Koma, Cosmos Serpent (Commander) - Expensive Core

Alternate Names:

The Monstrous SerpentThe Monstrous Serpent

Koma, Cosmos Serpent
Rank #324
57decks
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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Echocasting Symposium
33%inclusion1 decks3 decks
31%synergy
Irma, Part-Time Mutant
14%inclusion1 decks7 decks
12%synergy
High Synergy Cards
Adrix and Nev, Twincasters
84%inclusion48 decks57 decks
76%synergy
Junk Winder
75%inclusion43 decks57 decks
69%synergy
Spark Double
77%inclusion44 decks57 decks
68%synergy
Parallel Lives
74%inclusion42 decks57 decks
68%synergy
Serpent of Yawning Depths
74%inclusion42 decks57 decks
67%synergy
Elemental Bond
72%inclusion41 decks57 decks
66%synergy
Whelming Wave
75%inclusion43 decks57 decks
64%synergy
Koma, World-Eater
76%inclusion39 decks51 decks
64%synergy
Aesi, Tyrant of Gyre Strait
79%inclusion45 decks57 decks
61%synergy
Irenicus's Vile Duplication
67%inclusion38 decks57 decks
61%synergy
Top Cards
Kodama's Reach
79%inclusion45 decks57 decks
43%synergy
Cultivate
79%inclusion45 decks57 decks
32%synergy
Three Visits
72%inclusion41 decks57 decks
48%synergy
Nature's Lore
72%inclusion41 decks57 decks
41%synergy
Heroic Intervention
70%inclusion40 decks57 decks
40%synergy
Counterspell
70%inclusion40 decks57 decks
21%synergy
Rampant Growth
68%inclusion39 decks57 decks
28%synergy
Doubling Season
65%inclusion37 decks57 decks
55%synergy
Spawning Kraken
65%inclusion37 decks57 decks
58%synergy
Beast Within
63%inclusion36 decks57 decks
14%synergy
Game Changers
Seedborn Muse
19%inclusion11 decks57 decks
3%synergy
Consecrated Sphinx
12%inclusion7 decks57 decks
4%synergy
Rhystic Study
5.3%inclusion3 decks57 decks
-15%synergy
Worldly Tutor
5.3%inclusion3 decks57 decks
-9%synergy
Fierce Guardianship
5.3%inclusion3 decks57 decks
-11%synergy
Creatures
Sakashima of a Thousand Faces
60%inclusion34 decks57 decks
55%synergy
Birds of Paradise
58%inclusion33 decks57 decks
31%synergy
Arixmethes, Slumbering Isle
56%inclusion32 decks57 decks
43%synergy
Sakashima the Impostor
54%inclusion31 decks57 decks
52%synergy
Elvish Mystic
51%inclusion29 decks57 decks
28%synergy
Tatyova, Benthic Druid
49%inclusion28 decks57 decks
19%synergy
Murkfiend Liege
49%inclusion28 decks57 decks
35%synergy
Llanowar Elves
47%inclusion27 decks57 decks
20%synergy
Roaming Throne
44%inclusion25 decks57 decks
36%synergy
Sakura-Tribe Elder
44%inclusion25 decks57 decks
25%synergy
Garruk's Packleader
40%inclusion23 decks57 decks
38%synergy
Hullbreaker Horror
39%inclusion22 decks57 decks
21%synergy
Craterhoof Behemoth
35%inclusion20 decks57 decks
25%synergy
Summon: Leviathan
33%inclusion10 decks30 decks
26%synergy
The Unagi of Kyoshi Island
31%inclusion5 decks16 decks
26%synergy
Slinn Voda, the Rising Deep
30%inclusion17 decks57 decks
24%synergy
Enduring Vitality
29%inclusion16 decks55 decks
21%synergy
Eternal Witness
28%inclusion16 decks57 decks
9%synergy
Ohran Frostfang
28%inclusion16 decks57 decks
24%synergy
Fyndhorn Elves
26%inclusion15 decks57 decks
12%synergy
Curiosity Crafter
25%inclusion14 decks57 decks
21%synergy
Octomancer
24%inclusion13 decks55 decks
19%synergy
Fanatic of Rhonas
23%inclusion13 decks57 decks
17%synergy
Chameleon, Master of Disguise
23%inclusion5 decks22 decks
20%synergy
Enduring Curiosity
20%inclusion11 decks55 decks
