Koma, Cosmos Serpent (Commander) - Expensive Core

Alternate Names:

The Monstrous SerpentThe Monstrous Serpent

Koma, Cosmos Serpent
Rank #342
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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Loki, Lord of Misrule
33%inclusion1 decks3 decks
33%synergy
High Synergy Cards
Adrix and Nev, Twincasters
81%inclusion46 decks57 decks
72%synergy
Parallel Lives
74%inclusion42 decks57 decks
68%synergy
Spark Double
75%inclusion43 decks57 decks
67%synergy
Elemental Bond
70%inclusion40 decks57 decks
65%synergy
Junk Winder
70%inclusion40 decks57 decks
64%synergy
Koma, World-Eater
76%inclusion41 decks54 decks
64%synergy
Serpent of Yawning Depths
68%inclusion39 decks57 decks
62%synergy
Whelming Wave
72%inclusion41 decks57 decks
61%synergy
Aesi, Tyrant of Gyre Strait
75%inclusion43 decks57 decks
58%synergy
Sakashima of a Thousand Faces
61%inclusion35 decks57 decks
57%synergy
Top Cards
Cultivate
81%inclusion46 decks57 decks
35%synergy
Kodama's Reach
75%inclusion43 decks57 decks
41%synergy
Heroic Intervention
72%inclusion41 decks57 decks
42%synergy
Nature's Lore
70%inclusion40 decks57 decks
38%synergy
Three Visits
68%inclusion39 decks57 decks
43%synergy
Counterspell
65%inclusion37 decks57 decks
16%synergy
Doubling Season
63%inclusion36 decks57 decks
52%synergy
Rampant Growth
61%inclusion35 decks57 decks
22%synergy
Irenicus's Vile Duplication
60%inclusion34 decks57 decks
54%synergy
Birds of Paradise
60%inclusion34 decks57 decks
32%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
-14%synergy
Fierce Guardianship
5.3%inclusion3 decks57 decks
-11%synergy
Cyclonic Rift
5.3%inclusion3 decks57 decks
-18%synergy
Worldly Tutor
5.3%inclusion3 decks57 decks
-9%synergy
Creatures
Spawning Kraken
60%inclusion34 decks57 decks
53%synergy
Sakashima the Impostor
54%inclusion31 decks57 decks
52%synergy
Arixmethes, Slumbering Isle
53%inclusion30 decks57 decks
40%synergy
Elvish Mystic
49%inclusion28 decks57 decks
26%synergy
Tatyova, Benthic Druid
47%inclusion27 decks57 decks
18%synergy
Murkfiend Liege
44%inclusion25 decks57 decks
30%synergy
Llanowar Elves
44%inclusion25 decks57 decks
16%synergy
Craterhoof Behemoth
40%inclusion23 decks57 decks
30%synergy
Hullbreaker Horror
39%inclusion22 decks57 decks
21%synergy
Sakura-Tribe Elder
39%inclusion22 decks57 decks
20%synergy
Roaming Throne
37%inclusion21 decks57 decks
30%synergy
Garruk's Packleader
35%inclusion20 decks57 decks
33%synergy
Ohran Frostfang
32%inclusion18 decks57 decks
28%synergy
Summon: Leviathan
31%inclusion11 decks36 decks
24%synergy
Enduring Vitality
30%inclusion17 decks57 decks
22%synergy
Eternal Witness
26%inclusion15 decks57 decks
8%synergy
Slinn Voda, the Rising Deep
26%inclusion15 decks57 decks
20%synergy
The Unagi of Kyoshi Island
25%inclusion6 decks24 decks
20%synergy
Fyndhorn Elves
25%inclusion14 decks57 decks
11%synergy
Delighted Halfling
25%inclusion14 decks57 decks
14%synergy
Esix, Fractal Bloom
25%inclusion14 decks57 decks
21%synergy
Curiosity Crafter
23%inclusion13 decks57 decks
19%synergy
Octomancer
21%inclusion12 decks57 decks
17%synergy
Fanatic of Rhonas
21%inclusion12 decks57 decks
15%synergy
Enduring Curiosity
21%inclusion12 decks57 decks
18%synergy
Archetype of Imagination
