Koma, Cosmos Serpent (Commander) - Core

Alternate Names:

The Monstrous SerpentThe Monstrous Serpent

Koma, Cosmos Serpent
Rank #343
562decks
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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Utility Lands
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Lands
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Mister Fantastic, Reed Richards
14%inclusion9 decks65 decks
10%synergy
Multiversal Recruitment
3.2%inclusion2 decks62 decks
2%synergy
Undercover Skrull
3.2%inclusion2 decks62 decks
3%synergy
Pym Technologies
3.2%inclusion2 decks62 decks
2%synergy
Loki, Lord of Misrule
3.2%inclusion2 decks62 decks
3%synergy
High Synergy Cards
Whelming Wave
72%inclusion407 decks562 decks
62%synergy
Adrix and Nev, Twincasters
66%inclusion369 decks562 decks
57%synergy
Junk Winder
62%inclusion347 decks562 decks
56%synergy
Koma, World-Eater
65%inclusion312 decks482 decks
53%synergy
Elemental Bond
57%inclusion322 decks562 decks
52%synergy
Irenicus's Vile Duplication
46%inclusion261 decks562 decks
41%synergy
Serpent of Yawning Depths
43%inclusion241 decks562 decks
37%synergy
Kodama's Reach
70%inclusion396 decks562 decks
37%synergy
Arixmethes, Slumbering Isle
49%inclusion275 decks562 decks
36%synergy
Garruk's Packleader
37%inclusion209 decks562 decks
35%synergy
Top Cards
Cultivate
80%inclusion447 decks562 decks
34%synergy
Rampant Growth
70%inclusion395 decks562 decks
31%synergy
Counterspell
67%inclusion374 decks562 decks
18%synergy
Growth Spiral
64%inclusion360 decks562 decks
20%synergy
Beast Within
57%inclusion323 decks562 decks
9%synergy
Negate
54%inclusion301 decks562 decks
29%synergy
Aesi, Tyrant of Gyre Strait
50%inclusion279 decks562 decks
32%synergy
Tatyova, Benthic Druid
47%inclusion263 decks562 decks
18%synergy
Nature's Lore
46%inclusion260 decks562 decks
13%synergy
Farseek
46%inclusion257 decks562 decks
19%synergy
Game Changers
Seedborn Muse
10%inclusion55 decks562 decks
-6%synergy
Creatures
Llanowar Elves
45%inclusion251 decks562 decks
16%synergy
Spark Double
43%inclusion244 decks562 decks
35%synergy
Sakura-Tribe Elder
43%inclusion239 decks562 decks
24%synergy
Murkfiend Liege
41%inclusion233 decks562 decks
28%synergy
Spawning Kraken
38%inclusion212 decks562 decks
31%synergy
Elvish Mystic
35%inclusion197 decks562 decks
12%synergy
Slinn Voda, the Rising Deep
33%inclusion188 decks562 decks
28%synergy
Hullbreaker Horror
31%inclusion177 decks562 decks
14%synergy
Coiling Oracle
31%inclusion176 decks562 decks
20%synergy
Esix, Fractal Bloom
28%inclusion158 decks562 decks
24%synergy
Summon: Leviathan
27%inclusion72 decks270 decks
20%synergy
Octomancer
26%inclusion147 decks562 decks
22%synergy
Eternal Witness
26%inclusion146 decks562 decks
8%synergy
Archetype of Imagination
26%inclusion145 decks562 decks
22%synergy
Sakashima of a Thousand Faces
25%inclusion143 decks562 decks
21%synergy
Ohran Frostfang
24%inclusion136 decks562 decks
20%synergy
Sakashima the Impostor
23%inclusion131 decks562 decks
21%synergy
Birds of Paradise
23%inclusion129 decks562 decks
-5%synergy
Scourge of Fleets
23%inclusion128 decks562 decks
16%synergy
Fyndhorn Elves
23%inclusion127 decks562 decks
9%synergy
Nadir Kraken
