Koma, Cosmos Serpent (Commander) - Expensive Core

Alternate Names:

The Monstrous SerpentThe Monstrous Serpent

Koma, Cosmos Serpent
Rank #327
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%inclusion2 decks6 decks
30%synergy
Mind into Matter
17%inclusion1 decks6 decks
8%synergy
Noxious Newt
17%inclusion1 decks6 decks
15%synergy
High Synergy Cards
Adrix and Nev, Twincasters
81%inclusion46 decks57 decks
72%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
Elemental Bond
70%inclusion40 decks57 decks
64%synergy
Whelming Wave
75%inclusion43 decks57 decks
64%synergy
Serpent of Yawning Depths
68%inclusion39 decks57 decks
62%synergy
Koma, World-Eater
73%inclusion38 decks52 decks
61%synergy
Aesi, Tyrant of Gyre Strait
75%inclusion43 decks57 decks
58%synergy
Sakashima of a Thousand Faces
61%inclusion35 decks57 decks
56%synergy
Top Cards
Kodama's Reach
77%inclusion44 decks57 decks
42%synergy
Cultivate
77%inclusion44 decks57 decks
31%synergy
Nature's Lore
72%inclusion41 decks57 decks
40%synergy
Three Visits
70%inclusion40 decks57 decks
46%synergy
Counterspell
68%inclusion39 decks57 decks
19%synergy
Heroic Intervention
67%inclusion38 decks57 decks
36%synergy
Rampant Growth
65%inclusion37 decks57 decks
25%synergy
Doubling Season
63%inclusion36 decks57 decks
53%synergy
Beast Within
63%inclusion36 decks57 decks
14%synergy
Irenicus's Vile Duplication
61%inclusion35 decks57 decks
55%synergy
Game Changers
Seedborn Muse
18%inclusion10 decks57 decks
2%synergy
Consecrated Sphinx
11%inclusion6 decks57 decks
2%synergy
Rhystic Study
5.3%inclusion3 decks57 decks
-15%synergy
Fierce Guardianship
5.3%inclusion3 decks57 decks
-11%synergy
Worldly Tutor
5.3%inclusion3 decks57 decks
-9%synergy
Creatures
Spawning Kraken
60%inclusion34 decks57 decks
52%synergy
Sakashima the Impostor
58%inclusion33 decks57 decks
55%synergy
Birds of Paradise
56%inclusion32 decks57 decks
29%synergy
Arixmethes, Slumbering Isle
51%inclusion29 decks57 decks
38%synergy
Tatyova, Benthic Druid
46%inclusion26 decks57 decks
15%synergy
Elvish Mystic
46%inclusion26 decks57 decks
23%synergy
Murkfiend Liege
44%inclusion25 decks57 decks
30%synergy
Llanowar Elves
44%inclusion25 decks57 decks
17%synergy
Roaming Throne
42%inclusion24 decks57 decks
35%synergy
Sakura-Tribe Elder
40%inclusion23 decks57 decks
21%synergy
Hullbreaker Horror
39%inclusion22 decks57 decks
21%synergy
Garruk's Packleader
37%inclusion21 decks57 decks
35%synergy
Summon: Leviathan
34%inclusion11 decks32 decks
27%synergy
Craterhoof Behemoth
33%inclusion19 decks57 decks
23%synergy
The Unagi of Kyoshi Island
32%inclusion6 decks19 decks
26%synergy
Ohran Frostfang
28%inclusion16 decks57 decks
25%synergy
Enduring Vitality
27%inclusion15 decks55 decks
20%synergy
Eternal Witness
26%inclusion15 decks57 decks
7%synergy
Slinn Voda, the Rising Deep
26%inclusion15 decks57 decks
20%synergy
Fyndhorn Elves
25%inclusion14 decks57 decks
10%synergy
Curiosity Crafter
23%inclusion13 decks57 decks
19%synergy
Delighted Halfling
23%inclusion13 decks57 decks
12%synergy
Octomancer
22%inclusion12 decks55 decks
17%synergy
Fanatic of Rhonas
21%inclusion12 decks57 decks
15%synergy
Enduring Curiosity
20%inclusion11 decks55 decks
