Koma, Cosmos Serpent (Commander) - Core

Alternate Names:

The Monstrous SerpentThe Monstrous Serpent

Koma, Cosmos Serpent
Rank #332
582decks
As CommanderAs CardAverage DeckDecks
Bracket
All12345
Budget
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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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Mind into Matter
10%inclusion5 decks51 decks
1%synergy
Echocasting Symposium
10%inclusion5 decks51 decks
6%synergy
Studious First-Year
7.4%inclusion4 decks54 decks
3%synergy
Quandrix Charm
5.6%inclusion3 decks54 decks
-4%synergy
Noxious Newt
4.1%inclusion2 decks49 decks
2%synergy
High Synergy Cards
Whelming Wave
75%inclusion434 decks582 decks
64%synergy
Adrix and Nev, Twincasters
66%inclusion386 decks582 decks
58%synergy
Junk Winder
63%inclusion366 decks582 decks
57%synergy
Koma, World-Eater
65%inclusion295 decks456 decks
52%synergy
Elemental Bond
57%inclusion332 decks582 decks
51%synergy
Irenicus's Vile Duplication
48%inclusion278 decks582 decks
42%synergy
Serpent of Yawning Depths
45%inclusion260 decks582 decks
38%synergy
Kodama's Reach
71%inclusion415 decks582 decks
37%synergy
Arixmethes, Slumbering Isle
49%inclusion283 decks582 decks
35%synergy
Spark Double
44%inclusion258 decks582 decks
35%synergy
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Cultivate
79%inclusion457 decks582 decks
32%synergy
Rampant Growth
71%inclusion416 decks582 decks
32%synergy
Counterspell
67%inclusion389 decks582 decks
18%synergy
Growth Spiral
65%inclusion381 decks582 decks
21%synergy
Beast Within
59%inclusion346 decks582 decks
11%synergy
Negate
53%inclusion311 decks582 decks
28%synergy
Aesi, Tyrant of Gyre Strait
49%inclusion285 decks582 decks
31%synergy
Tatyova, Benthic Druid
48%inclusion279 decks582 decks
18%synergy
Nature's Lore
47%inclusion272 decks582 decks
15%synergy
Swiftfoot Boots
45%inclusion263 decks582 decks
21%synergy
Game Changers
Seedborn Muse
10%inclusion60 decks582 decks
-6%synergy
Creatures
Llanowar Elves
43%inclusion253 decks582 decks
16%synergy
Murkfiend Liege
43%inclusion251 decks582 decks
29%synergy
Sakura-Tribe Elder
42%inclusion244 decks582 decks
23%synergy
Spawning Kraken
39%inclusion229 decks582 decks
32%synergy
Garruk's Packleader
37%inclusion218 decks582 decks
35%synergy
Slinn Voda, the Rising Deep
35%inclusion206 decks582 decks
29%synergy
Elvish Mystic
35%inclusion201 decks582 decks
12%synergy
Hullbreaker Horror
33%inclusion190 decks582 decks
15%synergy
Coiling Oracle
32%inclusion188 decks582 decks
20%synergy
Esix, Fractal Bloom
27%inclusion160 decks582 decks
24%synergy
Eternal Witness
27%inclusion155 decks582 decks
8%synergy
Octomancer
26%inclusion145 decks558 decks
21%synergy
Archetype of Imagination
26%inclusion149 decks582 decks
21%synergy
Summon: Leviathan
26%inclusion61 decks239 decks
19%synergy
Scourge of Fleets
25%inclusion144 decks582 decks
17%synergy
Sakashima of a Thousand Faces
24%inclusion141 decks582 decks
19%synergy
Sakashima the Impostor
24%inclusion139 decks582 decks
21%synergy
Ohran Frostfang
24%inclusion138 decks582 decks
20%synergy
Fyndhorn Elves
23%inclusion131 decks582 decks
8%synergy
Nadir Kraken
21%inclusion125 decks582 decks