21%inclusion12 decks57 decks
17%synergy
Nadir Kraken
19%inclusion11 decks57 decks
16%synergy
Coiling Oracle
19%inclusion11 decks57 decks
7%synergy
Nezahal, Primal Tide
19%inclusion11 decks57 decks
9%synergy
Uro, Titan of Nature's Wrath
18%inclusion10 decks57 decks
8%synergy
Scute Swarm
18%inclusion10 decks57 decks
-1%synergy
Chameleon, Master of Disguise
17%inclusion5 decks30 decks
14%synergy
Scourge of Fleets
16%inclusion9 decks57 decks
8%synergy
Glasspool Mimic
16%inclusion9 decks57 decks
11%synergy
Loch Mare
15%inclusion3 decks20 decks
14%synergy
Avenger of Zendikar
14%inclusion8 decks57 decks
-2%synergy
Kiora, Sovereign of the Deep
14%inclusion8 decks57 decks
12%synergy
Lotus Cobra
14%inclusion8 decks57 decks
2%synergy
Tireless Provisioner
14%inclusion8 decks57 decks
0%synergy
Starwinder
13%inclusion4 decks32 decks
7%synergy
Reclamation Sage
12%inclusion7 decks57 decks
-0%synergy
Xolatoyac, the Smiling Flood
12%inclusion7 decks57 decks
6%synergy
Rampaging Baloths
12%inclusion7 decks57 decks
-3%synergy
Saryth, the Viper's Fang
12%inclusion7 decks57 decks
11%synergy
Auton Soldier
12%inclusion7 decks57 decks
9%synergy
Toski, Bearer of Secrets
12%inclusion7 decks57 decks
9%synergy
Azusa, Lost but Seeking
12%inclusion7 decks57 decks
-1%synergy
Clever Impersonator
12%inclusion7 decks57 decks
7%synergy
Irma, Part-Time Mutant
12%inclusion2 decks17 decks
10%synergy
Circle of Dreams Druid
11%inclusion6 decks57 decks
9%synergy
Instants
Beast Within
58%inclusion33 decks57 decks
9%synergy
Growth Spiral
54%inclusion31 decks57 decks
10%synergy
Second Harvest
53%inclusion30 decks57 decks
46%synergy
Double Major
49%inclusion28 decks57 decks
41%synergy
An Offer You Can't Refuse
44%inclusion25 decks57 decks
20%synergy
Return of the Wildspeaker
42%inclusion24 decks57 decks
32%synergy
Negate
39%inclusion22 decks57 decks
14%synergy
Pongify
37%inclusion21 decks57 decks
12%synergy
Mana Drain
37%inclusion21 decks57 decks
22%synergy
Rapid Hybridization
35%inclusion20 decks57 decks
8%synergy
Arcane Denial
33%inclusion19 decks57 decks
11%synergy
Swan Song
30%inclusion17 decks57 decks
11%synergy
Brainstorm
18%inclusion10 decks57 decks
3%synergy
Nature's Claim
18%inclusion10 decks57 decks
9%synergy
Harrow
16%inclusion9 decks57 decks
4%synergy
Tamiyo's Safekeeping
16%inclusion9 decks57 decks
11%synergy
Simic Charm
14%inclusion8 decks57 decks
7%synergy
Krosan Grip
12%inclusion7 decks57 decks
6%synergy
Chord of Calling
12%inclusion7 decks57 decks
5%synergy
Reality Shift
12%inclusion7 decks57 decks
-2%synergy
Entish Restoration
11%inclusion6 decks57 decks
2%synergy
Return to Nature
11%inclusion6 decks57 decks
6%synergy
Planar Genesis
11%inclusion6 decks57 decks
-1%synergy
Noxious Revival
11%inclusion6 decks57 decks
5%synergy
Snakeskin Veil
8.8%inclusion5 decks57 decks
3%synergy
Mystic Reflection
8.8%inclusion5 decks57 decks
6%synergy
Force of Negation
8.8%inclusion5 decks57 decks
1%synergy
Collective Resistance
8.8%inclusion5 decks57 decks
5%synergy
Tyvar's Stand
7.0%inclusion4 decks57 decks
3%synergy
Force of Vigor
7.0%inclusion4 decks57 decks
3%synergy
Stubborn Denial
7.0%inclusion4 decks57 decks
4%synergy
Sublime Epiphany
7.0%inclusion4 decks57 decks
5%synergy
Sink into Stupor
7.0%inclusion4 decks57 decks
