Koma, Cosmos Serpent (Commander) - Optimized

Alternate Names:

The Monstrous SerpentThe Monstrous Serpent

Koma, Cosmos Serpent
Rank #342
420decks
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
8.0%inclusion8 decks100 decks
4%synergy
Radagast of Rhosgobel
5.1%inclusion2 decks39 decks
3%synergy
Multiversal Recruitment
4.3%inclusion4 decks94 decks
3%synergy
Mole Man, Moloid Master
4.0%inclusion4 decks99 decks
2%synergy
Multiversal Incursion
3.0%inclusion3 decks100 decks
2%synergy
High Synergy Cards
Adrix and Nev, Twincasters
83%inclusion347 decks420 decks
74%synergy
Parallel Lives
73%inclusion305 decks420 decks
67%synergy
Elemental Bond
72%inclusion301 decks420 decks
66%synergy
Spark Double
73%inclusion305 decks420 decks
64%synergy
Sakashima of a Thousand Faces
68%inclusion287 decks420 decks
63%synergy
Whelming Wave
69%inclusion289 decks420 decks
58%synergy
Doubling Season
63%inclusion266 decks420 decks
52%synergy
Serpent of Yawning Depths
57%inclusion239 decks420 decks
51%synergy
Koma, World-Eater
60%inclusion252 decks418 decks
48%synergy
Sakashima the Impostor
50%inclusion211 decks420 decks
48%synergy
Top Cards
Counterspell
75%inclusion317 decks420 decks
27%synergy
Cultivate
71%inclusion300 decks420 decks
26%synergy
Kodama's Reach
65%inclusion275 decks420 decks
32%synergy
Heroic Intervention
64%inclusion270 decks420 decks
34%synergy
Nature's Lore
64%inclusion270 decks420 decks
31%synergy
Birds of Paradise
62%inclusion260 decks420 decks
34%synergy
Mana Drain
62%inclusion259 decks420 decks
47%synergy
Three Visits
60%inclusion254 decks420 decks
35%synergy
Rampant Growth
60%inclusion253 decks420 decks
21%synergy
Beast Within
59%inclusion248 decks420 decks
11%synergy
Game Changers
Cyclonic Rift
78%inclusion328 decks420 decks
55%synergy
Rhystic Study
71%inclusion299 decks420 decks
52%synergy
Fierce Guardianship
67%inclusion283 decks420 decks
51%synergy
Worldly Tutor
50%inclusion208 decks420 decks
36%synergy
Seedborn Muse
46%inclusion194 decks420 decks
30%synergy
Mystical Tutor
42%inclusion175 decks420 decks
34%synergy
Force of Will
38%inclusion161 decks420 decks
29%synergy
Consecrated Sphinx
37%inclusion156 decks420 decks
29%synergy
Ancient Tomb
33%inclusion137 decks420 decks
24%synergy
Mana Vault
21%inclusion90 decks420 decks
15%synergy
Creatures
Aesi, Tyrant of Gyre Strait
53%inclusion222 decks420 decks
35%synergy
Craterhoof Behemoth
53%inclusion222 decks420 decks
42%synergy
Llanowar Elves
52%inclusion217 decks420 decks
23%synergy
Junk Winder
50%inclusion210 decks420 decks
44%synergy
Spawning Kraken
48%inclusion203 decks420 decks
42%synergy
Elvish Mystic
43%inclusion180 decks420 decks
20%synergy
Roaming Throne
36%inclusion153 decks420 decks
29%synergy
Ohran Frostfang
35%inclusion148 decks420 decks
31%synergy
Arixmethes, Slumbering Isle
30%inclusion127 decks420 decks
17%synergy
Eternal Witness
30%inclusion126 decks420 decks
12%synergy
Sakura-Tribe Elder
30%inclusion124 decks420 decks
11%synergy
Hullbreaker Horror
29%inclusion122 decks420 decks
12%synergy
Tatyova, Benthic Druid
29%inclusion120 decks420 decks
-1%synergy
Fyndhorn Elves
27%inclusion113 decks420 decks
13%synergy
Enduring Vitality
26%inclusion109 decks420 decks
