 decks8 decks
10%synergy
Stonehoof Chieftain
13%inclusion1 decks8 decks
12%synergy
Mulldrifter
13%inclusion1 decks8 decks
7%synergy
Orvar, the All-Form
13%inclusion1 decks8 decks
12%synergy
Sludge Monster
13%inclusion1 decks8 decks
12%synergy
Phyrexian Metamorph
13%inclusion1 decks8 decks
4%synergy
Inga and Esika
13%inclusion1 decks8 decks
10%synergy
Enduring Vitality
13%inclusion1 decks8 decks
5%synergy
Waker of Waves
13%inclusion1 decks8 decks
12%synergy
Ornithopter of Paradise
13%inclusion1 decks8 decks
7%synergy
Thrasios, Triton Hero
13%inclusion1 decks8 decks
5%synergy
Reservoir Kraken
13%inclusion1 decks8 decks
11%synergy
Arbor Elf
13%inclusion1 decks8 decks
7%synergy
Kenessos, Priest of Thassa
13%inclusion1 decks8 decks
11%synergy
Avenger of Zendikar
13%inclusion1 decks8 decks
-3%synergy
Saryth, the Viper's Fang
13%inclusion1 decks8 decks
11%synergy
Bloodline Pretender
13%inclusion1 decks8 decks
12%synergy
Instants
Counterspell
50%inclusion4 decks8 decks
1%synergy
Eureka Moment
38%inclusion3 decks8 decks
26%synergy
Heroic Intervention
38%inclusion3 decks8 decks
7%synergy
Decisive Denial
38%inclusion3 decks8 decks
31%synergy
Negate
38%inclusion3 decks8 decks
13%synergy
Double Major
38%inclusion3 decks8 decks
30%synergy
Brainstorm
25%inclusion2 decks8 decks
10%synergy
Mystic Reflection
25%inclusion2 decks8 decks
23%synergy
Sublime Epiphany
25%inclusion2 decks8 decks
23%synergy
Saw It Coming
25%inclusion2 decks8 decks
24%synergy
Joint Exploration
25%inclusion2 decks8 decks
20%synergy
Repudiate // Replicate
25%inclusion2 decks8 decks
23%synergy
Tamiyo's Safekeeping
25%inclusion2 decks8 decks
20%synergy
Voidslime
25%inclusion2 decks8 decks
20%synergy
Simic Charm
25%inclusion2 decks8 decks
18%synergy
Heritage Reclamation
13%inclusion1 decks8 decks
11%synergy
Essence Capture
13%inclusion1 decks8 decks
11%synergy
Artisan's Sorrow
13%inclusion1 decks8 decks
12%synergy
See Double
13%inclusion1 decks8 decks
11%synergy
Snakeskin Veil
13%inclusion1 decks8 decks
6%synergy
An Offer You Can't Refuse
13%inclusion1 decks8 decks
-11%synergy
Stubborn Denial
13%inclusion1 decks8 decks
10%synergy
Archdruid's Charm
13%inclusion1 decks8 decks
7%synergy
Krosan Grip
13%inclusion1 decks8 decks
6%synergy
You Find the Villains' Lair
13%inclusion1 decks8 decks
12%synergy
Mindbreak Trap
13%inclusion1 decks8 decks
8%synergy
Disruption Protocol
13%inclusion1 decks8 decks
12%synergy
Tail Swipe
13%inclusion1 decks8 decks
12%synergy
Roiling Regrowth
13%inclusion1 decks8 decks
9%synergy
Thought Collapse
13%inclusion1 decks8 decks
12%synergy
Reality Shift
13%inclusion1 decks8 decks
-2%synergy
Break Down
13%inclusion1 decks8 decks
12%synergy
Entish Restoration
13%inclusion1 decks8 decks
4%synergy
Mana Drain
13%inclusion1 decks8 decks
-3%synergy
Return to Nature
13%inclusion1 decks8 decks
8%synergy
Aetherize
13%inclusion1 decks8 decks
0%synergy
Slip Out the Back
