Koma, Cosmos Serpent (Commander) - Core

Alternate Names:

The Monstrous SerpentThe Monstrous Serpent

Koma, Cosmos Serpent
Rank #341
571decks
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
7.5%inclusion4 decks53 decks
4%synergy
Pym Technologies
4.0%inclusion2 decks50 decks
2%synergy
We Say Thee Nay!
4.0%inclusion2 decks50 decks
3%synergy
Claim the Kingdom
2.0%inclusion1 decks50 decks
1%synergy
Mole Man, Moloid Master
2.0%inclusion1 decks50 decks
0%synergy
High Synergy Cards
Whelming Wave
73%inclusion417 decks571 decks
63%synergy
Adrix and Nev, Twincasters
66%inclusion378 decks571 decks
57%synergy
Junk Winder
62%inclusion352 decks571 decks
55%synergy
Koma, World-Eater
65%inclusion308 decks476 decks
53%synergy
Elemental Bond
57%inclusion328 decks571 decks
52%synergy
Irenicus's Vile Duplication
47%inclusion268 decks571 decks
41%synergy
Serpent of Yawning Depths
43%inclusion247 decks571 decks
37%synergy
Kodama's Reach
71%inclusion404 decks571 decks
37%synergy
Arixmethes, Slumbering Isle
49%inclusion278 decks571 decks
36%synergy
Spark Double
44%inclusion250 decks571 decks
35%synergy
Top Cards
Cultivate
80%inclusion454 decks571 decks
34%synergy
Rampant Growth
71%inclusion404 decks571 decks
31%synergy
Counterspell
67%inclusion383 decks571 decks
18%synergy
Growth Spiral
64%inclusion368 decks571 decks
20%synergy
Beast Within
58%inclusion330 decks571 decks
9%synergy
Negate
54%inclusion307 decks571 decks
29%synergy
Aesi, Tyrant of Gyre Strait
50%inclusion283 decks571 decks
32%synergy
Tatyova, Benthic Druid
47%inclusion269 decks571 decks
18%synergy
Nature's Lore
47%inclusion266 decks571 decks
14%synergy
Farseek
46%inclusion260 decks571 decks
19%synergy
Game Changers
Seedborn Muse
10%inclusion57 decks571 decks
-6%synergy
Creatures
Llanowar Elves
44%inclusion254 decks571 decks
17%synergy
Sakura-Tribe Elder
43%inclusion245 decks571 decks
25%synergy
Murkfiend Liege
42%inclusion237 decks571 decks
28%synergy
Spawning Kraken
38%inclusion219 decks571 decks
32%synergy
Garruk's Packleader
37%inclusion211 decks571 decks
35%synergy
Elvish Mystic
35%inclusion200 decks571 decks
12%synergy
Slinn Voda, the Rising Deep
34%inclusion196 decks571 decks
28%synergy
Hullbreaker Horror
32%inclusion182 decks571 decks
15%synergy
Coiling Oracle
32%inclusion181 decks571 decks
20%synergy
Esix, Fractal Bloom
28%inclusion158 decks571 decks
24%synergy
Eternal Witness
26%inclusion151 decks571 decks
8%synergy
Summon: Leviathan
26%inclusion69 decks263 decks
19%synergy
Octomancer
26%inclusion148 decks571 decks
21%synergy
Archetype of Imagination
26%inclusion147 decks571 decks
22%synergy
Sakashima of a Thousand Faces
25%inclusion145 decks571 decks
20%synergy
Ohran Frostfang
24%inclusion138 decks571 decks
20%synergy
Sakashima the Impostor
24%inclusion136 decks571 decks
21%synergy
Scourge of Fleets
23%inclusion133 decks571 decks
16%synergy
Birds of Paradise
23%inclusion132 decks571 decks
-5%synergy
Fyndhorn Elves
23%inclusion131 decks571 decks
9%synergy
Nadir Kraken
21%inclusion119 decks571 decks
17%synergy
Reclamation Sage
19%inclusion111 decks571 decks
7%synergy
Xolatoyac, the Smiling Flood
18%inclusion105 decks571 decks
12%synergy
Enduring Vitality