18%synergy
Murkfiend Liege
24%inclusion102 decks420 decks
11%synergy
Garruk's Packleader
23%inclusion98 decks420 decks
21%synergy
Archetype of Imagination
21%inclusion87 decks420 decks
17%synergy
Summon: Leviathan
21%inclusion72 decks349 decks
14%synergy
Delighted Halfling
20%inclusion83 decks420 decks
9%synergy
Fanatic of Rhonas
20%inclusion82 decks420 decks
14%synergy
Azusa, Lost but Seeking
17%inclusion72 decks420 decks
4%synergy
Esix, Fractal Bloom
15%inclusion64 decks420 decks
12%synergy
Slinn Voda, the Rising Deep
14%inclusion59 decks420 decks
8%synergy
Octomancer
13%inclusion54 decks420 decks
8%synergy
Scute Swarm
13%inclusion54 decks420 decks
-5%synergy
Toski, Bearer of Secrets
13%inclusion53 decks420 decks
9%synergy
Nezahal, Primal Tide
12%inclusion50 decks420 decks
2%synergy
Kinnan, Bonder Prodigy
12%inclusion49 decks420 decks
8%synergy
The Unagi of Kyoshi Island
11%inclusion29 decks255 decks
6%synergy
Coiling Oracle
10%inclusion44 decks420 decks
-1%synergy
Lotus Cobra
10%inclusion44 decks420 decks
-1%synergy
Tireless Provisioner
10%inclusion44 decks420 decks
-3%synergy
Curiosity Crafter
10%inclusion42 decks420 decks
6%synergy
Saryth, the Viper's Fang
10%inclusion41 decks420 decks
8%synergy
Reclamation Sage
10%inclusion40 decks420 decks
-3%synergy
Circle of Dreams Druid
10%inclusion40 decks420 decks
7%synergy
Uro, Titan of Nature's Wrath
9.3%inclusion39 decks420 decks
0%synergy
Chameleon, Master of Disguise
9.2%inclusion26 decks282 decks
7%synergy
Glasspool Mimic
9.0%inclusion38 decks420 decks
5%synergy
Vorinclex, Voice of Hunger
9.0%inclusion38 decks420 decks
6%synergy
Xolatoyac, the Smiling Flood
8.6%inclusion36 decks420 decks
2%synergy
Avenger of Zendikar
8.3%inclusion35 decks420 decks
-8%synergy
Enduring Curiosity
7.9%inclusion33 decks420 decks
5%synergy
Faerie Mastermind
7.9%inclusion33 decks420 decks
2%synergy
Starwinder
7.8%inclusion24 decks306 decks
2%synergy
Bloom Tender
7.6%inclusion32 decks420 decks
3%synergy
Scourge of Fleets
7.6%inclusion32 decks420 decks
0%synergy
Hydroelectric Specimen
7.1%inclusion30 decks420 decks
1%synergy
Badgermole Cub
7.0%inclusion18 decks257 decks
2%synergy
Instants
Swan Song
54%inclusion228 decks420 decks
35%synergy
Growth Spiral
46%inclusion194 decks420 decks
2%synergy
Pongify
44%inclusion185 decks420 decks
19%synergy
An Offer You Can't Refuse
41%inclusion172 decks420 decks
17%synergy
Double Major
38%inclusion161 decks420 decks
30%synergy
Arcane Denial
35%inclusion149 decks420 decks
13%synergy
Second Harvest
35%inclusion146 decks420 decks
28%synergy
Rapid Hybridization
34%inclusion141 decks420 decks
6%synergy
Negate
34%inclusion141 decks420 decks
9%synergy
Force of Negation
30%inclusion128 decks420 decks
23%synergy
Return of the Wildspeaker
24%inclusion100 decks420 decks
14%synergy
Pact of Negation
21%inclusion88 decks420 decks
15%synergy
Chord of Calling
17%inclusion72 decks420 decks
10%synergy
Sink into Stupor
17%inclusion71 decks420 decks
5%synergy
Krosan Grip
15%inclusion64 decks420 decks
9%synergy
Nature's Claim
15%inclusion61 decks420 decks
6%synergy
Reality Shift
15%inclusion61 decks420 decks
1%synergy
Voidslime
13%inclusion55 decks420 decks
8%synergy