17%synergy
Nadir Kraken
19%inclusion11 decks57 decks
16%synergy
Archetype of Imagination
19%inclusion11 decks57 decks
15%synergy
Kiora, Sovereign of the Deep
19%inclusion11 decks57 decks
17%synergy
Delighted Halfling
19%inclusion11 decks57 decks
9%synergy
Coiling Oracle
19%inclusion11 decks57 decks
6%synergy
Esix, Fractal Bloom
19%inclusion11 decks57 decks
16%synergy
Nezahal, Primal Tide
19%inclusion11 decks57 decks
9%synergy
Scourge of Fleets
18%inclusion10 decks57 decks
10%synergy
Starwinder
16%inclusion4 decks25 decks
10%synergy
Xolatoyac, the Smiling Flood
16%inclusion9 decks57 decks
9%synergy
Scute Swarm
16%inclusion9 decks57 decks
-3%synergy
Uro, Titan of Nature's Wrath
16%inclusion9 decks57 decks
6%synergy
Glasspool Mimic
16%inclusion9 decks57 decks
11%synergy
Auton Soldier
14%inclusion8 decks57 decks
11%synergy
Toski, Bearer of Secrets
14%inclusion8 decks57 decks
11%synergy
Clever Impersonator
14%inclusion8 decks57 decks
9%synergy
Rampaging Baloths
12%inclusion7 decks57 decks
-4%synergy
Phyrexian Metamorph
12%inclusion7 decks57 decks
4%synergy
Avenger of Zendikar
12%inclusion7 decks57 decks
-5%synergy
Progenitor Mimic
12%inclusion7 decks57 decks
8%synergy
Tireless Provisioner
12%inclusion7 decks57 decks
-2%synergy
Lotus Cobra
12%inclusion7 decks57 decks
0%synergy
Reclamation Sage
11%inclusion6 decks57 decks
-3%synergy
Troyan, Gutsy Explorer
11%inclusion6 decks57 decks
7%synergy
Stormtide Leviathan
11%inclusion6 decks57 decks
5%synergy
Instants
Growth Spiral
54%inclusion31 decks57 decks
9%synergy
Second Harvest
51%inclusion29 decks57 decks
44%synergy
Double Major
49%inclusion28 decks57 decks
41%synergy
Return of the Wildspeaker
42%inclusion24 decks57 decks
32%synergy
An Offer You Can't Refuse
40%inclusion23 decks57 decks
17%synergy
Pongify
37%inclusion21 decks57 decks
12%synergy
Negate
37%inclusion21 decks57 decks
11%synergy
Rapid Hybridization
35%inclusion20 decks57 decks
9%synergy
Mana Drain
35%inclusion20 decks57 decks
20%synergy
Arcane Denial
35%inclusion20 decks57 decks
13%synergy
Swan Song
30%inclusion17 decks57 decks
11%synergy
Nature's Claim
21%inclusion12 decks57 decks
12%synergy
Simic Charm
21%inclusion12 decks57 decks
13%synergy
Brainstorm
18%inclusion10 decks57 decks
3%synergy
Tamiyo's Safekeeping
16%inclusion9 decks57 decks
11%synergy
Harrow
14%inclusion8 decks57 decks
2%synergy
Planar Genesis
14%inclusion8 decks57 decks
3%synergy
Krosan Grip
12%inclusion7 decks57 decks
5%synergy
Noxious Revival
12%inclusion7 decks57 decks
7%synergy
Reality Shift
12%inclusion7 decks57 decks
-2%synergy
Entish Restoration
11%inclusion6 decks57 decks
1%synergy
Return to Nature
11%inclusion6 decks57 decks
5%synergy
Chord of Calling
11%inclusion6 decks57 decks
3%synergy
Sublime Epiphany
8.8%inclusion5 decks57 decks
7%synergy
Mystic Reflection
8.8%inclusion5 decks57 decks
6%synergy
Voidslime
8.8%inclusion5 decks57 decks
4%synergy
Collective Resistance
8.8%inclusion5 decks57 decks
5%synergy
Snakeskin Veil
7.0%inclusion4 decks57 decks
1%synergy
Force of Vigor
7.0%inclusion4 decks57 decks
3%synergy
Sink into Stupor
7.0%inclusion4 decks57 decks
-5%synergy
Tyvar's Stand
7.0%inclusion4 decks57 decks
4%synergy
Aetherize
7.0%inclusion4 decks57 decks
-5%synergy
Unagi's Spray
6.7%inclusion1 decks15 decks
7%synergy
The Art of Tea
6.7%inclusion1 decks15 decks
