Koma, Cosmos Serpent (Commander) - Expensive Core

Alternate Names:

The Monstrous SerpentThe Monstrous Serpent

Koma, Cosmos Serpent
Rank #332
58decks
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%inclusion3 decks9 decks
30%synergy
Mind into Matter
11%inclusion1 decks9 decks
2%synergy
Studious First-Year
11%inclusion1 decks9 decks
6%synergy
Noxious Newt
11%inclusion1 decks9 decks
9%synergy
High Synergy Cards
Adrix and Nev, Twincasters
81%inclusion47 decks58 decks
72%synergy
Spark Double
76%inclusion44 decks58 decks
67%synergy
Parallel Lives
72%inclusion42 decks58 decks
67%synergy
Junk Winder
72%inclusion42 decks58 decks
66%synergy
Koma, World-Eater
77%inclusion41 decks53 decks
65%synergy
Whelming Wave
74%inclusion43 decks58 decks
63%synergy
Elemental Bond
69%inclusion40 decks58 decks
63%synergy
Serpent of Yawning Depths
69%inclusion40 decks58 decks
63%synergy
Aesi, Tyrant of Gyre Strait
78%inclusion45 decks58 decks
60%synergy
Irenicus's Vile Duplication
62%inclusion36 decks58 decks
56%synergy
Top Cards
Cultivate
79%inclusion46 decks58 decks
33%synergy
Kodama's Reach
78%inclusion45 decks58 decks
43%synergy
Nature's Lore
71%inclusion41 decks58 decks
39%synergy
Three Visits
69%inclusion40 decks58 decks
44%synergy
Heroic Intervention
69%inclusion40 decks58 decks
39%synergy
Counterspell
67%inclusion39 decks58 decks
18%synergy
Doubling Season
64%inclusion37 decks58 decks
53%synergy
Rampant Growth
62%inclusion36 decks58 decks
22%synergy
Birds of Paradise
60%inclusion35 decks58 decks
33%synergy
Spawning Kraken
60%inclusion35 decks58 decks
53%synergy
Game Changers
Seedborn Muse
17%inclusion10 decks58 decks
1%synergy
Consecrated Sphinx
12%inclusion7 decks58 decks
4%synergy
Rhystic Study
5.2%inclusion3 decks58 decks
-15%synergy
Fierce Guardianship
5.2%inclusion3 decks58 decks
-11%synergy
Worldly Tutor
5.2%inclusion3 decks58 decks
-9%synergy
Creatures
Sakashima of a Thousand Faces
60%inclusion35 decks58 decks
55%synergy
Sakashima the Impostor
55%inclusion32 decks58 decks
53%synergy
Arixmethes, Slumbering Isle
52%inclusion30 decks58 decks
39%synergy
Elvish Mystic
50%inclusion29 decks58 decks
27%synergy
Tatyova, Benthic Druid
47%inclusion27 decks58 decks
17%synergy
Llanowar Elves
45%inclusion26 decks58 decks
17%synergy
Murkfiend Liege
43%inclusion25 decks58 decks
29%synergy
Sakura-Tribe Elder
40%inclusion23 decks58 decks
21%synergy
Hullbreaker Horror
40%inclusion23 decks58 decks
22%synergy
Roaming Throne
38%inclusion22 decks58 decks
31%synergy
Craterhoof Behemoth
38%inclusion22 decks58 decks
28%synergy
Garruk's Packleader
34%inclusion20 decks58 decks
32%synergy
Summon: Leviathan
34%inclusion12 decks35 decks
27%synergy
Enduring Vitality
30%inclusion17 decks56 decks
23%synergy
Ohran Frostfang
29%inclusion17 decks58 decks
26%synergy
Slinn Voda, the Rising Deep
28%inclusion16 decks58 decks
22%synergy
The Unagi of Kyoshi Island
27%inclusion6 decks22 decks
22%synergy
Eternal Witness
26%inclusion15 decks58 decks
7%synergy
Delighted Halfling
24%inclusion14 decks58 decks
13%synergy
Fyndhorn Elves
24%inclusion14 decks58 decks
10%synergy
Octomancer
23%inclusion13 decks56 decks
19%synergy
Curiosity Crafter
22%inclusion13 decks58 decks
19%synergy
Esix, Fractal Bloom
22%inclusion13 decks58 decks