Brainstorm
13%inclusion54 decks420 decks
-2%synergy
Crop Rotation
12%inclusion52 decks420 decks
1%synergy
Tamiyo's Safekeeping
12%inclusion51 decks420 decks
7%synergy
Force of Vigor
12%inclusion50 decks420 decks
8%synergy
Harrow
12%inclusion50 decks420 decks
0%synergy
Mystic Reflection
11%inclusion46 decks420 decks
9%synergy
Planar Genesis
11%inclusion46 decks420 decks
-0%synergy
Simic Charm
11%inclusion46 decks420 decks
4%synergy
Archdruid's Charm
11%inclusion45 decks420 decks
5%synergy
Noxious Revival
10%inclusion44 decks420 decks
5%synergy
Stubborn Denial
10%inclusion41 decks420 decks
7%synergy
Strix Serenade
8.6%inclusion36 decks420 decks
6%synergy
Resculpt
8.6%inclusion36 decks420 decks
4%synergy
Snakeskin Veil
8.1%inclusion34 decks420 decks
2%synergy
Narset's Reversal
8.1%inclusion34 decks420 decks
6%synergy
Veil of Summer
7.9%inclusion33 decks420 decks
2%synergy
Muddle the Mixture
6.9%inclusion29 decks420 decks
3%synergy
Harmonized Crescendo
6.8%inclusion15 decks222 decks
4%synergy
Return to Nature
6.7%inclusion28 decks420 decks
2%synergy
Disallow
6.7%inclusion28 decks420 decks
5%synergy
Entish Restoration
6.0%inclusion25 decks420 decks
-3%synergy
Flusterstorm
6.0%inclusion25 decks420 decks
-0%synergy
Plasm Capture
5.7%inclusion24 decks420 decks
3%synergy
Aetherize
5.7%inclusion24 decks420 decks
-7%synergy
Collective Resistance
5.7%inclusion24 decks420 decks
2%synergy
Dispel
5.2%inclusion22 decks420 decks
1%synergy
Eureka Moment
5.0%inclusion21 decks420 decks
-7%synergy
Legolas's Quick Reflexes
5.0%inclusion21 decks420 decks
3%synergy
Sorceries
Farseek
53%inclusion222 decks420 decks
26%synergy
Irenicus's Vile Duplication
46%inclusion195 decks420 decks
41%synergy
Skyshroud Claim
42%inclusion177 decks420 decks
33%synergy
Finale of Devastation
30%inclusion127 decks420 decks
19%synergy
Quantum Misalignment
21%inclusion89 decks420 decks
18%synergy
Overwhelming Stampede
20%inclusion84 decks420 decks
7%synergy
Triumph of the Hordes
18%inclusion77 decks420 decks
15%synergy
Explore
16%inclusion68 decks420 decks
-4%synergy
Bala Ged Recovery
15%inclusion65 decks420 decks
6%synergy
Green Sun's Zenith
14%inclusion59 decks420 decks
6%synergy
Rite of Replication
13%inclusion55 decks420 decks
6%synergy
Sea Gate Restoration
13%inclusion53 decks420 decks
7%synergy
Rishkar's Expertise
12%inclusion51 decks420 decks
3%synergy
Migration Path
11%inclusion46 decks420 decks
8%synergy
Distant Melody
9.3%inclusion39 decks420 decks
6%synergy
Shamanic Revelation
8.8%inclusion37 decks420 decks
4%synergy
Ponder
8.6%inclusion36 decks420 decks
1%synergy
Regrowth
7.9%inclusion33 decks420 decks
5%synergy
Explosive Vegetation
7.4%inclusion31 decks420 decks
2%synergy
Shared Roots
6.7%inclusion17 decks254 decks
1%synergy
Raise the Palisade
6.7%inclusion28 decks420 decks
1%synergy
Natural Order
6.2%inclusion26 decks420 decks
5%synergy
Fabricate
6.0%inclusion25 decks420 decks
0%synergy
Windfall
5.7%inclusion24 decks420 decks
2%synergy
Harmonize
5.7%inclusion24 decks420 decks
1%synergy
Bridgeworks Battle
5.7%inclusion24 decks420 decks
1%synergy
Flare of Cultivation
5.5%inclusion23 decks420 decks
4%synergy
Curse of the Swine
5.5%inclusion23 decks420 decks
