Koma, Cosmos Serpent (Commander) - Core

Alternate Names:

The Monstrous SerpentThe Monstrous Serpent

Koma, Cosmos Serpent
Rank #338
582decks
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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Mister Fantastic, Reed Richards
6.3%inclusion2 decks32 decks
4%synergy
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3.7%inclusion1 decks27 decks
4%synergy
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3%synergy
High Synergy Cards
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63%synergy
Adrix and Nev, Twincasters
66%inclusion383 decks582 decks
57%synergy
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56%synergy
Koma, World-Eater
65%inclusion303 decks468 decks
52%synergy
Elemental Bond
57%inclusion331 decks582 decks
51%synergy
Irenicus's Vile Duplication
47%inclusion274 decks582 decks
41%synergy
Serpent of Yawning Depths
44%inclusion255 decks582 decks
38%synergy
Kodama's Reach
71%inclusion413 decks582 decks
37%synergy
Arixmethes, Slumbering Isle
48%inclusion282 decks582 decks
35%synergy
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37%inclusion215 decks582 decks
35%synergy
Top Cards
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79%inclusion461 decks582 decks
33%synergy
Rampant Growth
72%inclusion418 decks582 decks
32%synergy
Counterspell
66%inclusion387 decks582 decks
18%synergy
Growth Spiral
65%inclusion377 decks582 decks
20%synergy
Beast Within
58%inclusion337 decks582 decks
9%synergy
Negate
53%inclusion311 decks582 decks
29%synergy
Aesi, Tyrant of Gyre Strait
49%inclusion286 decks582 decks
31%synergy
Tatyova, Benthic Druid
48%inclusion277 decks582 decks
18%synergy
Nature's Lore
47%inclusion273 decks582 decks
14%synergy
Farseek
46%inclusion265 decks582 decks
19%synergy
Game Changers
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10%inclusion58 decks582 decks
-6%synergy
Creatures
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44%inclusion256 decks582 decks
16%synergy
Spark Double
43%inclusion252 decks582 decks
34%synergy
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43%inclusion249 decks582 decks
29%synergy
Sakura-Tribe Elder
42%inclusion245 decks582 decks
24%synergy
Spawning Kraken
39%inclusion228 decks582 decks
32%synergy
Slinn Voda, the Rising Deep
35%inclusion205 decks582 decks
29%synergy
Elvish Mystic
35%inclusion202 decks582 decks
12%synergy
Coiling Oracle
32%inclusion188 decks582 decks
20%synergy
Hullbreaker Horror
32%inclusion187 decks582 decks
15%synergy
Esix, Fractal Bloom
27%inclusion160 decks582 decks
24%synergy
Eternal Witness
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8%synergy
Summon: Leviathan
26%inclusion66 decks252 decks
19%synergy
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22%synergy
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21%synergy
Sakashima of a Thousand Faces
25%inclusion143 decks582 decks
20%synergy
Scourge of Fleets
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17%synergy
Ohran Frostfang
24%inclusion139 decks582 decks
20%synergy
Sakashima the Impostor
24%inclusion137 decks582 decks
21%synergy
Fyndhorn Elves
23%inclusion132 decks582 decks
9%synergy
Birds of Paradise
22%inclusion129 decks582 decks
-5%synergy