18%inclusion100 decks547 decks
10%synergy
Avenger of Zendikar
16%inclusion94 decks571 decks
0%synergy
Rampaging Baloths
16%inclusion93 decks571 decks
1%synergy
Curiosity Crafter
16%inclusion92 decks571 decks
12%synergy
Scute Swarm
16%inclusion90 decks571 decks
-2%synergy
Stormtide Leviathan
15%inclusion86 decks571 decks
10%synergy
Nezahal, Primal Tide
15%inclusion86 decks571 decks
5%synergy
Troyan, Gutsy Explorer
14%inclusion81 decks571 decks
10%synergy
The Unagi of Kyoshi Island
14%inclusion23 decks169 decks
8%synergy
Inga and Esika
13%inclusion77 decks571 decks
11%synergy
Fanatic of Rhonas
13%inclusion77 decks571 decks
8%synergy
Craterhoof Behemoth
13%inclusion74 decks571 decks
3%synergy
Reef Worm
12%inclusion70 decks571 decks
9%synergy
Kiora, Sovereign of the Deep
12%inclusion69 decks571 decks
10%synergy
Starwinder
12%inclusion26 decks218 decks
6%synergy
Saryth, the Viper's Fang
12%inclusion67 decks571 decks
10%synergy
Roaming Throne
11%inclusion64 decks571 decks
4%synergy
Tromokratis
11%inclusion64 decks571 decks
6%synergy
Toski, Bearer of Secrets
11%inclusion64 decks571 decks
8%synergy
Studious First-Year
11%inclusion10 decks92 decks
6%synergy
Tireless Provisioner
11%inclusion60 decks571 decks
-3%synergy
Lotus Cobra
9.5%inclusion54 decks571 decks
-2%synergy
Uro, Titan of Nature's Wrath
9.3%inclusion53 decks571 decks
0%synergy
Enduring Curiosity
9.2%inclusion51 decks552 decks
6%synergy
Progenitor Mimic
8.9%inclusion51 decks571 decks
5%synergy
Chameleon, Master of Disguise
8.8%inclusion17 decks193 decks
7%synergy
Hydroid Krasis
8.2%inclusion47 decks571 decks
-2%synergy
Instants
Double Major
42%inclusion238 decks571 decks
34%synergy
Second Harvest
37%inclusion211 decks571 decks
31%synergy
Return of the Wildspeaker
35%inclusion201 decks571 decks
25%synergy
Arcane Denial
34%inclusion193 decks571 decks
12%synergy
Heroic Intervention
31%inclusion179 decks571 decks
1%synergy
Pongify
30%inclusion173 decks571 decks
6%synergy
Rapid Hybridization
29%inclusion164 decks571 decks
1%synergy
An Offer You Can't Refuse
28%inclusion160 decks571 decks
4%synergy
Simic Charm
25%inclusion143 decks571 decks
18%synergy
Reality Shift
22%inclusion126 decks571 decks
8%synergy
Planar Genesis
22%inclusion123 decks571 decks
11%synergy
Krosan Grip
21%inclusion121 decks571 decks
15%synergy
Eureka Moment
21%inclusion118 decks571 decks
9%synergy
Snakeskin Veil
19%inclusion108 decks571 decks
13%synergy
Harrow
17%inclusion99 decks571 decks
6%synergy
Aetherize
17%inclusion98 decks571 decks
5%synergy
Brainstorm
16%inclusion90 decks571 decks
1%synergy
Nature's Claim
15%inclusion88 decks571 decks
7%synergy
Return to Nature
15%inclusion86 decks571 decks
10%synergy
Voidslime
13%inclusion75 decks571 decks
8%synergy
Tamiyo's Safekeeping
13%inclusion74 decks571 decks
8%synergy
Decisive Denial
12%inclusion66 decks571 decks
5%synergy
Plasm Capture
11%inclusion65 decks571 decks
8%synergy
Perplexing Test
11%inclusion64 decks571 decks
6%synergy
Entish Restoration
11%inclusion63 decks571 decks
2%synergy
Swan Song
10%inclusion55 decks571 decks
-9%synergy
Mystic Reflection
8.9%inclusion51 decks571 decks
7%synergy
Saw It Coming
8.4%inclusion48 decks571 decks