7%synergy
Accumulate Wisdom
6.7%inclusion1 decks15 decks
6%synergy
Zuko's Exile
6.3%inclusion1 decks16 decks
6%synergy
Octopus Form
6.3%inclusion1 decks16 decks
5%synergy
Eureka Moment
5.3%inclusion3 decks57 decks
-6%synergy
Archdruid's Charm
5.3%inclusion3 decks57 decks
-1%synergy
Stubborn Denial
5.3%inclusion3 decks57 decks
3%synergy
Force of Negation
5.3%inclusion3 decks57 decks
-2%synergy
Defend the Rider
5.0%inclusion2 decks40 decks
4%synergy
Sorceries
Skyshroud Claim
53%inclusion30 decks57 decks
43%synergy
Farseek
53%inclusion30 decks57 decks
27%synergy
Quantum Misalignment
33%inclusion19 decks57 decks
30%synergy
Rite of Replication
32%inclusion18 decks57 decks
24%synergy
Explore
25%inclusion14 decks57 decks
4%synergy
Finale of Devastation
23%inclusion13 decks57 decks
12%synergy
Overwhelming Stampede
23%inclusion13 decks57 decks
10%synergy
Rishkar's Expertise
21%inclusion12 decks57 decks
12%synergy
Bala Ged Recovery
16%inclusion9 decks57 decks
6%synergy
Triumph of the Hordes
12%inclusion7 decks57 decks
9%synergy
Urban Evolution
12%inclusion7 decks57 decks
3%synergy
Explosive Vegetation
8.8%inclusion5 decks57 decks
3%synergy
Migration Path
8.8%inclusion5 decks57 decks
5%synergy
Shamanic Revelation
8.8%inclusion5 decks57 decks
4%synergy
Open the Way
8.8%inclusion5 decks57 decks
6%synergy
Bridgeworks Battle
8.8%inclusion5 decks57 decks
4%synergy
Ponder
7.0%inclusion4 decks57 decks
0%synergy
Into the North
7.0%inclusion4 decks57 decks
6%synergy
Tempt with Discovery
7.0%inclusion4 decks57 decks
3%synergy
Last March of the Ents
7.0%inclusion4 decks57 decks
4%synergy
Regrowth
7.0%inclusion4 decks57 decks
4%synergy
Doppelgang
7.0%inclusion4 decks57 decks
0%synergy
Broken Bond
7.0%inclusion4 decks57 decks
2%synergy
Raise the Palisade
7.0%inclusion4 decks57 decks
1%synergy
Crashing Wave
6.7%inclusion1 decks15 decks
6%synergy
Ember Island Production
6.7%inclusion1 decks15 decks
6%synergy
Nature's Rhythm
6.3%inclusion2 decks32 decks
0%synergy
Spirit Water Revival
6.3%inclusion1 decks16 decks
5%synergy
Green Sun's Zenith
5.3%inclusion3 decks57 decks
-3%synergy
Sea Gate Restoration
5.3%inclusion3 decks57 decks
0%synergy
Curse of the Swine
5.3%inclusion3 decks57 decks
-6%synergy
Harmonize
5.3%inclusion3 decks57 decks
0%synergy
Aggressive Biomancy
5.3%inclusion3 decks57 decks
0%synergy
Quasiduplicate
5.3%inclusion3 decks57 decks
3%synergy
Utility Artifacts
Helm of the Host
54%inclusion31 decks57 decks
49%synergy
Lightning Greaves
47%inclusion27 decks57 decks
27%synergy
Swiftfoot Boots
42%inclusion24 decks57 decks
17%synergy
Combine Chrysalis
28%inclusion16 decks57 decks
24%synergy
The Great Henge
19%inclusion11 decks57 decks
10%synergy
Eldrazi Monument
19%inclusion11 decks57 decks
19%synergy
Mirror Box
16%inclusion9 decks57 decks
12%synergy
Emerald Medallion
16%inclusion9 decks57 decks
13%synergy
Sapphire Medallion
16%inclusion9 decks57 decks
12%synergy
Idol of Oblivion
14%inclusion8 decks57 decks
11%synergy
Bident of Thassa
8.8%inclusion5 decks57 decks
2%synergy
Mirrormind Crown
8.3%inclusion1 decks12 decks
8%synergy
Mirror Gallery
7.0%inclusion4 decks57 decks
6%synergy
Waterbending Scroll
6.7%inclusion1 decks15 decks
6%synergy
Bison Whistle
6.7%inclusion1 decks15 decks
7%synergy
Crucible of Worlds
5.3%inclusion3 decks57 decks
1%synergy
Coat of Arms
5.3%inclusion3 decks57 decks