-5%synergy
Eureka Moment
5.3%inclusion3 decks57 decks
-7%synergy
Archdruid's Charm
5.3%inclusion3 decks57 decks
-0%synergy
Auroral Procession
5.3%inclusion2 decks38 decks
2%synergy
Aetherize
5.3%inclusion3 decks57 decks
-7%synergy
Slip Out the Back
5.3%inclusion3 decks57 decks
2%synergy
Flusterstorm
5.3%inclusion3 decks57 decks
-1%synergy
Perplexing Test
5.3%inclusion3 decks57 decks
0%synergy
Sorceries
Farseek
51%inclusion29 decks57 decks
25%synergy
Skyshroud Claim
47%inclusion27 decks57 decks
38%synergy
Quantum Misalignment
28%inclusion16 decks57 decks
25%synergy
Finale of Devastation
25%inclusion14 decks57 decks
13%synergy
Explore
25%inclusion14 decks57 decks
5%synergy
Overwhelming Stampede
25%inclusion14 decks57 decks
12%synergy
Rite of Replication
25%inclusion14 decks57 decks
17%synergy
Echocasting Symposium
23%inclusion3 decks13 decks
20%synergy
Rishkar's Expertise
16%inclusion9 decks57 decks
6%synergy
Bala Ged Recovery
16%inclusion9 decks57 decks
6%synergy
Triumph of the Hordes
14%inclusion8 decks57 decks
11%synergy
Sea Gate Restoration
8.8%inclusion5 decks57 decks
4%synergy
Curse of the Swine
8.8%inclusion5 decks57 decks
-3%synergy
Urban Evolution
8.8%inclusion5 decks57 decks
-0%synergy
Shamanic Revelation
8.8%inclusion5 decks57 decks
4%synergy
Open the Way
8.8%inclusion5 decks57 decks
4%synergy
Mind into Matter
7.7%inclusion1 decks13 decks
-1%synergy
Ponder
7.0%inclusion4 decks57 decks
-0%synergy
Tempt with Discovery
7.0%inclusion4 decks57 decks
3%synergy
Last March of the Ents
7.0%inclusion4 decks57 decks
4%synergy
Broken Bond
7.0%inclusion4 decks57 decks
3%synergy
Bridgeworks Battle
7.0%inclusion4 decks57 decks
2%synergy
Explosive Vegetation
7.0%inclusion4 decks57 decks
1%synergy
Migration Path
7.0%inclusion4 decks57 decks
4%synergy
Regrowth
7.0%inclusion4 decks57 decks
4%synergy
Raise the Palisade
7.0%inclusion4 decks57 decks
1%synergy
Lessons from Life
5.9%inclusion1 decks17 decks
0%synergy
Nature's Rhythm
5.3%inclusion2 decks38 decks
-1%synergy
Green Sun's Zenith
5.3%inclusion3 decks57 decks
-3%synergy
Windfall
5.3%inclusion3 decks57 decks
1%synergy
Into the North
5.3%inclusion3 decks57 decks
4%synergy
Aggressive Biomancy
5.3%inclusion3 decks57 decks
1%synergy
Finale of Revelation
5.3%inclusion3 decks57 decks
-1%synergy
Doppelgang
5.3%inclusion3 decks57 decks
-2%synergy
Harmonize
5.3%inclusion3 decks57 decks
0%synergy
Ezuri's Predation
5.3%inclusion3 decks57 decks
-2%synergy
Utility Artifacts
Lightning Greaves
47%inclusion27 decks57 decks
27%synergy
Helm of the Host
46%inclusion26 decks57 decks
41%synergy
Swiftfoot Boots
44%inclusion25 decks57 decks
19%synergy
Combine Chrysalis
28%inclusion16 decks57 decks
24%synergy
The Great Henge
26%inclusion15 decks57 decks
17%synergy
Eldrazi Monument
23%inclusion13 decks57 decks
22%synergy
Mirror Box
19%inclusion11 decks57 decks
16%synergy
Idol of Oblivion
14%inclusion8 decks57 decks
11%synergy
Emerald Medallion
11%inclusion6 decks57 decks
7%synergy
Sapphire Medallion
8.8%inclusion5 decks57 decks
5%synergy
Bident of Thassa
8.8%inclusion5 decks57 decks
2%synergy
Crucible of Worlds
7.0%inclusion4 decks57 decks
3%synergy
Coat of Arms
7.0%inclusion4 decks57 decks
6%synergy
Mirror Gallery
5.3%inclusion3 decks57 decks