18%synergy
Birds of Paradise
21%inclusion125 decks582 decks
-6%synergy
Reclamation Sage
20%inclusion116 decks582 decks
7%synergy
Xolatoyac, the Smiling Flood
19%inclusion111 decks582 decks
12%synergy
Enduring Vitality
18%inclusion93 decks527 decks
10%synergy
Avenger of Zendikar
17%inclusion100 decks582 decks
0%synergy
Rampaging Baloths
17%inclusion99 decks582 decks
1%synergy
Scute Swarm
16%inclusion94 decks582 decks
-3%synergy
Curiosity Crafter
16%inclusion93 decks582 decks
13%synergy
Nezahal, Primal Tide
16%inclusion93 decks582 decks
6%synergy
Stormtide Leviathan
16%inclusion91 decks582 decks
10%synergy
Troyan, Gutsy Explorer
15%inclusion86 decks582 decks
11%synergy
Inga and Esika
14%inclusion81 decks582 decks
12%synergy
Fanatic of Rhonas
13%inclusion76 decks582 decks
7%synergy
Starwinder
13%inclusion25 decks194 decks
7%synergy
The Unagi of Kyoshi Island
13%inclusion18 decks141 decks
8%synergy
Reef Worm
13%inclusion73 decks582 decks
9%synergy
Saryth, the Viper's Fang
12%inclusion72 decks582 decks
11%synergy
Kiora, Sovereign of the Deep
12%inclusion72 decks582 decks
11%synergy
Tromokratis
12%inclusion69 decks582 decks
7%synergy
Roaming Throne
12%inclusion68 decks582 decks
4%synergy
Craterhoof Behemoth
12%inclusion67 decks582 decks
2%synergy
Toski, Bearer of Secrets
11%inclusion64 decks582 decks
8%synergy
Tireless Provisioner
11%inclusion62 decks582 decks
-3%synergy
Progenitor Mimic
10%inclusion57 decks582 decks
5%synergy
Lotus Cobra
10%inclusion56 decks582 decks
-3%synergy
Enduring Curiosity
9.4%inclusion50 decks532 decks
6%synergy
Uro, Titan of Nature's Wrath
8.9%inclusion52 decks582 decks
-1%synergy
Chameleon, Master of Disguise
8.9%inclusion15 decks168 decks
7%synergy
Jaheira, Friend of the Forest
8.2%inclusion48 decks582 decks
5%synergy
Simic Sky Swallower
8.2%inclusion48 decks582 decks
4%synergy
Instants
Double Major
42%inclusion245 decks582 decks
34%synergy
Second Harvest
37%inclusion215 decks582 decks
31%synergy
Return of the Wildspeaker
36%inclusion209 decks582 decks
26%synergy
Arcane Denial
34%inclusion196 decks582 decks
12%synergy
Heroic Intervention
32%inclusion186 decks582 decks
2%synergy
Pongify
31%inclusion180 decks582 decks
6%synergy
Rapid Hybridization
30%inclusion172 decks582 decks
3%synergy
An Offer You Can't Refuse
27%inclusion157 decks582 decks
4%synergy
Simic Charm
26%inclusion154 decks582 decks
19%synergy
Krosan Grip
24%inclusion139 decks582 decks
17%synergy
Reality Shift
23%inclusion131 decks582 decks
8%synergy
Planar Genesis
22%inclusion128 decks582 decks
11%synergy
Eureka Moment
21%inclusion122 decks582 decks
9%synergy
Snakeskin Veil
19%inclusion108 decks582 decks
13%synergy
Harrow
18%inclusion104 decks582 decks
6%synergy
Aetherize
18%inclusion102 decks582 decks
5%synergy
Return to Nature
16%inclusion94 decks582 decks
11%synergy
Nature's Claim
16%inclusion94 decks582 decks
7%synergy
Brainstorm
15%inclusion90 decks582 decks
1%synergy
Tamiyo's Safekeeping
14%inclusion79 decks582 decks
9%synergy
Voidslime
14%inclusion79 decks582 decks
9%synergy
Plasm Capture
12%inclusion68 decks582 decks
9%synergy
Perplexing Test
12%inclusion68 decks582 decks
7%synergy
Decisive Denial
11%inclusion66 decks582 decks