19%synergy
Nadir Kraken
21%inclusion12 decks58 decks
17%synergy
Fanatic of Rhonas
21%inclusion12 decks58 decks
15%synergy
Enduring Curiosity
20%inclusion11 decks56 decks
17%synergy
Coiling Oracle
19%inclusion11 decks58 decks
7%synergy
Archetype of Imagination
19%inclusion11 decks58 decks
15%synergy
Nezahal, Primal Tide
19%inclusion11 decks58 decks
9%synergy
Chameleon, Master of Disguise
18%inclusion5 decks28 decks
16%synergy
Scourge of Fleets
17%inclusion10 decks58 decks
10%synergy
Kiora, Sovereign of the Deep
17%inclusion10 decks58 decks
15%synergy
Scute Swarm
17%inclusion10 decks58 decks
-2%synergy
Uro, Titan of Nature's Wrath
17%inclusion10 decks58 decks
8%synergy
Loch Mare
17%inclusion3 decks18 decks
16%synergy
Glasspool Mimic
16%inclusion9 decks58 decks
11%synergy
Irma, Part-Time Mutant
15%inclusion2 decks13 decks
13%synergy
Xolatoyac, the Smiling Flood
14%inclusion8 decks58 decks
7%synergy
Lotus Cobra
14%inclusion8 decks58 decks
2%synergy
Starwinder
13%inclusion4 decks31 decks
7%synergy
Reclamation Sage
12%inclusion7 decks58 decks
-1%synergy
Rampaging Baloths
12%inclusion7 decks58 decks
-4%synergy
Avenger of Zendikar
12%inclusion7 decks58 decks
-5%synergy
Saryth, the Viper's Fang
12%inclusion7 decks58 decks
11%synergy
Auton Soldier
12%inclusion7 decks58 decks
9%synergy
Toski, Bearer of Secrets
12%inclusion7 decks58 decks
9%synergy
Tireless Provisioner
12%inclusion7 decks58 decks
-2%synergy
Clever Impersonator
12%inclusion7 decks58 decks
7%synergy
Troyan, Gutsy Explorer
10%inclusion6 decks58 decks
6%synergy
Circle of Dreams Druid
10%inclusion6 decks58 decks
8%synergy
Instants
Beast Within
57%inclusion33 decks58 decks
8%synergy
Growth Spiral
52%inclusion30 decks58 decks
7%synergy
Second Harvest
50%inclusion29 decks58 decks
44%synergy
Double Major
47%inclusion27 decks58 decks
38%synergy
An Offer You Can't Refuse
41%inclusion24 decks58 decks
18%synergy
Return of the Wildspeaker
41%inclusion24 decks58 decks
31%synergy
Mana Drain
38%inclusion22 decks58 decks
23%synergy
Negate
36%inclusion21 decks58 decks
11%synergy
Rapid Hybridization
34%inclusion20 decks58 decks
8%synergy
Pongify
34%inclusion20 decks58 decks
10%synergy
Arcane Denial
33%inclusion19 decks58 decks
11%synergy
Swan Song
29%inclusion17 decks58 decks
11%synergy
Nature's Claim
19%inclusion11 decks58 decks
10%synergy
Brainstorm
17%inclusion10 decks58 decks
3%synergy
Simic Charm
17%inclusion10 decks58 decks
10%synergy
Harrow
17%inclusion10 decks58 decks
6%synergy
Tamiyo's Safekeeping
16%inclusion9 decks58 decks
10%synergy
Krosan Grip
12%inclusion7 decks58 decks
5%synergy
Chord of Calling
12%inclusion7 decks58 decks
5%synergy
Reality Shift
12%inclusion7 decks58 decks
-2%synergy
Entish Restoration
10%inclusion6 decks58 decks
1%synergy
Planar Genesis
10%inclusion6 decks58 decks
-1%synergy
Return to Nature
10%inclusion6 decks58 decks
6%synergy
Noxious Revival
10%inclusion6 decks58 decks
5%synergy
Snakeskin Veil
8.6%inclusion5 decks58 decks
3%synergy
Collective Resistance
8.6%inclusion5 decks58 decks
5%synergy
Sink into Stupor
8.6%inclusion5 decks58 decks
-3%synergy
Eureka Moment
6.9%inclusion4 decks58 decks
-5%synergy
Stubborn Denial
6.9%inclusion4 decks58 decks
4%synergy
Mystic Reflection
6.9%inclusion4 decks58 decks