17%synergy
Chameleon, Master of Disguise
20%inclusion5 decks25 decks
18%synergy
Nadir Kraken
19%inclusion11 decks57 decks
16%synergy
Coiling Oracle
19%inclusion11 decks57 decks
7%synergy
Esix, Fractal Bloom
19%inclusion11 decks57 decks
16%synergy
Archetype of Imagination
19%inclusion11 decks57 decks
15%synergy
Nezahal, Primal Tide
19%inclusion11 decks57 decks
9%synergy
Scourge of Fleets
18%inclusion10 decks57 decks
10%synergy
Scute Swarm
18%inclusion10 decks57 decks
-1%synergy
Glasspool Mimic
18%inclusion10 decks57 decks
13%synergy
Uro, Titan of Nature's Wrath
18%inclusion10 decks57 decks
8%synergy
Auton Soldier
16%inclusion9 decks57 decks
13%synergy
Kiora, Sovereign of the Deep
16%inclusion9 decks57 decks
14%synergy
Clever Impersonator
16%inclusion9 decks57 decks
11%synergy
Starwinder
14%inclusion4 decks28 decks
8%synergy
Xolatoyac, the Smiling Flood
14%inclusion8 decks57 decks
7%synergy
Phyrexian Metamorph
14%inclusion8 decks57 decks
5%synergy
Toski, Bearer of Secrets
14%inclusion8 decks57 decks
11%synergy
Loch Mare
13%inclusion2 decks15 decks
13%synergy
Rampaging Baloths
12%inclusion7 decks57 decks
-4%synergy
Avenger of Zendikar
12%inclusion7 decks57 decks
-5%synergy
Saryth, the Viper's Fang
12%inclusion7 decks57 decks
11%synergy
Lotus Cobra
12%inclusion7 decks57 decks
0%synergy
Progenitor Mimic
12%inclusion7 decks57 decks
8%synergy
Tireless Provisioner
12%inclusion7 decks57 decks
-2%synergy
Reclamation Sage
11%inclusion6 decks57 decks
-2%synergy
Instants
Growth Spiral
49%inclusion28 decks57 decks
4%synergy
Second Harvest
47%inclusion27 decks57 decks
41%synergy
Double Major
44%inclusion25 decks57 decks
36%synergy
Return of the Wildspeaker
42%inclusion24 decks57 decks
32%synergy
An Offer You Can't Refuse
40%inclusion23 decks57 decks
17%synergy
Negate
39%inclusion22 decks57 decks
13%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
32%inclusion18 decks57 decks
9%synergy
Swan Song
30%inclusion17 decks57 decks
11%synergy
Nature's Claim
21%inclusion12 decks57 decks
12%synergy
Simic Charm
19%inclusion11 decks57 decks
12%synergy
Tamiyo's Safekeeping
18%inclusion10 decks57 decks
12%synergy
Brainstorm
16%inclusion9 decks57 decks
1%synergy
Harrow
14%inclusion8 decks57 decks
2%synergy
Krosan Grip
12%inclusion7 decks57 decks
5%synergy
Chord of Calling
12%inclusion7 decks57 decks
5%synergy
Noxious Revival
12%inclusion7 decks57 decks
7%synergy
Reality Shift
11%inclusion6 decks57 decks
-4%synergy
Entish Restoration
11%inclusion6 decks57 decks
1%synergy
Return to Nature
11%inclusion6 decks57 decks
6%synergy
Planar Genesis
11%inclusion6 decks57 decks
-1%synergy
Stubborn Denial
8.8%inclusion5 decks57 decks
6%synergy
Mystic Reflection
8.8%inclusion5 decks57 decks
6%synergy
Sublime Epiphany
8.8%inclusion5 decks57 decks
6%synergy
Collective Resistance
8.8%inclusion5 decks57 decks
5%synergy
Eureka Moment
7.0%inclusion4 decks57 decks
-5%synergy
Snakeskin Veil
7.0%inclusion4 decks57 decks
1%synergy
Tyvar's Stand
7.0%inclusion4 decks57 decks
3%synergy
Sink into Stupor
7.0%inclusion4 decks57 decks
-5%synergy
Voidslime
7.0%inclusion4 decks57 decks
2%synergy
Force of Negation
7.0%inclusion4 decks57 decks