20%inclusion114 decks562 decks
17%synergy
Reclamation Sage
20%inclusion112 decks562 decks
8%synergy
Xolatoyac, the Smiling Flood
18%inclusion101 decks562 decks
12%synergy
Enduring Vitality
18%inclusion99 decks553 decks
10%synergy
Rampaging Baloths
17%inclusion95 decks562 decks
2%synergy
Avenger of Zendikar
17%inclusion95 decks562 decks
1%synergy
Curiosity Crafter
17%inclusion93 decks562 decks
13%synergy
Scute Swarm
16%inclusion90 decks562 decks
-2%synergy
Nezahal, Primal Tide
15%inclusion82 decks562 decks
5%synergy
Stormtide Leviathan
14%inclusion81 decks562 decks
9%synergy
Troyan, Gutsy Explorer
14%inclusion79 decks562 decks
10%synergy
Fanatic of Rhonas
14%inclusion79 decks562 decks
8%synergy
The Unagi of Kyoshi Island
14%inclusion24 decks177 decks
8%synergy
Inga and Esika
13%inclusion74 decks562 decks
11%synergy
Craterhoof Behemoth
13%inclusion74 decks562 decks
3%synergy
Saryth, the Viper's Fang
12%inclusion69 decks562 decks
11%synergy
Kiora, Sovereign of the Deep
12%inclusion68 decks562 decks
10%synergy
Reef Worm
12%inclusion68 decks562 decks
9%synergy
Starwinder
12%inclusion26 decks225 decks
6%synergy
Roaming Throne
11%inclusion64 decks562 decks
4%synergy
Toski, Bearer of Secrets
11%inclusion62 decks562 decks
8%synergy
Tromokratis
11%inclusion60 decks562 decks
6%synergy
Tireless Provisioner
11%inclusion60 decks562 decks
-3%synergy
Chameleon, Master of Disguise
11%inclusion21 decks200 decks
8%synergy
Studious First-Year
10%inclusion10 decks102 decks
6%synergy
Uro, Titan of Nature's Wrath
10%inclusion55 decks562 decks
1%synergy
Lotus Cobra
9.4%inclusion53 decks562 decks
-3%synergy
Progenitor Mimic
9.3%inclusion52 decks562 decks
5%synergy
Enduring Curiosity
9.1%inclusion51 decks558 decks
6%synergy
Hydroid Krasis
8.2%inclusion46 decks562 decks
-2%synergy
Instants
Double Major
41%inclusion232 decks562 decks
33%synergy
Second Harvest
37%inclusion208 decks562 decks
31%synergy
Return of the Wildspeaker
35%inclusion197 decks562 decks
25%synergy
Arcane Denial
33%inclusion188 decks562 decks
11%synergy
Heroic Intervention
31%inclusion177 decks562 decks
1%synergy
Pongify
30%inclusion168 decks562 decks
5%synergy
An Offer You Can't Refuse
29%inclusion162 decks562 decks
5%synergy
Rapid Hybridization
28%inclusion156 decks562 decks
0%synergy
Simic Charm
25%inclusion139 decks562 decks
18%synergy
Reality Shift
22%inclusion125 decks562 decks
8%synergy
Krosan Grip
22%inclusion122 decks562 decks
15%synergy
Planar Genesis
21%inclusion118 decks562 decks
10%synergy
Eureka Moment
21%inclusion116 decks562 decks
9%synergy
Snakeskin Veil
20%inclusion110 decks562 decks
13%synergy
Aetherize
17%inclusion97 decks562 decks
5%synergy
Harrow
17%inclusion96 decks562 decks
6%synergy
Brainstorm
15%inclusion87 decks562 decks
1%synergy
Nature's Claim
15%inclusion87 decks562 decks
7%synergy
Return to Nature
15%inclusion86 decks562 decks
11%synergy
Tamiyo's Safekeeping
13%inclusion75 decks562 decks
8%synergy
Voidslime
13%inclusion75 decks562 decks
9%synergy
Decisive Denial
12%inclusion67 decks562 decks
6%synergy
Perplexing Test
12%inclusion65 decks562 decks
6%synergy
Plasm Capture
11%inclusion63 decks562 decks
8%synergy
Entish Restoration
11%inclusion62 decks562 decks
2%synergy