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22%inclusion127 decks582 decks
18%synergy
Reclamation Sage
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7%synergy
Xolatoyac, the Smiling Flood
18%inclusion107 decks582 decks
12%synergy
Enduring Vitality
18%inclusion99 decks539 decks
11%synergy
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1%synergy
Curiosity Crafter
16%inclusion95 decks582 decks
13%synergy
Avenger of Zendikar
16%inclusion95 decks582 decks
-0%synergy
Scute Swarm
16%inclusion93 decks582 decks
-2%synergy
Stormtide Leviathan
16%inclusion91 decks582 decks
10%synergy
Nezahal, Primal Tide
15%inclusion90 decks582 decks
5%synergy
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14%inclusion84 decks582 decks
10%synergy
The Unagi of Kyoshi Island
14%inclusion22 decks155 decks
9%synergy
Fanatic of Rhonas
14%inclusion80 decks582 decks
8%synergy
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11%synergy
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9%synergy
Starwinder
13%inclusion26 decks207 decks
7%synergy
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12%inclusion72 decks582 decks
11%synergy
Saryth, the Viper's Fang
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11%synergy
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2%synergy
Tromokratis
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7%synergy
Toski, Bearer of Secrets
11%inclusion64 decks582 decks
8%synergy
Roaming Throne
11%inclusion63 decks582 decks
4%synergy
Tireless Provisioner
11%inclusion62 decks582 decks
-3%synergy
Enduring Curiosity
10%inclusion54 decks544 decks
7%synergy
Studious First-Year
9.5%inclusion7 decks74 decks
5%synergy
Progenitor Mimic
9.3%inclusion54 decks582 decks
5%synergy
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9.1%inclusion53 decks582 decks
-0%synergy
Lotus Cobra
9.1%inclusion53 decks582 decks
-3%synergy
Chameleon, Master of Disguise
8.3%inclusion15 decks181 decks
6%synergy
Simic Sky Swallower
8.2%inclusion48 decks582 decks
5%synergy
Instants
Double Major
42%inclusion244 decks582 decks
34%synergy
Second Harvest
37%inclusion217 decks582 decks
31%synergy
Return of the Wildspeaker
35%inclusion204 decks582 decks
25%synergy
Arcane Denial
34%inclusion195 decks582 decks
11%synergy
Heroic Intervention
31%inclusion183 decks582 decks
1%synergy
Pongify
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6%synergy
Rapid Hybridization
29%inclusion169 decks582 decks
2%synergy
An Offer You Can't Refuse
27%inclusion158 decks582 decks
4%synergy
Simic Charm
26%inclusion150 decks582 decks
19%synergy
Krosan Grip
23%inclusion134 decks582 decks
16%synergy
Reality Shift
22%inclusion127 decks582 decks
8%synergy
Planar Genesis
22%inclusion127 decks582 decks
11%synergy
Eureka Moment
21%inclusion120 decks582 decks
9%synergy
Snakeskin Veil
19%inclusion109 decks582 decks
13%synergy
Aetherize
18%inclusion103 decks582 decks
5%synergy
Harrow
17%inclusion99 decks582 decks
5%synergy
Brainstorm
15%inclusion89 decks582 decks
1%synergy
Nature's Claim
15%inclusion89 decks582 decks
6%synergy
Return to Nature
15%inclusion89 decks582 decks
11%synergy
Voidslime
13%inclusion77 decks582 decks
8%synergy
Tamiyo's Safekeeping
13%inclusion76 decks582 decks
8%synergy
Perplexing Test
12%inclusion68 decks582 decks
7%synergy
Decisive Denial