-1%synergy
Accumulate Wisdom
5.6%inclusion1 decks18 decks
5%synergy
Unagi's Spray
5.6%inclusion1 decks18 decks
5%synergy
The Art of Tea
5.6%inclusion1 decks18 decks
5%synergy
Archdruid's Charm
5.3%inclusion3 decks57 decks
0%synergy
Force of Vigor
5.3%inclusion3 decks57 decks
1%synergy
Perplexing Test
5.3%inclusion3 decks57 decks
0%synergy
Aetherize
5.3%inclusion3 decks57 decks
-7%synergy
Zuko's Exile
5.3%inclusion1 decks19 decks
5%synergy
Octopus Form
5.3%inclusion1 decks19 decks
4%synergy
Sorceries
Farseek
53%inclusion30 decks57 decks
27%synergy
Skyshroud Claim
51%inclusion29 decks57 decks
42%synergy
Quantum Misalignment
32%inclusion18 decks57 decks
29%synergy
Rite of Replication
28%inclusion16 decks57 decks
21%synergy
Overwhelming Stampede
25%inclusion14 decks57 decks
12%synergy
Finale of Devastation
23%inclusion13 decks57 decks
12%synergy
Explore
23%inclusion13 decks57 decks
3%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
Sea Gate Restoration
11%inclusion6 decks57 decks
5%synergy
Raise the Palisade
11%inclusion6 decks57 decks
4%synergy
Open the Way
11%inclusion6 decks57 decks
7%synergy
Lessons from Life
10%inclusion1 decks10 decks
4%synergy
Bridgeworks Battle
8.8%inclusion5 decks57 decks
4%synergy
Explosive Vegetation
8.8%inclusion5 decks57 decks
3%synergy
Shamanic Revelation
8.8%inclusion5 decks57 decks
4%synergy
Migration Path
8.8%inclusion5 decks57 decks
5%synergy
Ponder
7.0%inclusion4 decks57 decks
0%synergy
Curse of the Swine
7.0%inclusion4 decks57 decks
-4%synergy
Into the North
7.0%inclusion4 decks57 decks
6%synergy
Tempt with Discovery
7.0%inclusion4 decks57 decks
3%synergy
Regrowth
7.0%inclusion4 decks57 decks
4%synergy
Broken Bond
7.0%inclusion4 decks57 decks
2%synergy
Nature's Rhythm
5.9%inclusion2 decks34 decks
0%synergy
Ember Island Production
5.6%inclusion1 decks18 decks
5%synergy
Windfall
5.3%inclusion3 decks57 decks
1%synergy
Replication Technique
5.3%inclusion3 decks57 decks
2%synergy
Green Sun's Zenith
5.3%inclusion3 decks57 decks
-3%synergy
Quasiduplicate
5.3%inclusion3 decks57 decks
3%synergy
Last March of the Ents
5.3%inclusion3 decks57 decks
2%synergy
Harmonize
5.3%inclusion3 decks57 decks
0%synergy
Aggressive Biomancy
5.3%inclusion3 decks57 decks
0%synergy
Doppelgang
5.3%inclusion3 decks57 decks
-2%synergy
Ezuri's Predation
5.3%inclusion3 decks57 decks
-2%synergy
Finale of Revelation
5.3%inclusion3 decks57 decks
-1%synergy
Spirit Water Revival
5.3%inclusion1 decks19 decks
4%synergy
Utility Artifacts
Helm of the Host
51%inclusion29 decks57 decks
46%synergy
Lightning Greaves
46%inclusion26 decks57 decks
25%synergy
Swiftfoot Boots
40%inclusion23 decks57 decks
16%synergy
Combine Chrysalis
26%inclusion15 decks57 decks
22%synergy
The Great Henge
21%inclusion12 decks57 decks
12%synergy
Eldrazi Monument
19%inclusion11 decks57 decks
19%synergy
Mirror Box
16%inclusion9 decks57 decks
13%synergy
Idol of Oblivion
14%inclusion8 decks57 decks
11%synergy
Sapphire Medallion
14%inclusion8 decks57 decks
11%synergy
Emerald Medallion
12%inclusion7 decks57 decks
9%synergy
Bident of Thassa
8.8%inclusion5 decks57 decks
2%synergy
Crucible of Worlds
7.0%inclusion4 decks57 decks
3%synergy