Swan Song
10%inclusion57 decks562 decks
-9%synergy
Mystic Reflection
9.1%inclusion51 decks562 decks
7%synergy
Saw It Coming
8.5%inclusion48 decks562 decks
7%synergy
Stubborn Denial
8.0%inclusion45 decks562 decks
5%synergy
Collective Resistance
7.8%inclusion44 decks562 decks
4%synergy
Joint Exploration
7.7%inclusion43 decks562 decks
3%synergy
Disdainful Stroke
7.1%inclusion40 decks562 decks
5%synergy
Mana Drain
7.1%inclusion40 decks562 decks
-8%synergy
Resculpt
7.1%inclusion40 decks562 decks
2%synergy
Tyvar's Stand
6.6%inclusion37 decks562 decks
2%synergy
Sink into Stupor
6.4%inclusion36 decks562 decks
-6%synergy
Archdruid's Charm
6.0%inclusion34 decks562 decks
1%synergy
Fact or Fiction
5.9%inclusion33 decks562 decks
4%synergy
Dispel
5.9%inclusion33 decks562 decks
2%synergy
Sublime Epiphany
5.7%inclusion32 decks562 decks
3%synergy
Opt
5.3%inclusion30 decks562 decks
-2%synergy
Mana Leak
5.3%inclusion30 decks562 decks
3%synergy
Sorceries
Explore
36%inclusion203 decks562 decks
16%synergy
Three Visits
33%inclusion185 decks562 decks
7%synergy
Skyshroud Claim
31%inclusion174 decks562 decks
22%synergy
Overwhelming Stampede
27%inclusion149 decks562 decks
14%synergy
Urban Evolution
23%inclusion132 decks562 decks
14%synergy
Shamanic Revelation
22%inclusion124 decks562 decks
17%synergy
Quantum Misalignment
19%inclusion109 decks562 decks
17%synergy
Migration Path
19%inclusion109 decks562 decks
16%synergy
Rite of Replication
17%inclusion98 decks562 decks
10%synergy
Explosive Vegetation
16%inclusion89 decks562 decks
10%synergy
Rishkar's Expertise
15%inclusion84 decks562 decks
6%synergy
Harmonize
14%inclusion80 decks562 decks
9%synergy
Search for Tomorrow
14%inclusion79 decks562 decks
10%synergy
Curse of the Swine
13%inclusion75 decks562 decks
2%synergy
Shared Roots
13%inclusion22 decks174 decks
7%synergy
Distant Melody
12%inclusion67 decks562 decks
9%synergy
Ezuri's Predation
10%inclusion58 decks562 decks
3%synergy
Ravenform
8.5%inclusion48 decks562 decks
5%synergy
Doppelgang
8.2%inclusion46 decks562 decks
1%synergy
Echocasting Symposium
8.0%inclusion8 decks100 decks
5%synergy
Bala Ged Recovery
7.8%inclusion44 decks562 decks
-2%synergy
Preposterous Proportions
7.8%inclusion37 decks477 decks
7%synergy
Triumph of the Hordes
7.1%inclusion40 decks562 decks
4%synergy
Mind into Matter
7.0%inclusion7 decks100 decks
-1%synergy
Broken Bond
6.9%inclusion39 decks562 decks
3%synergy
Preordain
6.9%inclusion39 decks562 decks
-1%synergy
Lessons from Life
6.5%inclusion8 decks124 decks
1%synergy
Ponder
6.2%inclusion35 decks562 decks
-1%synergy
Finale of Revelation
6.0%inclusion34 decks562 decks
-0%synergy
Spitting Image
6.0%inclusion34 decks562 decks
4%synergy
Regrowth
5.9%inclusion33 decks562 decks
3%synergy
Overrun
5.7%inclusion32 decks562 decks
3%synergy
Circuitous Route
5.7%inclusion32 decks562 decks
3%synergy
Vastwood Surge
5.5%inclusion31 decks562 decks
4%synergy
Bridgeworks Battle
5.3%inclusion30 decks562 decks
1%synergy
Utility Artifacts
Swiftfoot Boots
43%inclusion243 decks562 decks
19%synergy
Helm of the Host
35%inclusion194 decks562 decks
30%synergy
Combine Chrysalis
32%inclusion178 decks562 decks
27%synergy
Lightning Greaves
27%inclusion154 decks562 decks