13%inclusion1 decks8 decks
9%synergy
Unsummon
13%inclusion1 decks8 decks
11%synergy
Submerge
13%inclusion1 decks8 decks
12%synergy
Quandrix Command
13%inclusion1 decks8 decks
6%synergy
Cackling Counterpart
13%inclusion1 decks8 decks
9%synergy
Anticipate
13%inclusion1 decks8 decks
12%synergy
Arcane Denial
13%inclusion1 decks8 decks
-10%synergy
Planar Genesis
13%inclusion1 decks8 decks
2%synergy
Sink into Stupor
13%inclusion1 decks8 decks
0%synergy
Naturalize
13%inclusion1 decks8 decks
11%synergy
Collective Resistance
13%inclusion1 decks8 decks
9%synergy
Neutralize
13%inclusion1 decks8 decks
12%synergy
Withstand Death
13%inclusion1 decks8 decks
12%synergy
Overprotect
13%inclusion1 decks8 decks
11%synergy
Sorceries
Farseek
38%inclusion3 decks8 decks
11%synergy
Nature's Lore
38%inclusion3 decks8 decks
5%synergy
Explore
38%inclusion3 decks8 decks
17%synergy
Three Visits
25%inclusion2 decks8 decks
-1%synergy
Circuitous Route
25%inclusion2 decks8 decks
23%synergy
Skyshroud Claim
25%inclusion2 decks8 decks
16%synergy
Neoform
25%inclusion2 decks8 decks
22%synergy
Quasiduplicate
25%inclusion2 decks8 decks
23%synergy
Explosive Vegetation
25%inclusion2 decks8 decks
19%synergy
Irenicus's Vile Duplication
25%inclusion2 decks8 decks
19%synergy
Bushwhack
25%inclusion2 decks8 decks
23%synergy
Ezuri's Predation
25%inclusion2 decks8 decks
18%synergy
Migration Path
25%inclusion2 decks8 decks
22%synergy
Rite of Replication
25%inclusion2 decks8 decks
18%synergy
Spirit Water Revival
17%inclusion1 decks6 decks
16%synergy
Green Sun's Twilight
13%inclusion1 decks8 decks
12%synergy
Windfall
13%inclusion1 decks8 decks
9%synergy
Portent of Calamity
13%inclusion1 decks8 decks
12%synergy
Traverse the Outlands
13%inclusion1 decks8 decks
9%synergy
Blue Sun's Twilight
13%inclusion1 decks8 decks
12%synergy
Scale the Heights
13%inclusion1 decks8 decks
11%synergy
Croaking Counterpart
13%inclusion1 decks8 decks
8%synergy
Quantum Misalignment
13%inclusion1 decks8 decks
10%synergy
Pest Infestation
13%inclusion1 decks8 decks
10%synergy
Gitaxian Probe
13%inclusion1 decks8 decks
11%synergy
Incubation // Incongruity
13%inclusion1 decks8 decks
11%synergy
Last March of the Ents
13%inclusion1 decks8 decks
9%synergy
Triumph of the Hordes
13%inclusion1 decks8 decks
9%synergy
Curse of the Swine
13%inclusion1 decks8 decks
1%synergy
Grow from the Ashes
13%inclusion1 decks8 decks
11%synergy
Harmonize
13%inclusion1 decks8 decks
7%synergy
Broken Bond
13%inclusion1 decks8 decks
8%synergy
Aggressive Biomancy
13%inclusion1 decks8 decks
8%synergy
Rishkar's Expertise
13%inclusion1 decks8 decks
3%synergy
Search for Tomorrow
13%inclusion1 decks8 decks
9%synergy
Spitting Image
13%inclusion1 decks8 decks
11%synergy
Visions of Duplicity
13%inclusion1 decks8 decks
12%synergy
Urban Evolution
13%inclusion1 decks8 decks
4%synergy
Roamer's Routine
13%inclusion1 decks8 decks
12%synergy
Doppelgang
13%inclusion1 decks8 decks