12%inclusion67 decks582 decks
5%synergy
Plasm Capture
12%inclusion67 decks582 decks
8%synergy
Entish Restoration
11%inclusion66 decks582 decks
2%synergy
Swan Song
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-9%synergy
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7%synergy
Saw It Coming
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5%synergy
Collective Resistance
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4%synergy
Joint Exploration
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3%synergy
Resculpt
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3%synergy
Mana Drain
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-8%synergy
Disdainful Stroke
7.0%inclusion41 decks582 decks
5%synergy
Tyvar's Stand
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2%synergy
Archdruid's Charm
6.2%inclusion36 decks582 decks
1%synergy
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6.2%inclusion36 decks582 decks
-6%synergy
Sublime Epiphany
5.8%inclusion34 decks582 decks
3%synergy
Mana Leak
5.7%inclusion33 decks582 decks
3%synergy
Fact or Fiction
5.5%inclusion32 decks582 decks
3%synergy
Quandrix Charm
5.4%inclusion4 decks74 decks
-4%synergy
Dispel
5.3%inclusion31 decks582 decks
1%synergy
Cancel
5.3%inclusion31 decks582 decks
3%synergy
Sorceries
Explore
37%inclusion216 decks582 decks
17%synergy
Three Visits
33%inclusion190 decks582 decks
7%synergy
Skyshroud Claim
31%inclusion183 decks582 decks
22%synergy
Overwhelming Stampede
27%inclusion156 decks582 decks
15%synergy
Urban Evolution
25%inclusion145 decks582 decks
16%synergy
Shamanic Revelation
22%inclusion128 decks582 decks
17%synergy
Migration Path
21%inclusion120 decks582 decks
17%synergy
Quantum Misalignment
19%inclusion109 decks582 decks
16%synergy
Rite of Replication
17%inclusion101 decks582 decks
10%synergy
Explosive Vegetation
16%inclusion95 decks582 decks
11%synergy
Rishkar's Expertise
15%inclusion85 decks582 decks
5%synergy
Search for Tomorrow
15%inclusion85 decks582 decks
11%synergy
Harmonize
14%inclusion84 decks582 decks
9%synergy
Curse of the Swine
14%inclusion81 decks582 decks
2%synergy
Distant Melody
12%inclusion71 decks582 decks
9%synergy
Shared Roots
11%inclusion16 decks152 decks
5%synergy
Ezuri's Predation
10%inclusion60 decks582 decks
3%synergy
Ravenform
9.1%inclusion53 decks582 decks
5%synergy
Echocasting Symposium
8.5%inclusion6 decks71 decks
5%synergy
Bala Ged Recovery
8.2%inclusion48 decks582 decks
-2%synergy
Doppelgang
8.1%inclusion47 decks582 decks
1%synergy
Broken Bond
7.6%inclusion44 decks582 decks
3%synergy
Preordain
7.4%inclusion43 decks582 decks
-0%synergy
Preposterous Proportions
7.3%inclusion34 decks463 decks
6%synergy
Mind into Matter
7.0%inclusion5 decks71 decks
-2%synergy
Ponder
6.7%inclusion39 decks582 decks
-0%synergy
Triumph of the Hordes
6.5%inclusion38 decks582 decks
4%synergy
Spitting Image
6.4%inclusion37 decks582 decks
5%synergy
Regrowth
6.0%inclusion35 decks582 decks
3%synergy
Overrun
5.8%inclusion34 decks582 decks
4%synergy
Circuitous Route
5.8%inclusion34 decks582 decks
4%synergy
Finale of Revelation
5.8%inclusion34 decks582 decks
-0%synergy
Vastwood Surge
5.7%inclusion33 decks582 decks
5%synergy
Aggressive Biomancy
5.5%inclusion32 decks582 decks
1%synergy
Bridgeworks Battle
5.5%inclusion32 decks582 decks