Mirror Gallery
7.0%inclusion4 decks57 decks
6%synergy
Mirrormind Crown
6.7%inclusion1 decks15 decks
6%synergy
Waterbending Scroll
5.6%inclusion1 decks18 decks
5%synergy
Bison Whistle
5.6%inclusion1 decks18 decks
6%synergy
Coat of Arms
5.3%inclusion3 decks57 decks
4%synergy
Enchantments
Tribute to the World Tree
51%inclusion29 decks57 decks
45%synergy
Kindred Discovery
37%inclusion21 decks57 decks
28%synergy
Mystic Remora
30%inclusion17 decks57 decks
16%synergy
Primal Vigor
26%inclusion15 decks57 decks
23%synergy
Growing Rites of Itlimoc
25%inclusion14 decks57 decks
19%synergy
Exploration
21%inclusion12 decks57 decks
8%synergy
Garruk's Uprising
19%inclusion11 decks57 decks
2%synergy
Sylvan Library
19%inclusion11 decks57 decks
11%synergy
Wild Growth
14%inclusion8 decks57 decks
5%synergy
Defense of the Heart
14%inclusion8 decks57 decks
12%synergy
Utopia Sprawl
12%inclusion7 decks57 decks
6%synergy
Beastmaster Ascension
12%inclusion7 decks57 decks
9%synergy
Impostor Syndrome
12%inclusion3 decks25 decks
10%synergy
Imprisoned in the Moon
11%inclusion6 decks57 decks
6%synergy
Unnatural Growth
11%inclusion6 decks57 decks
7%synergy
Asceticism
11%inclusion6 decks57 decks
7%synergy
Cryptolith Rite
8.8%inclusion5 decks57 decks
6%synergy
Propaganda
8.8%inclusion5 decks57 decks
2%synergy
Kenrith's Transformation
8.8%inclusion5 decks57 decks
5%synergy
Paradox Haze
8.8%inclusion5 decks57 decks
8%synergy
Walk-In Closet // Forgotten Cellar
7.3%inclusion4 decks55 decks
5%synergy
Extravagant Replication
7.0%inclusion4 decks57 decks
5%synergy
Wilderness Reclamation
7.0%inclusion4 decks57 decks
-2%synergy
Kiora Bests the Sea God
7.0%inclusion4 decks57 decks
5%synergy
Waterbender Ascension
5.6%inclusion1 decks18 decks
5%synergy
Crystalline Armor
5.6%inclusion1 decks18 decks
5%synergy
Mana Reflection
5.3%inclusion3 decks57 decks
0%synergy
Zendikar Resurgent
5.3%inclusion3 decks57 decks
3%synergy
Burgeoning
5.3%inclusion3 decks57 decks
-2%synergy
Battles
Invasion of Segovia
5.3%inclusion3 decks57 decks
5%synergy
Planeswalkers
Oko, Thief of Crowns
21%inclusion12 decks57 decks
15%synergy
Kiora, the Crashing Wave
16%inclusion9 decks57 decks
13%synergy
Kiora, Behemoth Beckoner
5.3%inclusion3 decks57 decks
-1%synergy
Utility Lands
Reliquary Tower
58%inclusion33 decks57 decks
8%synergy
Yavimaya, Cradle of Growth
35%inclusion20 decks57 decks
14%synergy
Boseiju, Who Endures
33%inclusion19 decks57 decks
11%synergy
Otawara, Soaring City
32%inclusion18 decks57 decks
13%synergy
Evendo, Waking Haven
21%inclusion6 decks28 decks
16%synergy
Mosswort Bridge
19%inclusion11 decks57 decks
2%synergy
Three Tree City
18%inclusion10 decks55 decks
13%synergy
Mystic Sanctuary
16%inclusion9 decks57 decks
4%synergy
Command Beacon
14%inclusion8 decks57 decks
10%synergy
Temple of the False God
14%inclusion8 decks57 decks
-2%synergy
Castle Garenbrig
14%inclusion8 decks57 decks
10%synergy
Rogue's Passage
12%inclusion7 decks57 decks
-10%synergy
Mistrise Village
12%inclusion4 decks34 decks
1%synergy
Alchemist's Refuge
11%inclusion6 decks57 decks
-8%synergy
Nykthos, Shrine to Nyx
7.0%inclusion4 decks57 decks
4%synergy
Castle Vantress
7.0%inclusion4 decks57 decks