5%synergy
Shamanic Revelation
13%inclusion1 decks8 decks
8%synergy
Bala Ged Recovery
13%inclusion1 decks8 decks
3%synergy
Cartographer's Survey
13%inclusion1 decks8 decks
12%synergy
Overwhelming Stampede
13%inclusion1 decks8 decks
-0%synergy
Genesis Wave
13%inclusion1 decks8 decks
8%synergy
Path to the Festival
13%inclusion1 decks8 decks
12%synergy
Harvest Season
13%inclusion1 decks8 decks
11%synergy
Reap and Sow
13%inclusion1 decks8 decks
12%synergy
Utility Artifacts
Helm of the Host
38%inclusion3 decks8 decks
33%synergy
Coat of Arms
25%inclusion2 decks8 decks
24%synergy
Esika's Chariot
25%inclusion2 decks8 decks
24%synergy
Sapphire Medallion
25%inclusion2 decks8 decks
21%synergy
Giant's Amulet
13%inclusion1 decks8 decks
12%synergy
Crucible of Worlds
13%inclusion1 decks8 decks
8%synergy
Mirror Box
13%inclusion1 decks8 decks
9%synergy
Ozolith, the Shattered Spire
13%inclusion1 decks8 decks
3%synergy
Ashnod's Altar
13%inclusion1 decks8 decks
12%synergy
Mirror Gallery
13%inclusion1 decks8 decks
12%synergy
Assassin Gauntlet
13%inclusion1 decks8 decks
12%synergy
Banner of Kinship
13%inclusion1 decks8 decks
11%synergy
Maskwood Nexus
13%inclusion1 decks8 decks
10%synergy
Combine Chrysalis
13%inclusion1 decks8 decks
8%synergy
Kefnet's Monument
13%inclusion1 decks8 decks
12%synergy
Rhonas's Monument
13%inclusion1 decks8 decks
12%synergy
Champion's Helm
13%inclusion1 decks8 decks
12%synergy
Goldvein Pick
13%inclusion1 decks8 decks
12%synergy
Idol of Oblivion
13%inclusion1 decks8 decks
9%synergy
Lightning Greaves
13%inclusion1 decks8 decks
-7%synergy
Emerald Medallion
13%inclusion1 decks8 decks
9%synergy
Vivien's Arkbow
13%inclusion1 decks8 decks
12%synergy
The Earth Crystal
13%inclusion1 decks8 decks
6%synergy
Enchantments
Kindred Discovery
38%inclusion3 decks8 decks
28%synergy
Garruk's Uprising
38%inclusion3 decks8 decks
20%synergy
Parallel Lives
38%inclusion3 decks8 decks
31%synergy
Exploration
25%inclusion2 decks8 decks
12%synergy
Quest for Ula's Temple
25%inclusion2 decks8 decks
23%synergy
Tribute to the World Tree
25%inclusion2 decks8 decks
19%synergy
Unnatural Growth
25%inclusion2 decks8 decks
22%synergy
Reflections of Littjara
25%inclusion2 decks8 decks
18%synergy
Elemental Bond
25%inclusion2 decks8 decks
19%synergy
Primeval Bounty
25%inclusion2 decks8 decks
23%synergy
Up the Beanstalk
13%inclusion1 decks8 decks
8%synergy
Beastmaster Ascension
13%inclusion1 decks8 decks
9%synergy
Lurking Predators
13%inclusion1 decks8 decks
12%synergy
Verity Circle
13%inclusion1 decks8 decks
12%synergy
Arcane Adaptation
13%inclusion1 decks8 decks
12%synergy
Primal Empathy
13%inclusion1 decks8 decks
10%synergy
Extravagant Replication
13%inclusion1 decks8 decks
10%synergy
Ominous Seas
13%inclusion1 decks8 decks
9%synergy
Ordeal of Nylea
13%inclusion1 decks8 decks
12%synergy
Vesuvan Duplimancy
13%inclusion1 decks8 decks
11%synergy
Wilderness Reclamation