5%synergy
Sublime Epiphany
6.9%inclusion4 decks58 decks
5%synergy
Force of Vigor
6.9%inclusion4 decks58 decks
3%synergy
Tyvar's Stand
6.9%inclusion4 decks58 decks
3%synergy
Voidslime
6.9%inclusion4 decks58 decks
2%synergy
Force of Negation
6.9%inclusion4 decks58 decks
-1%synergy
Auroral Procession
5.4%inclusion2 decks37 decks
2%synergy
Archdruid's Charm
5.2%inclusion3 decks58 decks
0%synergy
Aetherize
5.2%inclusion3 decks58 decks
-7%synergy
Perplexing Test
5.2%inclusion3 decks58 decks
0%synergy
Sorceries
Skyshroud Claim
48%inclusion28 decks58 decks
39%synergy
Farseek
48%inclusion28 decks58 decks
22%synergy
Quantum Misalignment
28%inclusion16 decks58 decks
25%synergy
Rite of Replication
28%inclusion16 decks58 decks
20%synergy
Finale of Devastation
24%inclusion14 decks58 decks
13%synergy
Overwhelming Stampede
24%inclusion14 decks58 decks
12%synergy
Explore
22%inclusion13 decks58 decks
2%synergy
Rishkar's Expertise
19%inclusion11 decks58 decks
10%synergy
Bala Ged Recovery
17%inclusion10 decks58 decks
7%synergy
Triumph of the Hordes
14%inclusion8 decks58 decks
11%synergy
Urban Evolution
12%inclusion7 decks58 decks
3%synergy
Sea Gate Restoration
10%inclusion6 decks58 decks
5%synergy
Open the Way
10%inclusion6 decks58 decks
6%synergy
Bridgeworks Battle
8.6%inclusion5 decks58 decks
4%synergy
Explosive Vegetation
8.6%inclusion5 decks58 decks
3%synergy
Migration Path
8.6%inclusion5 decks58 decks
5%synergy
Raise the Palisade
8.6%inclusion5 decks58 decks
3%synergy
Lessons from Life
7.7%inclusion1 decks13 decks
2%synergy
Ponder
6.9%inclusion4 decks58 decks
0%synergy
Into the North
6.9%inclusion4 decks58 decks
6%synergy
Last March of the Ents
6.9%inclusion4 decks58 decks
4%synergy
Tempt with Discovery
6.9%inclusion4 decks58 decks
3%synergy
Curse of the Swine
6.9%inclusion4 decks58 decks
-5%synergy
Shamanic Revelation
6.9%inclusion4 decks58 decks
2%synergy
Regrowth
6.9%inclusion4 decks58 decks
3%synergy
Broken Bond
6.9%inclusion4 decks58 decks
2%synergy
Nature's Rhythm
5.4%inclusion2 decks37 decks
-1%synergy
Windfall
5.2%inclusion3 decks58 decks
1%synergy
Green Sun's Zenith
5.2%inclusion3 decks58 decks
-3%synergy
Finale of Revelation
5.2%inclusion3 decks58 decks
-1%synergy
Harmonize
5.2%inclusion3 decks58 decks
0%synergy
Aggressive Biomancy
5.2%inclusion3 decks58 decks
0%synergy
Doppelgang
5.2%inclusion3 decks58 decks
-2%synergy
Ezuri's Predation
5.2%inclusion3 decks58 decks
-2%synergy
Utility Artifacts
Lightning Greaves
48%inclusion28 decks58 decks
28%synergy
Helm of the Host
47%inclusion27 decks58 decks
41%synergy
Swiftfoot Boots
43%inclusion25 decks58 decks
18%synergy
Combine Chrysalis
26%inclusion15 decks58 decks
22%synergy
The Great Henge
22%inclusion13 decks58 decks
13%synergy
Eldrazi Monument
22%inclusion13 decks58 decks
22%synergy
Mirror Box
17%inclusion10 decks58 decks
14%synergy
Idol of Oblivion
14%inclusion8 decks58 decks
10%synergy
Sapphire Medallion
12%inclusion7 decks58 decks
9%synergy
Emerald Medallion
12%inclusion7 decks58 decks
9%synergy
Coat of Arms
6.9%inclusion4 decks58 decks
6%synergy
Crucible of Worlds
6.9%inclusion4 decks58 decks
3%synergy
Bident of Thassa
6.9%inclusion4 decks58 decks
0%synergy
Mirrormind Crown
5.6%inclusion1 decks18 decks
5%synergy
Mirror Gallery