7%synergy
Idol of Oblivion
17%inclusion95 decks562 decks
14%synergy
Mirror Box
14%inclusion80 decks562 decks
11%synergy
Bident of Thassa
13%inclusion74 decks562 decks
6%synergy
Emerald Medallion
10%inclusion59 decks562 decks
7%synergy
Sapphire Medallion
8.0%inclusion45 decks562 decks
4%synergy
Eldrazi Monument
7.1%inclusion40 decks562 decks
7%synergy
Enchantments
Parallel Lives
31%inclusion177 decks562 decks
25%synergy
Doubling Season
31%inclusion176 decks562 decks
20%synergy
Garruk's Uprising
29%inclusion161 decks562 decks
11%synergy
Tribute to the World Tree
28%inclusion160 decks562 decks
23%synergy
Kindred Discovery
22%inclusion121 decks562 decks
12%synergy
Wild Growth
17%inclusion95 decks562 decks
8%synergy
Beastmaster Ascension
16%inclusion91 decks562 decks
13%synergy
Primal Vigor
15%inclusion84 decks562 decks
12%synergy
Growing Rites of Itlimoc
14%inclusion80 decks562 decks
9%synergy
Utopia Sprawl
14%inclusion76 decks562 decks
7%synergy
Wilderness Reclamation
12%inclusion70 decks562 decks
3%synergy
Mystic Remora
12%inclusion68 decks562 decks
-2%synergy
Propaganda
12%inclusion65 decks562 decks
5%synergy
Imprisoned in the Moon
11%inclusion64 decks562 decks
7%synergy
Unnatural Growth
11%inclusion64 decks562 decks
8%synergy
Ominous Seas
9.4%inclusion53 decks562 decks
6%synergy
Extravagant Replication
9.1%inclusion51 decks562 decks
7%synergy
Kenrith's Transformation
9.1%inclusion51 decks562 decks
6%synergy
Paradox Haze
8.7%inclusion49 decks562 decks
8%synergy
Cryptolith Rite
8.4%inclusion47 decks562 decks
5%synergy
Khalni Heart Expedition
8.4%inclusion47 decks562 decks
5%synergy
Exploration
6.8%inclusion38 decks562 decks
-6%synergy
Verity Circle
6.8%inclusion38 decks562 decks
6%synergy
Moonlit Meditation
5.3%inclusion12 decks225 decks
4%synergy
Asceticism
5.2%inclusion29 decks562 decks
2%synergy
Battles
Invasion of Zendikar
5.7%inclusion32 decks562 decks
4%synergy
Invasion of Segovia
5.7%inclusion32 decks562 decks
5%synergy
Planeswalkers
Oko, Thief of Crowns
12%inclusion70 decks562 decks
6%synergy
Kiora, the Crashing Wave
8.7%inclusion49 decks562 decks
6%synergy
Kiora, Behemoth Beckoner
6.6%inclusion37 decks562 decks
1%synergy
Utility Lands
Reliquary Tower
50%inclusion282 decks562 decks
-0%synergy
Temple of the False God
24%inclusion134 decks562 decks
8%synergy
Rogue's Passage
20%inclusion114 decks562 decks
-3%synergy
Mosswort Bridge
19%inclusion109 decks562 decks
2%synergy
Mystic Sanctuary
11%inclusion64 decks562 decks
-1%synergy
Yavimaya, Cradle of Growth
10%inclusion57 decks562 decks
-10%synergy
Castle Garenbrig
8.7%inclusion49 decks562 decks
5%synergy
Three Tree City
8.5%inclusion48 decks562 decks
4%synergy
Lumbering Falls
8.4%inclusion47 decks562 decks
3%synergy
Alchemist's Refuge
8.0%inclusion45 decks562 decks
-11%synergy
Command Beacon
8.0%inclusion45 decks562 decks
4%synergy
Restless Vinestalk
7.7%inclusion43 decks562 decks
3%synergy
Castle Vantress
7.5%inclusion42 decks562 decks
1%synergy
Evendo, Waking Haven
6.1%inclusion14 decks228 decks
1%synergy
Otawara, Soaring City
5.9%inclusion33 decks562 decks
-13%synergy
Boseiju, Who Endures
5.7%inclusion32 decks562 decks
-16%synergy
Mistrise Village
5.2%inclusion16 decks309 decks
-6%synergy