13%inclusion1 decks8 decks
3%synergy
Kiora Bests the Sea God
13%inclusion1 decks8 decks
11%synergy
Mystic Remora
13%inclusion1 decks8 decks
-2%synergy
Sylvan Library
13%inclusion1 decks8 decks
4%synergy
Witness Protection
13%inclusion1 decks8 decks
10%synergy
Curator's Ward
13%inclusion1 decks8 decks
12%synergy
Dismiss into Dream
13%inclusion1 decks8 decks
12%synergy
Opposition
13%inclusion1 decks8 decks
12%synergy
Retreat to Coralhelm
13%inclusion1 decks8 decks
4%synergy
Corrupted Conscience
13%inclusion1 decks8 decks
12%synergy
Primal Vigor
13%inclusion1 decks8 decks
9%synergy
Mind's Dilation
13%inclusion1 decks8 decks
12%synergy
Gaea's Touch
13%inclusion1 decks8 decks
12%synergy
Court of Bounty
13%inclusion1 decks8 decks
12%synergy
Mirror Room // Fractured Realm
13%inclusion1 decks8 decks
11%synergy
Defense of the Heart
13%inclusion1 decks8 decks
10%synergy
Propaganda
13%inclusion1 decks8 decks
6%synergy
Growing Rites of Itlimoc
13%inclusion1 decks8 decks
7%synergy
Awakening Zone
13%inclusion1 decks8 decks
11%synergy
The Clone Saga
13%inclusion1 decks8 decks
12%synergy
Impostor Syndrome
13%inclusion1 decks8 decks
11%synergy
Battles
Invasion of Segovia
13%inclusion1 decks8 decks
12%synergy
Planeswalkers
Kiora, Behemoth Beckoner
25%inclusion2 decks8 decks
19%synergy
Kiora, Master of the Depths
13%inclusion1 decks8 decks
10%synergy
Oko, the Ringleader
13%inclusion1 decks8 decks
12%synergy
Tamiyo, Collector of Tales
13%inclusion1 decks8 decks
11%synergy
Utility Lands
Mystic Sanctuary
50%inclusion4 decks8 decks
38%synergy
Reliquary Tower
50%inclusion4 decks8 decks
-0%synergy
Temple of the False God
38%inclusion3 decks8 decks
22%synergy
Rogue's Passage
38%inclusion3 decks8 decks
14%synergy
Restless Vinestalk
25%inclusion2 decks8 decks
21%synergy
Castle Vantress
25%inclusion2 decks8 decks
19%synergy
Lotus Field
13%inclusion1 decks8 decks
11%synergy
Arcane Lighthouse
13%inclusion1 decks8 decks
12%synergy
Mistrise Village
13%inclusion1 decks8 decks
2%synergy
Seat of the Synod
13%inclusion1 decks8 decks
9%synergy
Arid Archway
13%inclusion1 decks8 decks
11%synergy
Soulstone Sanctuary
13%inclusion1 decks8 decks
12%synergy
Vesuva
13%inclusion1 decks8 decks
7%synergy
Lonely Sandbar
13%inclusion1 decks8 decks
9%synergy
Skyline Cascade
13%inclusion1 decks8 decks
12%synergy
Mosswort Bridge
13%inclusion1 decks8 decks
-4%synergy
Command Beacon
13%inclusion1 decks8 decks
9%synergy
Yavimaya, Cradle of Growth
13%inclusion1 decks8 decks
-8%synergy
Tranquil Thicket
13%inclusion1 decks8 decks
9%synergy
Three Tree City
13%inclusion1 decks8 decks
8%synergy
Crawling Barrens
13%inclusion1 decks8 decks
12%synergy
Bonders' Enclave
13%inclusion1 decks8 decks
11%synergy
Field of Ruin
13%inclusion1 decks8 decks
10%synergy
Evendo, Waking Haven
13%inclusion1 decks8 decks
7%synergy
Mana Artifacts
Sol Ring
100%inclusion8 decks8 decks
20%synergy
Arcane Signet
75%inclusion6 decks8 decks