5.2%inclusion3 decks58 decks
5%synergy
Enchantments
Tribute to the World Tree
53%inclusion31 decks58 decks
48%synergy
Kindred Discovery
34%inclusion20 decks58 decks
25%synergy
Mystic Remora
31%inclusion18 decks58 decks
17%synergy
Primal Vigor
28%inclusion16 decks58 decks
25%synergy
Growing Rites of Itlimoc
26%inclusion15 decks58 decks
20%synergy
Exploration
21%inclusion12 decks58 decks
8%synergy
Garruk's Uprising
21%inclusion12 decks58 decks
3%synergy
Sylvan Library
19%inclusion11 decks58 decks
11%synergy
Defense of the Heart
16%inclusion9 decks58 decks
13%synergy
Impostor Syndrome
14%inclusion4 decks28 decks
13%synergy
Wild Growth
14%inclusion8 decks58 decks
5%synergy
Utopia Sprawl
12%inclusion7 decks58 decks
6%synergy
Imprisoned in the Moon
12%inclusion7 decks58 decks
8%synergy
Asceticism
12%inclusion7 decks58 decks
9%synergy
Cryptolith Rite
10%inclusion6 decks58 decks
7%synergy
Beastmaster Ascension
10%inclusion6 decks58 decks
7%synergy
Unnatural Growth
10%inclusion6 decks58 decks
7%synergy
Paradox Haze
10%inclusion6 decks58 decks
10%synergy
Kenrith's Transformation
8.6%inclusion5 decks58 decks
5%synergy
Walk-In Closet // Forgotten Cellar
7.1%inclusion4 decks56 decks
5%synergy
Wilderness Reclamation
6.9%inclusion4 decks58 decks
-2%synergy
Kiora Bests the Sea God
6.9%inclusion4 decks58 decks
5%synergy
Propaganda
6.9%inclusion4 decks58 decks
0%synergy
Moonlit Meditation
6.5%inclusion2 decks31 decks
5%synergy
Springleaf Parade
5.6%inclusion1 decks18 decks
3%synergy
Extravagant Replication
5.2%inclusion3 decks58 decks
3%synergy
Burgeoning
5.2%inclusion3 decks58 decks
-2%synergy
Zendikar Resurgent
5.2%inclusion3 decks58 decks
3%synergy
Mana Reflection
5.2%inclusion3 decks58 decks
0%synergy
Battles
Invasion of Segovia
5.2%inclusion3 decks58 decks
5%synergy
Planeswalkers
Oko, Thief of Crowns
22%inclusion13 decks58 decks
16%synergy
Kiora, the Crashing Wave
16%inclusion9 decks58 decks
13%synergy
Kiora, Behemoth Beckoner
5.2%inclusion3 decks58 decks
-1%synergy
Utility Lands
Reliquary Tower
60%inclusion35 decks58 decks
10%synergy
Yavimaya, Cradle of Growth
38%inclusion22 decks58 decks
17%synergy
Boseiju, Who Endures
33%inclusion19 decks58 decks
11%synergy
Otawara, Soaring City
31%inclusion18 decks58 decks
13%synergy
Evendo, Waking Haven
26%inclusion8 decks31 decks
21%synergy
Three Tree City
20%inclusion11 decks56 decks
15%synergy
Mosswort Bridge
19%inclusion11 decks58 decks
2%synergy
Mystic Sanctuary
16%inclusion9 decks58 decks
3%synergy
Command Beacon
16%inclusion9 decks58 decks
12%synergy
Temple of the False God
16%inclusion9 decks58 decks
0%synergy
Castle Garenbrig
16%inclusion9 decks58 decks
11%synergy
Rogue's Passage
14%inclusion8 decks58 decks
-9%synergy
Mistrise Village
14%inclusion5 decks37 decks
3%synergy
Alchemist's Refuge
10%inclusion6 decks58 decks
-8%synergy
Restless Vinestalk
8.6%inclusion5 decks58 decks
4%synergy
Castle Vantress
8.6%inclusion5 decks58 decks
2%synergy
Nykthos, Shrine to Nyx
6.9%inclusion4 decks58 decks
4%synergy
Lumbering Falls
6.9%inclusion4 decks58 decks
1%synergy
Thespian's Stage
5.2%inclusion3 decks58 decks
-2%synergy
Mana Artifacts
Sol Ring
93%inclusion54 decks58 decks
13%synergy
Arcane Signet
67%inclusion39 decks58 decks
4%synergy
Simic Signet