0%synergy
Agna Qel'a
5.6%inclusion1 decks18 decks
4%synergy
Restless Vinestalk
5.3%inclusion3 decks57 decks
0%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
37%inclusion21 decks57 decks
6%synergy
Thought Vessel
32%inclusion18 decks57 decks
12%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
Midnight Clock
5.3%inclusion3 decks57 decks
3%synergy
Thran Dynamo
5.3%inclusion3 decks57 decks
2%synergy
Lands
Command Tower
89%inclusion51 decks57 decks
4%synergy
Forest
88%inclusion50 decks57 decks
-8%synergy
Island
88%inclusion50 decks57 decks
-8%synergy
Breeding Pool
84%inclusion48 decks57 decks
37%synergy
Rejuvenating Springs
70%inclusion40 decks57 decks
28%synergy
Hinterland Harbor
63%inclusion36 decks57 decks
2%synergy
Dreamroot Cascade
61%inclusion35 decks57 decks
17%synergy
Misty Rainforest
60%inclusion34 decks57 decks
29%synergy
Yavimaya Coast
49%inclusion28 decks57 decks
-4%synergy
Tropical Island
46%inclusion26 decks57 decks
31%synergy
Simic Growth Chamber
44%inclusion25 decks57 decks
-3%synergy
Vineglimmer Snarl
44%inclusion25 decks57 decks
5%synergy
Hedge Maze
42%inclusion24 decks57 decks
22%synergy
Flooded Grove
40%inclusion23 decks57 decks
-3%synergy
Barkchannel Pathway
35%inclusion20 decks57 decks
15%synergy
Willowrush Verge
32%inclusion13 decks41 decks
14%synergy
Temple of Mystery
30%inclusion17 decks57 decks
-8%synergy
Fabled Passage
28%inclusion16 decks57 decks
12%synergy
Sodden Verdure
27%inclusion4 decks15 decks
8%synergy
Myriad Landscape
25%inclusion14 decks57 decks
4%synergy
Waterlogged Grove
25%inclusion14 decks57 decks
5%synergy
Rimewood Falls
23%inclusion13 decks57 decks
15%synergy
Evolving Wilds
21%inclusion12 decks57 decks
-4%synergy
Tangled Islet
19%inclusion11 decks57 decks
3%synergy
Glasspool Mimic
18%inclusion10 decks57 decks
13%synergy
Terramorphic Expanse
16%inclusion9 decks57 decks
-4%synergy
Exotic Orchard
16%inclusion9 decks57 decks
-9%synergy
Overflowing Basin
16%inclusion9 decks57 decks
-5%synergy
Snow-Covered Island
16%inclusion9 decks57 decks
10%synergy
Snow-Covered Forest
16%inclusion9 decks57 decks
10%synergy
Path of Ancestry
16%inclusion9 decks57 decks
-2%synergy
Bala Ged Recovery
16%inclusion9 decks57 decks
6%synergy
Rain-Slicked Copse
13%inclusion2 decks15 decks
4%synergy
Botanical Sanctum
12%inclusion7 decks57 decks
-1%synergy
Thornwood Falls
12%inclusion7 decks57 decks
-5%synergy
Blighted Woodland
11%inclusion6 decks57 decks
4%synergy
Prismatic Vista
11%inclusion6 decks57 decks
4%synergy
Sea Gate Restoration
11%inclusion6 decks57 decks
5%synergy
Wooded Foothills
11%inclusion6 decks57 decks
1%synergy
Flooded Strand
11%inclusion6 decks57 decks
0%synergy
Polluted Delta
11%inclusion6 decks57 decks
1%synergy
Windswept Heath
8.8%inclusion5 decks57 decks
-1%synergy
Verdant Catacombs
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
Scalding Tarn
8.8%inclusion5 decks57 decks
0%synergy
Tanglepool Bridge
7.0%inclusion4 decks57 decks
2%synergy
Littjara Mirrorlake
7.0%inclusion4 decks57 decks
3%synergy
Sink into Stupor
7.0%inclusion4 decks57 decks
-5%synergy
Lush Oasis
7.0%inclusion4 decks57 decks
1%synergy
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