4%synergy
Shadowspear
5.3%inclusion3 decks57 decks
5%synergy
Enchantments
Tribute to the World Tree
54%inclusion31 decks57 decks
48%synergy
Kindred Discovery
39%inclusion22 decks57 decks
29%synergy
Mystic Remora
28%inclusion16 decks57 decks
14%synergy
Primal Vigor
26%inclusion15 decks57 decks
23%synergy
Growing Rites of Itlimoc
26%inclusion15 decks57 decks
21%synergy
Garruk's Uprising
23%inclusion13 decks57 decks
5%synergy
Exploration
19%inclusion11 decks57 decks
6%synergy
Sylvan Library
19%inclusion11 decks57 decks
11%synergy
Defense of the Heart
16%inclusion9 decks57 decks
14%synergy
Beastmaster Ascension
14%inclusion8 decks57 decks
11%synergy
Impostor Syndrome
14%inclusion3 decks22 decks
12%synergy
Cryptolith Rite
12%inclusion7 decks57 decks
9%synergy
Wild Growth
12%inclusion7 decks57 decks
4%synergy
Utopia Sprawl
11%inclusion6 decks57 decks
4%synergy
Imprisoned in the Moon
11%inclusion6 decks57 decks
6%synergy
Unnatural Growth
8.8%inclusion5 decks57 decks
5%synergy
Paradox Haze
8.8%inclusion5 decks57 decks
8%synergy
Asceticism
8.8%inclusion5 decks57 decks
6%synergy
Wilderness Reclamation
7.0%inclusion4 decks57 decks
-2%synergy
Kiora Bests the Sea God
7.0%inclusion4 decks57 decks
5%synergy
Kenrith's Transformation
7.0%inclusion4 decks57 decks
3%synergy
Extravagant Replication
7.0%inclusion4 decks57 decks
5%synergy
Propaganda
7.0%inclusion4 decks57 decks
0%synergy
Waterbender Ascension
6.7%inclusion1 decks15 decks
6%synergy
Crystalline Armor
6.7%inclusion1 decks15 decks
6%synergy
Walk-In Closet // Forgotten Cellar
5.6%inclusion3 decks54 decks
3%synergy
Mirror Room // Fractured Realm
5.5%inclusion3 decks55 decks
4%synergy
Zendikar Resurgent
5.3%inclusion3 decks57 decks
3%synergy
Mana Reflection
5.3%inclusion3 decks57 decks
0%synergy
Battles
Invasion of Segovia
5.3%inclusion3 decks57 decks
5%synergy
Planeswalkers
Oko, Thief of Crowns
23%inclusion13 decks57 decks
16%synergy
Kiora, the Crashing Wave
14%inclusion8 decks57 decks
11%synergy
Kiora, Behemoth Beckoner
5.3%inclusion3 decks57 decks
-1%synergy
Utility Lands
Reliquary Tower
60%inclusion34 decks57 decks
10%synergy
Yavimaya, Cradle of Growth
33%inclusion19 decks57 decks
12%synergy
Boseiju, Who Endures
33%inclusion19 decks57 decks
11%synergy
Otawara, Soaring City
28%inclusion16 decks57 decks
10%synergy
Evendo, Waking Haven
24%inclusion6 decks25 decks
19%synergy
Three Tree City
22%inclusion12 decks55 decks
17%synergy
Mosswort Bridge
16%inclusion9 decks57 decks
-2%synergy
Temple of the False God
16%inclusion9 decks57 decks
0%synergy
Mystic Sanctuary
14%inclusion8 decks57 decks
2%synergy
Castle Garenbrig
14%inclusion8 decks57 decks
10%synergy
Mistrise Village
13%inclusion4 decks32 decks
2%synergy
Rogue's Passage
12%inclusion7 decks57 decks
-10%synergy
Command Beacon
12%inclusion7 decks57 decks
9%synergy
Alchemist's Refuge
11%inclusion6 decks57 decks
-7%synergy
Balamb Garden, SeeD Academy
7.1%inclusion2 decks28 decks
6%synergy
Restless Vinestalk
7.0%inclusion4 decks57 decks
2%synergy
Castle Vantress
7.0%inclusion4 decks57 decks
0%synergy
Nykthos, Shrine to Nyx
7.0%inclusion4 decks57 decks
4%synergy
Agna Qel'a
6.7%inclusion1 decks15 decks
6%synergy
Thespian's Stage
5.3%inclusion3 decks57 decks
-2%synergy
Lumbering Falls
5.3%inclusion3 decks57 decks
-1%synergy
Mana Artifacts
Sol Ring
93%inclusion53 decks57 decks