7%synergy
Stubborn Denial
7.9%inclusion45 decks571 decks
5%synergy
Collective Resistance
7.9%inclusion45 decks571 decks
4%synergy
Resculpt
7.7%inclusion44 decks571 decks
3%synergy
Joint Exploration
7.7%inclusion44 decks571 decks
3%synergy
Disdainful Stroke
7.0%inclusion40 decks571 decks
5%synergy
Mana Drain
7.0%inclusion40 decks571 decks
-8%synergy
Tyvar's Stand
6.3%inclusion36 decks571 decks
2%synergy
Sink into Stupor
6.3%inclusion36 decks571 decks
-6%synergy
Archdruid's Charm
6.1%inclusion35 decks571 decks
1%synergy
Sublime Epiphany
5.8%inclusion33 decks571 decks
3%synergy
Dispel
5.8%inclusion33 decks571 decks
2%synergy
Fact or Fiction
5.6%inclusion32 decks571 decks
3%synergy
Quandrix Charm
5.4%inclusion5 decks92 decks
-3%synergy
Mana Leak
5.4%inclusion31 decks571 decks
3%synergy
Opt
5.1%inclusion29 decks571 decks
-2%synergy
Cancel
5.1%inclusion29 decks571 decks
3%synergy
Sorceries
Explore
36%inclusion208 decks571 decks
16%synergy
Three Visits
33%inclusion187 decks571 decks
7%synergy
Skyshroud Claim
32%inclusion180 decks571 decks
22%synergy
Overwhelming Stampede
27%inclusion153 decks571 decks
14%synergy
Urban Evolution
24%inclusion136 decks571 decks
15%synergy
Shamanic Revelation
22%inclusion125 decks571 decks
17%synergy
Migration Path
20%inclusion115 decks571 decks
17%synergy
Quantum Misalignment
20%inclusion112 decks571 decks
17%synergy
Rite of Replication
17%inclusion98 decks571 decks
10%synergy
Explosive Vegetation
16%inclusion93 decks571 decks
10%synergy
Rishkar's Expertise
15%inclusion84 decks571 decks
5%synergy
Harmonize
14%inclusion82 decks571 decks
9%synergy
Search for Tomorrow
14%inclusion82 decks571 decks
10%synergy
Curse of the Swine
13%inclusion76 decks571 decks
2%synergy
Shared Roots
12%inclusion20 decks166 decks
6%synergy
Distant Melody
12%inclusion66 decks571 decks
8%synergy
Ezuri's Predation
10%inclusion57 decks571 decks
3%synergy
Ravenform
8.6%inclusion49 decks571 decks
5%synergy
Doppelgang
8.1%inclusion46 decks571 decks
1%synergy
Bala Ged Recovery
8.1%inclusion46 decks571 decks
-2%synergy
Echocasting Symposium
7.8%inclusion7 decks90 decks
4%synergy
Broken Bond
7.5%inclusion43 decks571 decks
3%synergy
Preposterous Proportions
7.2%inclusion34 decks471 decks
6%synergy
Preordain
7.2%inclusion41 decks571 decks
-1%synergy
Mind into Matter
6.7%inclusion6 decks90 decks
-2%synergy
Ponder
6.7%inclusion38 decks571 decks
-1%synergy
Triumph of the Hordes
6.7%inclusion38 decks571 decks
4%synergy
Spitting Image
6.1%inclusion35 decks571 decks
4%synergy
Finale of Revelation
6.0%inclusion34 decks571 decks
-0%synergy
Overrun
5.8%inclusion33 decks571 decks
4%synergy
Circuitous Route
5.8%inclusion33 decks571 decks
4%synergy
Regrowth
5.8%inclusion33 decks571 decks
2%synergy
Vastwood Surge
5.6%inclusion32 decks571 decks
5%synergy
Aggressive Biomancy
5.3%inclusion30 decks571 decks
1%synergy
Bridgeworks Battle
5.3%inclusion30 decks571 decks
0%synergy
Utility Artifacts
Swiftfoot Boots
44%inclusion249 decks571 decks
19%synergy
Helm of the Host
35%inclusion198 decks571 decks
30%synergy
Combine Chrysalis
32%inclusion182 decks571 decks
28%synergy
Lightning Greaves
28%inclusion158 decks571 decks
8%synergy