1%synergy
Repudiate // Replicate
5.2%inclusion30 decks582 decks
3%synergy
Utility Artifacts
Swiftfoot Boots
44%inclusion257 decks582 decks
19%synergy
Helm of the Host
34%inclusion197 decks582 decks
29%synergy
Combine Chrysalis
32%inclusion185 decks582 decks
28%synergy
Lightning Greaves
28%inclusion161 decks582 decks
8%synergy
Idol of Oblivion
17%inclusion100 decks582 decks
14%synergy
Mirror Box
15%inclusion87 decks582 decks
12%synergy
Bident of Thassa
13%inclusion76 decks582 decks
6%synergy
Emerald Medallion
10%inclusion59 decks582 decks
7%synergy
Sapphire Medallion
8.4%inclusion49 decks582 decks
5%synergy
Eldrazi Monument
7.2%inclusion42 decks582 decks
7%synergy
Enchantments
Doubling Season
31%inclusion178 decks582 decks
20%synergy
Parallel Lives
31%inclusion178 decks582 decks
25%synergy
Garruk's Uprising
28%inclusion163 decks582 decks
11%synergy
Tribute to the World Tree
28%inclusion163 decks582 decks
22%synergy
Kindred Discovery
21%inclusion123 decks582 decks
12%synergy
Wild Growth
17%inclusion98 decks582 decks
8%synergy
Beastmaster Ascension
16%inclusion96 decks582 decks
13%synergy
Primal Vigor
15%inclusion88 decks582 decks
12%synergy
Growing Rites of Itlimoc
14%inclusion82 decks582 decks
9%synergy
Utopia Sprawl
13%inclusion78 decks582 decks
7%synergy
Wilderness Reclamation
13%inclusion73 decks582 decks
3%synergy
Imprisoned in the Moon
11%inclusion65 decks582 decks
7%synergy
Propaganda
11%inclusion65 decks582 decks
4%synergy
Mystic Remora
11%inclusion64 decks582 decks
-3%synergy
Unnatural Growth
11%inclusion64 decks582 decks
8%synergy
Ominous Seas
10%inclusion60 decks582 decks
7%synergy
Paradox Haze
9.1%inclusion53 decks582 decks
9%synergy
Extravagant Replication
8.9%inclusion52 decks582 decks
6%synergy
Kenrith's Transformation
8.9%inclusion52 decks582 decks
5%synergy
Khalni Heart Expedition
8.6%inclusion50 decks582 decks
5%synergy
Cryptolith Rite
7.9%inclusion46 decks582 decks
5%synergy
Exploration
7.0%inclusion41 decks582 decks
-6%synergy
Verity Circle
7.0%inclusion41 decks582 decks
6%synergy
Battles
Invasion of Segovia
6.0%inclusion35 decks582 decks
5%synergy
Invasion of Zendikar
5.7%inclusion33 decks582 decks
4%synergy
Planeswalkers
Oko, Thief of Crowns
12%inclusion72 decks582 decks
6%synergy
Kiora, the Crashing Wave
9.1%inclusion53 decks582 decks
7%synergy
Kiora, Behemoth Beckoner
7.6%inclusion44 decks582 decks
2%synergy
Utility Lands
Reliquary Tower
51%inclusion296 decks582 decks
1%synergy
Temple of the False God
24%inclusion138 decks582 decks
8%synergy
Rogue's Passage
20%inclusion116 decks582 decks
-3%synergy
Mosswort Bridge
20%inclusion114 decks582 decks
2%synergy
Mystic Sanctuary
12%inclusion67 decks582 decks
-1%synergy
Yavimaya, Cradle of Growth
10%inclusion57 decks582 decks
-11%synergy
Alchemist's Refuge
8.4%inclusion49 decks582 decks
-10%synergy
Lumbering Falls
8.4%inclusion49 decks582 decks
2%synergy
Command Beacon
8.2%inclusion48 decks582 decks
5%synergy
Castle Garenbrig
8.2%inclusion48 decks582 decks
4%synergy
Three Tree City
8.0%inclusion46 decks575 decks
3%synergy
Restless Vinestalk
7.6%inclusion44 decks582 decks
3%synergy
Castle Vantress
7.2%inclusion42 decks582 decks
1%synergy
Evendo, Waking Haven
6.2%inclusion13 decks210 decks
1%synergy
Otawara, Soaring City
6.0%inclusion35 decks582 decks