13%synergy
Arcane Signet
67%inclusion38 decks57 decks
4%synergy
Simic Signet
39%inclusion22 decks57 decks
8%synergy
Thought Vessel
37%inclusion21 decks57 decks
17%synergy
Talisman of Curiosity
25%inclusion14 decks57 decks
3%synergy
Decanter of Endless Water
8.8%inclusion5 decks57 decks
4%synergy
Commander's Sphere
5.3%inclusion3 decks57 decks
-2%synergy
Thran Dynamo
5.3%inclusion3 decks57 decks
2%synergy
Midnight Clock
5.3%inclusion3 decks57 decks
3%synergy
Lands
Command Tower
89%inclusion51 decks57 decks
4%synergy
Island
88%inclusion50 decks57 decks
-8%synergy
Forest
88%inclusion50 decks57 decks
-8%synergy
Breeding Pool
84%inclusion48 decks57 decks
37%synergy
Rejuvenating Springs
72%inclusion41 decks57 decks
29%synergy
Hinterland Harbor
67%inclusion38 decks57 decks
6%synergy
Dreamroot Cascade
65%inclusion37 decks57 decks
21%synergy
Misty Rainforest
56%inclusion32 decks57 decks
25%synergy
Yavimaya Coast
53%inclusion30 decks57 decks
0%synergy
Vineglimmer Snarl
49%inclusion28 decks57 decks
10%synergy
Simic Growth Chamber
46%inclusion26 decks57 decks
-2%synergy
Flooded Grove
44%inclusion25 decks57 decks
1%synergy
Tropical Island
42%inclusion24 decks57 decks
28%synergy
Hedge Maze
42%inclusion24 decks57 decks
22%synergy
Barkchannel Pathway
37%inclusion21 decks57 decks
17%synergy
Temple of Mystery
32%inclusion18 decks57 decks
-6%synergy
Willowrush Verge
28%inclusion11 decks40 decks
10%synergy
Sodden Verdure
25%inclusion3 decks12 decks
10%synergy
Fabled Passage
25%inclusion14 decks57 decks
9%synergy
Myriad Landscape
23%inclusion13 decks57 decks
2%synergy
Waterlogged Grove
23%inclusion13 decks57 decks
3%synergy
Rimewood Falls
23%inclusion13 decks57 decks
14%synergy
Evolving Wilds
21%inclusion12 decks57 decks
-4%synergy
Tangled Islet
21%inclusion12 decks57 decks
5%synergy
Overflowing Basin
18%inclusion10 decks57 decks
-3%synergy
Terramorphic Expanse
16%inclusion9 decks57 decks
-4%synergy
Snow-Covered Forest
16%inclusion9 decks57 decks
10%synergy
Bala Ged Recovery
16%inclusion9 decks57 decks
6%synergy
Thornwood Falls
16%inclusion9 decks57 decks
-2%synergy
Snow-Covered Island
16%inclusion9 decks57 decks
10%synergy
Path of Ancestry
16%inclusion9 decks57 decks
-1%synergy
Glasspool Mimic
16%inclusion9 decks57 decks
11%synergy
Exotic Orchard
14%inclusion8 decks57 decks
-10%synergy
Botanical Sanctum
12%inclusion7 decks57 decks
-1%synergy
Blighted Woodland
11%inclusion6 decks57 decks
4%synergy
Wooded Foothills
8.8%inclusion5 decks57 decks
0%synergy
Cavern of Souls
8.8%inclusion5 decks57 decks
4%synergy
Bridgeworks Battle
8.8%inclusion5 decks57 decks
4%synergy
Lush Oasis
8.8%inclusion5 decks57 decks
3%synergy
Rain-Slicked Copse
8.3%inclusion1 decks12 decks
1%synergy
Prismatic Vista
7.0%inclusion4 decks57 decks
0%synergy
Windswept Heath
7.0%inclusion4 decks57 decks
-3%synergy
Tanglepool Bridge
7.0%inclusion4 decks57 decks
2%synergy
Littjara Mirrorlake
7.0%inclusion4 decks57 decks
3%synergy
Verdant Catacombs
7.0%inclusion4 decks57 decks
-2%synergy
Sink into Stupor
7.0%inclusion4 decks57 decks
-5%synergy
Scalding Tarn
7.0%inclusion4 decks57 decks
-2%synergy
Polluted Delta
7.0%inclusion4 decks57 decks
-3%synergy
Flooded Strand
7.0%inclusion4 decks57 decks
-4%synergy
Meditation Pools
6.7%inclusion1 decks15 decks
5%synergy
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