Idol of Oblivion
16%inclusion94 decks571 decks
13%synergy
Mirror Box
15%inclusion85 decks571 decks
12%synergy
Bident of Thassa
13%inclusion74 decks571 decks
6%synergy
Emerald Medallion
10%inclusion58 decks571 decks
7%synergy
Sapphire Medallion
8.1%inclusion46 decks571 decks
5%synergy
Eldrazi Monument
7.2%inclusion41 decks571 decks
7%synergy
Enchantments
Parallel Lives
31%inclusion178 decks571 decks
25%synergy
Doubling Season
31%inclusion175 decks571 decks
20%synergy
Tribute to the World Tree
29%inclusion163 decks571 decks
23%synergy
Garruk's Uprising
28%inclusion162 decks571 decks
11%synergy
Kindred Discovery
21%inclusion120 decks571 decks
12%synergy
Wild Growth
17%inclusion98 decks571 decks
8%synergy
Beastmaster Ascension
16%inclusion92 decks571 decks
13%synergy
Primal Vigor
15%inclusion88 decks571 decks
12%synergy
Growing Rites of Itlimoc
14%inclusion81 decks571 decks
9%synergy
Utopia Sprawl
13%inclusion77 decks571 decks
7%synergy
Wilderness Reclamation
12%inclusion71 decks571 decks
3%synergy
Propaganda
12%inclusion68 decks571 decks
5%synergy
Mystic Remora
12%inclusion67 decks571 decks
-2%synergy
Unnatural Growth
11%inclusion64 decks571 decks
8%synergy
Imprisoned in the Moon
11%inclusion62 decks571 decks
7%synergy
Ominous Seas
10%inclusion57 decks571 decks
6%synergy
Kenrith's Transformation
8.9%inclusion51 decks571 decks
5%synergy
Paradox Haze
8.9%inclusion51 decks571 decks
9%synergy
Extravagant Replication
8.8%inclusion50 decks571 decks
6%synergy
Khalni Heart Expedition
8.6%inclusion49 decks571 decks
5%synergy
Cryptolith Rite
8.4%inclusion48 decks571 decks
5%synergy
Exploration
7.0%inclusion40 decks571 decks
-6%synergy
Verity Circle
6.8%inclusion39 decks571 decks
6%synergy
Quest for Ula's Temple
5.1%inclusion29 decks571 decks
3%synergy
Asceticism
5.1%inclusion29 decks571 decks
2%synergy
Battles
Invasion of Segovia
6.0%inclusion34 decks571 decks
5%synergy
Invasion of Zendikar
5.8%inclusion33 decks571 decks
4%synergy
Planeswalkers
Oko, Thief of Crowns
12%inclusion71 decks571 decks
6%synergy
Kiora, the Crashing Wave
8.9%inclusion51 decks571 decks
6%synergy
Kiora, Behemoth Beckoner
7.4%inclusion42 decks571 decks
1%synergy
Utility Lands
Reliquary Tower
50%inclusion288 decks571 decks
0%synergy
Temple of the False God
24%inclusion137 decks571 decks
8%synergy
Rogue's Passage
20%inclusion115 decks571 decks
-3%synergy
Mosswort Bridge
20%inclusion112 decks571 decks
3%synergy
Mystic Sanctuary
11%inclusion65 decks571 decks
-1%synergy
Yavimaya, Cradle of Growth
10%inclusion57 decks571 decks
-11%synergy
Lumbering Falls
8.4%inclusion48 decks571 decks
3%synergy
Castle Garenbrig
8.4%inclusion48 decks571 decks
4%synergy
Alchemist's Refuge
8.2%inclusion47 decks571 decks
-11%synergy
Command Beacon
8.2%inclusion47 decks571 decks
5%synergy
Three Tree City
8.2%inclusion47 decks571 decks
3%synergy
Restless Vinestalk
7.7%inclusion44 decks571 decks
3%synergy
Castle Vantress
7.4%inclusion42 decks571 decks
1%synergy
Evendo, Waking Haven
6.3%inclusion14 decks221 decks
1%synergy
Otawara, Soaring City
5.8%inclusion33 decks571 decks
-13%synergy
Boseiju, Who Endures
5.6%inclusion32 decks571 decks
-16%synergy
Mana Artifacts
Sol Ring