5%synergy
Entish Restoration
11%inclusion66 decks582 decks
2%synergy
Mystic Reflection
9.5%inclusion55 decks582 decks
7%synergy
Swan Song
9.3%inclusion54 decks582 decks
-9%synergy
Saw It Coming
8.6%inclusion50 decks582 decks
7%synergy
Stubborn Denial
8.2%inclusion48 decks582 decks
6%synergy
Resculpt
8.1%inclusion47 decks582 decks
3%synergy
Joint Exploration
8.1%inclusion47 decks582 decks
3%synergy
Collective Resistance
7.7%inclusion45 decks582 decks
4%synergy
Tyvar's Stand
7.0%inclusion41 decks582 decks
3%synergy
Mana Drain
7.0%inclusion41 decks582 decks
-8%synergy
Disdainful Stroke
6.9%inclusion40 decks582 decks
5%synergy
Sink into Stupor
6.5%inclusion38 decks582 decks
-5%synergy
Archdruid's Charm
6.4%inclusion37 decks582 decks
1%synergy
Sublime Epiphany
6.2%inclusion36 decks582 decks
4%synergy
Fact or Fiction
5.8%inclusion34 decks582 decks
3%synergy
Cancel
5.7%inclusion33 decks582 decks
4%synergy
Dispel
5.5%inclusion32 decks582 decks
1%synergy
Mana Leak
5.3%inclusion31 decks582 decks
3%synergy
Opt
5.2%inclusion30 decks582 decks
-2%synergy
Sorceries
Farseek
45%inclusion261 decks582 decks
19%synergy
Explore
38%inclusion221 decks582 decks
18%synergy
Three Visits
33%inclusion190 decks582 decks
8%synergy
Skyshroud Claim
32%inclusion184 decks582 decks
22%synergy
Overwhelming Stampede
27%inclusion159 decks582 decks
15%synergy
Urban Evolution
25%inclusion148 decks582 decks
16%synergy
Shamanic Revelation
23%inclusion132 decks582 decks
18%synergy
Migration Path
20%inclusion119 decks582 decks
17%synergy
Quantum Misalignment
19%inclusion113 decks582 decks
17%synergy
Rite of Replication
18%inclusion103 decks582 decks
11%synergy
Explosive Vegetation
16%inclusion93 decks582 decks
10%synergy
Rishkar's Expertise
15%inclusion87 decks582 decks
6%synergy
Harmonize
15%inclusion86 decks582 decks
9%synergy
Search for Tomorrow
15%inclusion86 decks582 decks
11%synergy
Curse of the Swine
14%inclusion82 decks582 decks
2%synergy
Distant Melody
12%inclusion71 decks582 decks
9%synergy
Shared Roots
11%inclusion15 decks138 decks
6%synergy
Ezuri's Predation
10%inclusion60 decks582 decks
3%synergy
Ravenform
9.5%inclusion55 decks582 decks
6%synergy
Bala Ged Recovery
8.6%inclusion50 decks582 decks
-1%synergy
Doppelgang
8.2%inclusion48 decks582 decks
1%synergy
Broken Bond
7.7%inclusion45 decks582 decks
3%synergy
Preposterous Proportions
7.3%inclusion33 decks451 decks
6%synergy
Ponder
7.0%inclusion41 decks582 decks
0%synergy
Preordain
7.0%inclusion41 decks582 decks
-1%synergy
Triumph of the Hordes
6.4%inclusion37 decks582 decks
3%synergy
Spitting Image
6.2%inclusion36 decks582 decks
4%synergy
Overrun
6.0%inclusion35 decks582 decks
4%synergy
Regrowth
6.0%inclusion35 decks582 decks
3%synergy
Bridgeworks Battle
5.7%inclusion33 decks582 decks
1%synergy
Finale of Revelation
5.7%inclusion33 decks582 decks
0%synergy
Circuitous Route
5.5%inclusion32 decks582 decks
3%synergy
Vastwood Surge
5.5%inclusion32 decks582 decks
4%synergy
Aggressive Biomancy
5.3%inclusion31 decks582 decks
1%synergy
Repudiate // Replicate
5.2%inclusion30 decks582 decks
3%synergy
Utility Artifacts
Helm of the Host
34%inclusion197 decks582 decks
29%synergy
Combine Chrysalis