-12%synergy
Boseiju, Who Endures
6.0%inclusion35 decks582 decks
-16%synergy
Mistrise Village
5.1%inclusion15 decks294 decks
-6%synergy
Mana Artifacts
Sol Ring
87%inclusion507 decks582 decks
7%synergy
Arcane Signet
73%inclusion425 decks582 decks
10%synergy
Simic Signet
46%inclusion269 decks582 decks
17%synergy
Thought Vessel
31%inclusion180 decks582 decks
11%synergy
Talisman of Curiosity
29%inclusion166 decks582 decks
7%synergy
Commander's Sphere
17%inclusion101 decks582 decks
10%synergy
Fellwar Stone
12%inclusion68 decks582 decks
2%synergy
Mind Stone
7.9%inclusion46 decks582 decks
4%synergy
Decanter of Endless Water
6.7%inclusion39 decks582 decks
2%synergy
Thran Dynamo
6.2%inclusion36 decks582 decks
3%synergy
Lands
Island
96%inclusion559 decks582 decks
0%synergy
Forest
96%inclusion559 decks582 decks
0%synergy
Command Tower
85%inclusion493 decks582 decks
-0%synergy
Hinterland Harbor
56%inclusion326 decks582 decks
-6%synergy
Simic Growth Chamber
54%inclusion317 decks582 decks
8%synergy
Yavimaya Coast
50%inclusion291 decks582 decks
-3%synergy
Temple of Mystery
45%inclusion264 decks582 decks
8%synergy
Vineglimmer Snarl
42%inclusion246 decks582 decks
3%synergy
Dreamroot Cascade
41%inclusion238 decks582 decks
-5%synergy
Flooded Grove
41%inclusion237 decks582 decks
-3%synergy
Evolving Wilds
33%inclusion192 decks582 decks
9%synergy
Rejuvenating Springs
32%inclusion185 decks582 decks
-11%synergy
Thornwood Falls
31%inclusion183 decks582 decks
15%synergy
Myriad Landscape
31%inclusion178 decks582 decks
10%synergy
Tangled Islet
26%inclusion153 decks582 decks
10%synergy
Breeding Pool
26%inclusion149 decks582 decks
-22%synergy
Exotic Orchard
26%inclusion149 decks582 decks
1%synergy
Terramorphic Expanse
23%inclusion133 decks582 decks
3%synergy
Rimewood Falls
20%inclusion117 decks582 decks
12%synergy
Barkchannel Pathway
19%inclusion109 decks582 decks
-1%synergy
Overflowing Basin
19%inclusion109 decks582 decks
-3%synergy
Simic Guildgate
18%inclusion105 decks582 decks
9%synergy
Sodden Verdure
16%inclusion20 decks125 decks
-5%synergy
Waterlogged Grove
14%inclusion84 decks582 decks
-5%synergy
Path of Ancestry
14%inclusion79 decks582 decks
-4%synergy
Misty Rainforest
13%inclusion75 decks582 decks
-18%synergy
Hedge Maze
12%inclusion67 decks582 decks
-8%synergy
Blighted Woodland
11%inclusion64 decks582 decks
5%synergy
Willowrush Verge
11%inclusion39 decks357 decks
-8%synergy
Fabled Passage
10%inclusion60 decks582 decks
-7%synergy
Botanical Sanctum
10%inclusion59 decks582 decks
-3%synergy
Littjara Mirrorlake
10%inclusion58 decks582 decks
7%synergy
Woodland Stream
8.4%inclusion49 decks582 decks
4%synergy
Bala Ged Recovery
8.2%inclusion48 decks582 decks
-2%synergy
Quandrix Campus
8.1%inclusion47 decks582 decks
1%synergy
Rain-Slicked Copse
8.0%inclusion10 decks125 decks
-2%synergy
Glasspool Mimic
7.4%inclusion43 decks582 decks
3%synergy
Snow-Covered Forest
7.2%inclusion42 decks582 decks
1%synergy
Snow-Covered Island
7.0%inclusion41 decks582 decks
1%synergy
Sink into Stupor
6.2%inclusion36 decks582 decks
-6%synergy
Lush Oasis
6.0%inclusion35 decks582 decks
1%synergy
Bridgeworks Battle
5.5%inclusion32 decks582 decks
1%synergy
Paradox Gardens
5.4%inclusion4 decks74 decks
-2%synergy
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