12%synergy
Simic Signet
25%inclusion2 decks8 decks
-4%synergy
Talisman of Curiosity
25%inclusion2 decks8 decks
4%synergy
Simic Cluestone
13%inclusion1 decks8 decks
12%synergy
Commander's Sphere
13%inclusion1 decks8 decks
6%synergy
Replicating Ring
13%inclusion1 decks8 decks
11%synergy
Heraldic Banner
13%inclusion1 decks8 decks
12%synergy
Patchwork Banner
13%inclusion1 decks8 decks
9%synergy
Thought Vessel
13%inclusion1 decks8 decks
-7%synergy
Gilded Lotus
13%inclusion1 decks8 decks
11%synergy
Lands
Forest
100%inclusion8 decks8 decks
4%synergy
Island
88%inclusion7 decks8 decks
-8%synergy
Command Tower
75%inclusion6 decks8 decks
-10%synergy
Thornwood Falls
63%inclusion5 decks8 decks
46%synergy
Terramorphic Expanse
50%inclusion4 decks8 decks
30%synergy
Myriad Landscape
50%inclusion4 decks8 decks
30%synergy
Vineglimmer Snarl
50%inclusion4 decks8 decks
10%synergy
Temple of Mystery
50%inclusion4 decks8 decks
13%synergy
Dreamroot Cascade
50%inclusion4 decks8 decks
4%synergy
Hinterland Harbor
50%inclusion4 decks8 decks
-12%synergy
Simic Growth Chamber
38%inclusion3 decks8 decks
-8%synergy
Breeding Pool
38%inclusion3 decks8 decks
-10%synergy
Evolving Wilds
38%inclusion3 decks8 decks
13%synergy
Flooded Grove
38%inclusion3 decks8 decks
-6%synergy
Fabled Passage
25%inclusion2 decks8 decks
7%synergy
Quandrix Campus
25%inclusion2 decks8 decks
18%synergy
Littjara Mirrorlake
25%inclusion2 decks8 decks
22%synergy
Yavimaya Coast
25%inclusion2 decks8 decks
-28%synergy
Tangled Islet
25%inclusion2 decks8 decks
9%synergy
Overflowing Basin
25%inclusion2 decks8 decks
3%synergy
Snow-Covered Forest
25%inclusion2 decks8 decks
19%synergy
Path of Ancestry
25%inclusion2 decks8 decks
7%synergy
Lush Oasis
25%inclusion2 decks8 decks
20%synergy
Rejuvenating Springs
25%inclusion2 decks8 decks
-18%synergy
Sodden Verdure
17%inclusion1 decks6 decks
-6%synergy
Misty Rainforest
13%inclusion1 decks8 decks
-19%synergy
Exotic Orchard
13%inclusion1 decks8 decks
-13%synergy
Tanglepool Bridge
13%inclusion1 decks8 decks
8%synergy
Barkchannel Pathway
13%inclusion1 decks8 decks
-7%synergy
Snow-Covered Island
13%inclusion1 decks8 decks
7%synergy
Secluded Courtyard
13%inclusion1 decks8 decks
6%synergy
Botanical Sanctum
13%inclusion1 decks8 decks
-0%synergy
Cavern of Souls
13%inclusion1 decks8 decks
8%synergy
Rimewood Falls
13%inclusion1 decks8 decks
5%synergy
Sink into Stupor
13%inclusion1 decks8 decks
0%synergy
Brokers Hideout
13%inclusion1 decks8 decks
8%synergy
Glasspool Mimic
13%inclusion1 decks8 decks
8%synergy
Willowrush Verge
13%inclusion1 decks8 decks
-6%synergy
Hedge Maze
13%inclusion1 decks8 decks
-7%synergy
Bala Ged Recovery
13%inclusion1 decks8 decks
3%synergy
Uncharted Haven
13%inclusion1 decks8 decks
12%synergy
Woodland Stream
13%inclusion1 decks8 decks
8%synergy
Simic Guildgate
13%inclusion1 decks8 decks
4%synergy
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