34%inclusion20 decks58 decks
5%synergy
Thought Vessel
31%inclusion18 decks58 decks
11%synergy
Talisman of Curiosity
21%inclusion12 decks58 decks
-1%synergy
Decanter of Endless Water
10%inclusion6 decks58 decks
6%synergy
Commander's Sphere
6.9%inclusion4 decks58 decks
0%synergy
Thran Dynamo
5.2%inclusion3 decks58 decks
2%synergy
Midnight Clock
5.2%inclusion3 decks58 decks
3%synergy
Lands
Command Tower
90%inclusion52 decks58 decks
5%synergy
Island
88%inclusion51 decks58 decks
-8%synergy
Forest
88%inclusion51 decks58 decks
-8%synergy
Breeding Pool
83%inclusion48 decks58 decks
36%synergy
Rejuvenating Springs
67%inclusion39 decks58 decks
25%synergy
Dreamroot Cascade
62%inclusion36 decks58 decks
17%synergy
Hinterland Harbor
62%inclusion36 decks58 decks
1%synergy
Misty Rainforest
57%inclusion33 decks58 decks
26%synergy
Simic Growth Chamber
48%inclusion28 decks58 decks
2%synergy
Yavimaya Coast
47%inclusion27 decks58 decks
-6%synergy
Tropical Island
45%inclusion26 decks58 decks
31%synergy
Hedge Maze
45%inclusion26 decks58 decks
25%synergy
Vineglimmer Snarl
43%inclusion25 decks58 decks
4%synergy
Flooded Grove
43%inclusion25 decks58 decks
0%synergy
Barkchannel Pathway
38%inclusion22 decks58 decks
18%synergy
Willowrush Verge
32%inclusion14 decks44 decks
14%synergy
Temple of Mystery
29%inclusion17 decks58 decks
-8%synergy
Sodden Verdure
28%inclusion5 decks18 decks
8%synergy
Fabled Passage
28%inclusion16 decks58 decks
11%synergy
Myriad Landscape
24%inclusion14 decks58 decks
4%synergy
Rimewood Falls
24%inclusion14 decks58 decks
16%synergy
Evolving Wilds
22%inclusion13 decks58 decks
-2%synergy
Waterlogged Grove
22%inclusion13 decks58 decks
3%synergy
Tangled Islet
21%inclusion12 decks58 decks
5%synergy
Bala Ged Recovery
17%inclusion10 decks58 decks
7%synergy
Terramorphic Expanse
16%inclusion9 decks58 decks
-5%synergy
Exotic Orchard
16%inclusion9 decks58 decks
-9%synergy
Snow-Covered Island
16%inclusion9 decks58 decks
10%synergy
Overflowing Basin
16%inclusion9 decks58 decks
-6%synergy
Snow-Covered Forest
16%inclusion9 decks58 decks
10%synergy
Glasspool Mimic
16%inclusion9 decks58 decks
11%synergy
Thornwood Falls
14%inclusion8 decks58 decks
-3%synergy
Botanical Sanctum
14%inclusion8 decks58 decks
1%synergy
Path of Ancestry
14%inclusion8 decks58 decks
-4%synergy
Blighted Woodland
12%inclusion7 decks58 decks
5%synergy
Prismatic Vista
12%inclusion7 decks58 decks
5%synergy
Rain-Slicked Copse
11%inclusion2 decks18 decks
1%synergy
Sea Gate Restoration
10%inclusion6 decks58 decks
5%synergy
Wooded Foothills
10%inclusion6 decks58 decks
1%synergy
Polluted Delta
10%inclusion6 decks58 decks
0%synergy
Flooded Strand
10%inclusion6 decks58 decks
0%synergy
Windswept Heath
8.6%inclusion5 decks58 decks
-1%synergy
Littjara Mirrorlake
8.6%inclusion5 decks58 decks
5%synergy
Cavern of Souls
8.6%inclusion5 decks58 decks
4%synergy
Bridgeworks Battle
8.6%inclusion5 decks58 decks
4%synergy
Lush Oasis
8.6%inclusion5 decks58 decks
3%synergy
Verdant Catacombs
8.6%inclusion5 decks58 decks
0%synergy
Scalding Tarn
8.6%inclusion5 decks58 decks
0%synergy
Sink into Stupor
8.6%inclusion5 decks58 decks
-3%synergy
Tanglepool Bridge
6.9%inclusion4 decks58 decks
2%synergy
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