Mana Artifacts
Sol Ring
87%inclusion489 decks562 decks
7%synergy
Arcane Signet
73%inclusion410 decks562 decks
10%synergy
Simic Signet
45%inclusion251 decks562 decks
16%synergy
Thought Vessel
30%inclusion171 decks562 decks
10%synergy
Talisman of Curiosity
29%inclusion161 decks562 decks
7%synergy
Commander's Sphere
17%inclusion97 decks562 decks
11%synergy
Fellwar Stone
12%inclusion65 decks562 decks
2%synergy
Mind Stone
8.4%inclusion47 decks562 decks
4%synergy
Decanter of Endless Water
6.4%inclusion36 decks562 decks
2%synergy
Thran Dynamo
5.9%inclusion33 decks562 decks
3%synergy
Lands
Island
96%inclusion539 decks562 decks
0%synergy
Forest
96%inclusion539 decks562 decks
0%synergy
Command Tower
85%inclusion476 decks562 decks
-0%synergy
Hinterland Harbor
56%inclusion313 decks562 decks
-7%synergy
Simic Growth Chamber
54%inclusion304 decks562 decks
9%synergy
Yavimaya Coast
50%inclusion279 decks562 decks
-3%synergy
Temple of Mystery
44%inclusion247 decks562 decks
7%synergy
Vineglimmer Snarl
41%inclusion233 decks562 decks
2%synergy
Dreamroot Cascade
41%inclusion231 decks562 decks
-5%synergy
Flooded Grove
40%inclusion227 decks562 decks
-3%synergy
Evolving Wilds
34%inclusion192 decks562 decks
10%synergy
Rejuvenating Springs
32%inclusion180 decks562 decks
-11%synergy
Thornwood Falls
31%inclusion177 decks562 decks
15%synergy
Myriad Landscape
31%inclusion175 decks562 decks
11%synergy
Breeding Pool
26%inclusion148 decks562 decks
-22%synergy
Tangled Islet
26%inclusion148 decks562 decks
11%synergy
Exotic Orchard
26%inclusion147 decks562 decks
1%synergy
Terramorphic Expanse
24%inclusion137 decks562 decks
4%synergy
Rimewood Falls
20%inclusion110 decks562 decks
12%synergy
Overflowing Basin
19%inclusion108 decks562 decks
-3%synergy
Barkchannel Pathway
19%inclusion106 decks562 decks
-1%synergy
Simic Guildgate
18%inclusion102 decks562 decks
9%synergy
Sodden Verdure
17%inclusion25 decks148 decks
-6%synergy
Waterlogged Grove
14%inclusion78 decks562 decks
-5%synergy
Path of Ancestry
14%inclusion76 decks562 decks
-4%synergy
Misty Rainforest
13%inclusion74 decks562 decks
-18%synergy
Hedge Maze
12%inclusion68 decks562 decks
-7%synergy
Blighted Woodland
11%inclusion64 decks562 decks
5%synergy
Willowrush Verge
11%inclusion41 decks371 decks
-8%synergy
Fabled Passage
11%inclusion62 decks562 decks
-7%synergy
Botanical Sanctum
10%inclusion56 decks562 decks
-3%synergy
Littjara Mirrorlake
9.3%inclusion52 decks562 decks
6%synergy
Woodland Stream
8.4%inclusion47 decks562 decks
4%synergy
Quandrix Campus
8.0%inclusion45 decks562 decks
1%synergy
Bala Ged Recovery
7.8%inclusion44 decks562 decks
-2%synergy
Snow-Covered Forest
7.5%inclusion42 decks562 decks
2%synergy
Snow-Covered Island
7.3%inclusion41 decks562 decks
2%synergy
Glasspool Mimic
7.3%inclusion41 decks562 decks
3%synergy
Rain-Slicked Copse
6.8%inclusion10 decks148 decks
-3%synergy
Sink into Stupor
6.4%inclusion36 decks562 decks
-6%synergy
Lush Oasis
6.2%inclusion35 decks562 decks
1%synergy
Paradox Gardens
5.9%inclusion6 decks102 decks
-1%synergy
Turbulent Wilderness
5.9%inclusion6 decks102 decks
-11%synergy
Bridgeworks Battle
5.3%inclusion30 decks562 decks
1%synergy
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