5%synergy
Mirrormind Crown
5.0%inclusion1 decks20 decks
4%synergy
Enchantments
Tribute to the World Tree
51%inclusion29 decks57 decks
45%synergy
Mystic Remora
33%inclusion19 decks57 decks
19%synergy
Kindred Discovery
32%inclusion18 decks57 decks
22%synergy
Primal Vigor
28%inclusion16 decks57 decks
25%synergy
Growing Rites of Itlimoc
26%inclusion15 decks57 decks
21%synergy
Exploration
23%inclusion13 decks57 decks
10%synergy
Garruk's Uprising
19%inclusion11 decks57 decks
2%synergy
Sylvan Library
18%inclusion10 decks57 decks
9%synergy
Imprisoned in the Moon
16%inclusion9 decks57 decks
12%synergy
Wild Growth
14%inclusion8 decks57 decks
5%synergy
Defense of the Heart
14%inclusion8 decks57 decks
12%synergy
Impostor Syndrome
13%inclusion4 decks30 decks
12%synergy
Utopia Sprawl
12%inclusion7 decks57 decks
6%synergy
Asceticism
12%inclusion7 decks57 decks
9%synergy
Paradox Haze
12%inclusion7 decks57 decks
12%synergy
Cryptolith Rite
11%inclusion6 decks57 decks
7%synergy
Beastmaster Ascension
11%inclusion6 decks57 decks
7%synergy
Kenrith's Transformation
11%inclusion6 decks57 decks
7%synergy
Wilderness Reclamation
8.8%inclusion5 decks57 decks
-0%synergy
Unnatural Growth
8.8%inclusion5 decks57 decks
5%synergy
Propaganda
8.8%inclusion5 decks57 decks
2%synergy
Walk-In Closet // Forgotten Cellar
7.0%inclusion4 decks57 decks
5%synergy
Kiora Bests the Sea God
7.0%inclusion4 decks57 decks
5%synergy
Moonlit Meditation
6.3%inclusion2 decks32 decks
5%synergy
Extravagant Replication
5.3%inclusion3 decks57 decks
3%synergy
Burgeoning
5.3%inclusion3 decks57 decks
-2%synergy
Zendikar Resurgent
5.3%inclusion3 decks57 decks
3%synergy
Mana Reflection
5.3%inclusion3 decks57 decks
1%synergy
Shark Typhoon
5.3%inclusion3 decks57 decks
4%synergy
Springleaf Parade
5.0%inclusion1 decks20 decks
2%synergy
Planeswalkers
Oko, Thief of Crowns
23%inclusion13 decks57 decks
17%synergy
Kiora, the Crashing Wave
14%inclusion8 decks57 decks
12%synergy
Utility Lands
Reliquary Tower
61%inclusion35 decks57 decks
11%synergy
Yavimaya, Cradle of Growth
37%inclusion21 decks57 decks
16%synergy
Boseiju, Who Endures
32%inclusion18 decks57 decks
10%synergy
Otawara, Soaring City
30%inclusion17 decks57 decks
11%synergy
Evendo, Waking Haven
25%inclusion8 decks32 decks
20%synergy
Mosswort Bridge
19%inclusion11 decks57 decks
2%synergy
Three Tree City
19%inclusion11 decks57 decks
14%synergy
Castle Garenbrig
18%inclusion10 decks57 decks
13%synergy
Mystic Sanctuary
14%inclusion8 decks57 decks
2%synergy
Command Beacon
14%inclusion8 decks57 decks
10%synergy
Temple of the False God
14%inclusion8 decks57 decks
-2%synergy
Rogue's Passage
14%inclusion8 decks57 decks
-9%synergy
Mistrise Village
13%inclusion5 decks38 decks
2%synergy
Alchemist's Refuge
11%inclusion6 decks57 decks
-8%synergy
Restless Vinestalk
8.8%inclusion5 decks57 decks
4%synergy
Nykthos, Shrine to Nyx
8.8%inclusion5 decks57 decks
6%synergy
Lumbering Falls
7.0%inclusion4 decks57 decks
1%synergy
Castle Vantress
7.0%inclusion4 decks57 decks
0%synergy
Urza's Saga
5.3%inclusion3 decks57 decks
0%synergy
Thespian's Stage
5.3%inclusion3 decks57 decks
-1%synergy
Mana Artifacts
Sol Ring
91%inclusion52 decks57 decks
11%synergy
Arcane Signet
68%inclusion39 decks57 decks
5%synergy
Simic Signet