32%inclusion187 decks582 decks
28%synergy
Lightning Greaves
28%inclusion164 decks582 decks
8%synergy
Idol of Oblivion
18%inclusion102 decks582 decks
14%synergy
Mirror Box
16%inclusion92 decks582 decks
13%synergy
Bident of Thassa
13%inclusion75 decks582 decks
6%synergy
Emerald Medallion
10%inclusion58 decks582 decks
7%synergy
Sapphire Medallion
8.6%inclusion50 decks582 decks
5%synergy
Eldrazi Monument
7.0%inclusion41 decks582 decks
7%synergy
Enchantments
Parallel Lives
31%inclusion178 decks582 decks
25%synergy
Doubling Season
30%inclusion172 decks582 decks
19%synergy
Tribute to the World Tree
28%inclusion164 decks582 decks
22%synergy
Garruk's Uprising
28%inclusion163 decks582 decks
11%synergy
Kindred Discovery
21%inclusion124 decks582 decks
12%synergy
Wild Growth
17%inclusion99 decks582 decks
8%synergy
Beastmaster Ascension
17%inclusion97 decks582 decks
14%synergy
Primal Vigor
15%inclusion88 decks582 decks
12%synergy
Utopia Sprawl
14%inclusion80 decks582 decks
7%synergy
Growing Rites of Itlimoc
14%inclusion80 decks582 decks
8%synergy
Wilderness Reclamation
13%inclusion74 decks582 decks
4%synergy
Propaganda
11%inclusion64 decks582 decks
4%synergy
Unnatural Growth
11%inclusion63 decks582 decks
7%synergy
Mystic Remora
11%inclusion63 decks582 decks
-3%synergy
Imprisoned in the Moon
10%inclusion61 decks582 decks
6%synergy
Ominous Seas
10%inclusion60 decks582 decks
7%synergy
Paradox Haze
8.9%inclusion52 decks582 decks
9%synergy
Kenrith's Transformation
8.9%inclusion52 decks582 decks
5%synergy
Extravagant Replication
8.8%inclusion51 decks582 decks
6%synergy
Khalni Heart Expedition
8.8%inclusion51 decks582 decks
5%synergy
Cryptolith Rite
7.7%inclusion45 decks582 decks
4%synergy
Exploration
7.2%inclusion42 decks582 decks
-6%synergy
Verity Circle
7.0%inclusion41 decks582 decks
6%synergy
Quest for Ula's Temple
5.2%inclusion30 decks582 decks
3%synergy
Asceticism
5.2%inclusion30 decks582 decks
2%synergy
Battles
Invasion of Zendikar
6.0%inclusion35 decks582 decks
5%synergy
Invasion of Segovia
6.0%inclusion35 decks582 decks
5%synergy
Planeswalkers
Oko, Thief of Crowns
12%inclusion72 decks582 decks
6%synergy
Kiora, the Crashing Wave
8.8%inclusion51 decks582 decks
6%synergy
Kiora, Behemoth Beckoner
7.6%inclusion44 decks582 decks
2%synergy
Utility Lands
Reliquary Tower
51%inclusion295 decks582 decks
1%synergy
Temple of the False God
24%inclusion140 decks582 decks
8%synergy
Mosswort Bridge
19%inclusion113 decks582 decks
2%synergy
Rogue's Passage
19%inclusion111 decks582 decks
-4%synergy
Mystic Sanctuary
12%inclusion67 decks582 decks
-1%synergy
Yavimaya, Cradle of Growth
9.5%inclusion55 decks582 decks
-12%synergy
Alchemist's Refuge
8.8%inclusion51 decks582 decks
-10%synergy
Lumbering Falls
8.8%inclusion51 decks582 decks
3%synergy
Castle Garenbrig
8.4%inclusion49 decks582 decks
4%synergy
Command Beacon
8.2%inclusion48 decks582 decks
5%synergy
Three Tree City
7.6%inclusion43 decks563 decks
3%synergy
Restless Vinestalk
7.6%inclusion44 decks582 decks
3%synergy
Castle Vantress
7.2%inclusion42 decks582 decks
1%synergy
Boseiju, Who Endures
5.8%inclusion34 decks582 decks
-16%synergy
Mistrise Village
5.7%inclusion16 decks281 decks
-5%synergy
Otawara, Soaring City