87%inclusion495 decks571 decks
7%synergy
Arcane Signet
73%inclusion416 decks571 decks
10%synergy
Simic Signet
45%inclusion257 decks571 decks
16%synergy
Thought Vessel
31%inclusion177 decks571 decks
11%synergy
Talisman of Curiosity
28%inclusion160 decks571 decks
6%synergy
Commander's Sphere
17%inclusion97 decks571 decks
10%synergy
Fellwar Stone
12%inclusion67 decks571 decks
2%synergy
Mind Stone
8.1%inclusion46 decks571 decks
4%synergy
Decanter of Endless Water
6.5%inclusion37 decks571 decks
2%synergy
Thran Dynamo
6.3%inclusion36 decks571 decks
3%synergy
Lands
Island
96%inclusion548 decks571 decks
0%synergy
Forest
96%inclusion548 decks571 decks
0%synergy
Command Tower
84%inclusion481 decks571 decks
-1%synergy
Hinterland Harbor
55%inclusion316 decks571 decks
-7%synergy
Simic Growth Chamber
54%inclusion308 decks571 decks
8%synergy
Yavimaya Coast
49%inclusion282 decks571 decks
-3%synergy
Temple of Mystery
44%inclusion254 decks571 decks
7%synergy
Vineglimmer Snarl
42%inclusion238 decks571 decks
2%synergy
Dreamroot Cascade
41%inclusion232 decks571 decks
-5%synergy
Flooded Grove
40%inclusion228 decks571 decks
-4%synergy
Evolving Wilds
33%inclusion191 decks571 decks
9%synergy
Rejuvenating Springs
32%inclusion180 decks571 decks
-11%synergy
Thornwood Falls
32%inclusion180 decks571 decks
15%synergy
Myriad Landscape
31%inclusion179 decks571 decks
12%synergy
Tangled Islet
26%inclusion150 decks571 decks
11%synergy
Breeding Pool
26%inclusion148 decks571 decks
-22%synergy
Exotic Orchard
26%inclusion146 decks571 decks
0%synergy
Terramorphic Expanse
24%inclusion135 decks571 decks
4%synergy
Rimewood Falls
20%inclusion113 decks571 decks
12%synergy
Barkchannel Pathway
19%inclusion108 decks571 decks
-1%synergy
Overflowing Basin
19%inclusion108 decks571 decks
-3%synergy
Simic Guildgate
18%inclusion104 decks571 decks
9%synergy
Sodden Verdure
18%inclusion25 decks140 decks
-5%synergy
Waterlogged Grove
14%inclusion81 decks571 decks
-5%synergy
Misty Rainforest
13%inclusion76 decks571 decks
-18%synergy
Path of Ancestry
13%inclusion76 decks571 decks
-4%synergy
Hedge Maze
12%inclusion66 decks571 decks
-8%synergy
Blighted Woodland
11%inclusion63 decks571 decks
5%synergy
Willowrush Verge
11%inclusion40 decks365 decks
-8%synergy
Fabled Passage
11%inclusion61 decks571 decks
-7%synergy
Botanical Sanctum
10%inclusion57 decks571 decks
-3%synergy
Littjara Mirrorlake
10%inclusion55 decks571 decks
6%synergy
Woodland Stream
8.2%inclusion47 decks571 decks
4%synergy
Quandrix Campus
8.1%inclusion46 decks571 decks
1%synergy
Bala Ged Recovery
8.1%inclusion46 decks571 decks
-2%synergy
Snow-Covered Forest
7.4%inclusion42 decks571 decks
2%synergy
Glasspool Mimic
7.4%inclusion42 decks571 decks
3%synergy
Snow-Covered Island
7.2%inclusion41 decks571 decks
1%synergy
Rain-Slicked Copse
7.1%inclusion10 decks140 decks
-3%synergy
Paradox Gardens
6.5%inclusion6 decks92 decks
-1%synergy
Sink into Stupor
6.3%inclusion36 decks571 decks
-6%synergy
Lush Oasis
6.1%inclusion35 decks571 decks
1%synergy
Turbulent Wilderness
5.4%inclusion5 decks92 decks
-12%synergy
Bridgeworks Battle
5.3%inclusion30 decks571 decks
0%synergy
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