33%inclusion19 decks57 decks
4%synergy
Thought Vessel
30%inclusion17 decks57 decks
10%synergy
Talisman of Curiosity
21%inclusion12 decks57 decks
-0%synergy
Commander's Sphere
7.0%inclusion4 decks57 decks
0%synergy
Decanter of Endless Water
7.0%inclusion4 decks57 decks
3%synergy
Midnight Clock
5.3%inclusion3 decks57 decks
3%synergy
Mind Stone
5.3%inclusion3 decks57 decks
1%synergy
Lands
Island
89%inclusion51 decks57 decks
-6%synergy
Forest
89%inclusion51 decks57 decks
-6%synergy
Command Tower
88%inclusion50 decks57 decks
3%synergy
Breeding Pool
84%inclusion48 decks57 decks
37%synergy
Rejuvenating Springs
65%inclusion37 decks57 decks
22%synergy
Misty Rainforest
61%inclusion35 decks57 decks
30%synergy
Hinterland Harbor
60%inclusion34 decks57 decks
-2%synergy
Dreamroot Cascade
58%inclusion33 decks57 decks
12%synergy
Simic Growth Chamber
47%inclusion27 decks57 decks
2%synergy
Yavimaya Coast
47%inclusion27 decks57 decks
-5%synergy
Hedge Maze
44%inclusion25 decks57 decks
24%synergy
Vineglimmer Snarl
42%inclusion24 decks57 decks
2%synergy
Tropical Island
42%inclusion24 decks57 decks
28%synergy
Flooded Grove
42%inclusion24 decks57 decks
-2%synergy
Barkchannel Pathway
39%inclusion22 decks57 decks
19%synergy
Willowrush Verge
31%inclusion14 decks45 decks
13%synergy
Sodden Verdure
30%inclusion6 decks20 decks
8%synergy
Fabled Passage
28%inclusion16 decks57 decks
11%synergy
Temple of Mystery
28%inclusion16 decks57 decks
-9%synergy
Myriad Landscape
23%inclusion13 decks57 decks
3%synergy
Rimewood Falls
23%inclusion13 decks57 decks
15%synergy
Evolving Wilds
23%inclusion13 decks57 decks
-1%synergy
Tangled Islet
21%inclusion12 decks57 decks
5%synergy
Waterlogged Grove
21%inclusion12 decks57 decks
2%synergy
Botanical Sanctum
18%inclusion10 decks57 decks
5%synergy
Terramorphic Expanse
16%inclusion9 decks57 decks
-4%synergy
Exotic Orchard
16%inclusion9 decks57 decks
-9%synergy
Bala Ged Recovery
16%inclusion9 decks57 decks
6%synergy
Glasspool Mimic
16%inclusion9 decks57 decks
11%synergy
Snow-Covered Island
14%inclusion8 decks57 decks
8%synergy
Snow-Covered Forest
14%inclusion8 decks57 decks
8%synergy
Overflowing Basin
14%inclusion8 decks57 decks
-8%synergy
Thornwood Falls
14%inclusion8 decks57 decks
-3%synergy
Blighted Woodland
12%inclusion7 decks57 decks
6%synergy
Prismatic Vista
12%inclusion7 decks57 decks
5%synergy
Wooded Foothills
12%inclusion7 decks57 decks
3%synergy
Path of Ancestry
12%inclusion7 decks57 decks
-5%synergy
Polluted Delta
12%inclusion7 decks57 decks
2%synergy
Flooded Strand
12%inclusion7 decks57 decks
2%synergy
Windswept Heath
11%inclusion6 decks57 decks
1%synergy
Verdant Catacombs
11%inclusion6 decks57 decks
2%synergy
Rain-Slicked Copse
10%inclusion2 decks20 decks
-0%synergy
Littjara Mirrorlake
8.8%inclusion5 decks57 decks
5%synergy
Sea Gate Restoration
8.8%inclusion5 decks57 decks
4%synergy
Lush Oasis
8.8%inclusion5 decks57 decks
4%synergy
Scalding Tarn
8.8%inclusion5 decks57 decks
-0%synergy
Tanglepool Bridge
7.0%inclusion4 decks57 decks
2%synergy
Sink into Stupor
7.0%inclusion4 decks57 decks
-5%synergy
Cavern of Souls
7.0%inclusion4 decks57 decks
2%synergy
Bridgeworks Battle
7.0%inclusion4 decks57 decks
2%synergy
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