5.7%inclusion33 decks582 decks
-13%synergy
Evendo, Waking Haven
5.6%inclusion11 decks197 decks
0%synergy
Mana Artifacts
Sol Ring
88%inclusion511 decks582 decks
8%synergy
Arcane Signet
73%inclusion422 decks582 decks
9%synergy
Simic Signet
47%inclusion274 decks582 decks
17%synergy
Thought Vessel
31%inclusion183 decks582 decks
12%synergy
Talisman of Curiosity
29%inclusion168 decks582 decks
7%synergy
Commander's Sphere
18%inclusion102 decks582 decks
10%synergy
Fellwar Stone
12%inclusion67 decks582 decks
2%synergy
Mind Stone
7.9%inclusion46 decks582 decks
4%synergy
Decanter of Endless Water
7.6%inclusion44 decks582 decks
3%synergy
Thran Dynamo
6.4%inclusion37 decks582 decks
3%synergy
Lands
Island
96%inclusion558 decks582 decks
0%synergy
Forest
96%inclusion558 decks582 decks
0%synergy
Command Tower
85%inclusion496 decks582 decks
0%synergy
Hinterland Harbor
56%inclusion328 decks582 decks
-5%synergy
Simic Growth Chamber
55%inclusion323 decks582 decks
9%synergy
Yavimaya Coast
50%inclusion293 decks582 decks
-2%synergy
Temple of Mystery
45%inclusion262 decks582 decks
7%synergy
Vineglimmer Snarl
43%inclusion252 decks582 decks
4%synergy
Dreamroot Cascade
40%inclusion234 decks582 decks
-5%synergy
Flooded Grove
40%inclusion231 decks582 decks
-4%synergy
Evolving Wilds
33%inclusion194 decks582 decks
9%synergy
Rejuvenating Springs
32%inclusion187 decks582 decks
-10%synergy
Thornwood Falls
31%inclusion181 decks582 decks
14%synergy
Myriad Landscape
30%inclusion177 decks582 decks
10%synergy
Tangled Islet
27%inclusion155 decks582 decks
11%synergy
Exotic Orchard
26%inclusion149 decks582 decks
1%synergy
Breeding Pool
25%inclusion143 decks582 decks
-23%synergy
Terramorphic Expanse
24%inclusion137 decks582 decks
4%synergy
Rimewood Falls
21%inclusion121 decks582 decks
13%synergy
Barkchannel Pathway
18%inclusion107 decks582 decks
-1%synergy
Overflowing Basin
18%inclusion107 decks582 decks
-3%synergy
Simic Guildgate
18%inclusion107 decks582 decks
9%synergy
Waterlogged Grove
15%inclusion85 decks582 decks
-5%synergy
Sodden Verdure
14%inclusion16 decks111 decks
-6%synergy
Path of Ancestry
14%inclusion80 decks582 decks
-4%synergy
Misty Rainforest
12%inclusion71 decks582 decks
-19%synergy
Hedge Maze
11%inclusion66 decks582 decks
-8%synergy
Blighted Woodland
11%inclusion65 decks582 decks
5%synergy
Willowrush Verge
11%inclusion37 decks345 decks
-8%synergy
Fabled Passage
10%inclusion59 decks582 decks
-6%synergy
Littjara Mirrorlake
10%inclusion58 decks582 decks
6%synergy
Botanical Sanctum
10%inclusion57 decks582 decks
-3%synergy
Woodland Stream
8.8%inclusion51 decks582 decks
4%synergy
Bala Ged Recovery
8.6%inclusion50 decks582 decks
-1%synergy
Quandrix Campus
8.2%inclusion48 decks582 decks
1%synergy
Snow-Covered Forest
7.6%inclusion44 decks582 decks
2%synergy
Glasspool Mimic
7.4%inclusion43 decks582 decks
3%synergy
Snow-Covered Island
7.2%inclusion42 decks582 decks
1%synergy
Sink into Stupor
6.5%inclusion38 decks582 decks
-5%synergy
Lush Oasis
6.4%inclusion37 decks582 decks
1%synergy
Bridgeworks Battle
5.7%inclusion33 decks582 decks
1%synergy
Rain-Slicked Copse
5.4%inclusion6 decks111 decks
-4%synergy
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