-6%synergy
Doppelgang
5.2%inclusion22 decks420 decks
-2%synergy
Urban Evolution
5.0%inclusion21 decks420 decks
-4%synergy
Time Warp
5.0%inclusion21 decks420 decks
3%synergy
Utility Artifacts
Lightning Greaves
48%inclusion203 decks420 decks
28%synergy
Helm of the Host
42%inclusion177 decks420 decks
37%synergy
Swiftfoot Boots
40%inclusion170 decks420 decks
16%synergy
The One Ring
20%inclusion82 decks420 decks
13%synergy
Combine Chrysalis
19%inclusion78 decks420 decks
14%synergy
The Great Henge
17%inclusion70 decks420 decks
7%synergy
Emerald Medallion
15%inclusion61 decks420 decks
11%synergy
Mirror Box
14%inclusion58 decks420 decks
11%synergy
Sapphire Medallion
11%inclusion47 decks420 decks
8%synergy
Eldrazi Monument
10%inclusion40 decks420 decks
9%synergy
Coat of Arms
7.4%inclusion31 decks420 decks
6%synergy
Winter Orb
6.4%inclusion27 decks420 decks
6%synergy
Static Orb
6.0%inclusion25 decks420 decks
6%synergy
Banner of Kinship
5.5%inclusion23 decks418 decks
4%synergy
Idol of Oblivion
5.5%inclusion23 decks420 decks
2%synergy
Enchantments
Tribute to the World Tree
50%inclusion212 decks420 decks
45%synergy
Mystic Remora
45%inclusion189 decks420 decks
31%synergy
Kindred Discovery
39%inclusion164 decks420 decks
30%synergy
Sylvan Library
30%inclusion127 decks420 decks
22%synergy
Exploration
23%inclusion95 decks420 decks
10%synergy
Cryptolith Rite
21%inclusion88 decks420 decks
17%synergy
Growing Rites of Itlimoc
21%inclusion87 decks420 decks
15%synergy
Primal Vigor
16%inclusion69 decks420 decks
13%synergy
Wild Growth
15%inclusion65 decks420 decks
7%synergy
Utopia Sprawl
15%inclusion62 decks420 decks
8%synergy
Garruk's Uprising
15%inclusion61 decks420 decks
-3%synergy
Defense of the Heart
14%inclusion59 decks420 decks
12%synergy
Propaganda
11%inclusion48 decks420 decks
5%synergy
Burgeoning
11%inclusion47 decks420 decks
4%synergy
Unnatural Growth
10%inclusion42 decks420 decks
7%synergy
Carpet of Flowers
10%inclusion40 decks420 decks
7%synergy
Paradox Haze
10%inclusion40 decks420 decks
9%synergy
Beastmaster Ascension
9.0%inclusion38 decks420 decks
6%synergy
Wilderness Reclamation
8.3%inclusion35 decks420 decks
-1%synergy
Springleaf Parade
8.1%inclusion18 decks222 decks
5%synergy
Omniscience
7.1%inclusion30 decks420 decks
2%synergy
Extravagant Replication
6.4%inclusion27 decks420 decks
4%synergy
Imprisoned in the Moon
6.2%inclusion26 decks420 decks
2%synergy
Asceticism
6.2%inclusion26 decks420 decks
3%synergy
Kenrith's Transformation
6.2%inclusion26 decks420 decks
3%synergy
Opposition
6.2%inclusion26 decks420 decks
6%synergy
Impostor Syndrome
6.0%inclusion17 decks283 decks
5%synergy
Dismiss into Dream
5.5%inclusion23 decks420 decks
5%synergy
Planeswalkers
Oko, Thief of Crowns
33%inclusion139 decks420 decks
27%synergy
Utility Lands
Reliquary Tower
64%inclusion270 decks420 decks
14%synergy
Boseiju, Who Endures
46%inclusion194 decks420 decks
24%synergy
Otawara, Soaring City
38%inclusion161 decks420 decks
20%synergy
Yavimaya, Cradle of Growth
35%inclusion147 decks420 decks
14%synergy
Command Beacon
26%inclusion111 decks420 decks
23%synergy
Three Tree City
25%inclusion103 decks420 decks
20%synergy
Gaea's Cradle
21%inclusion89 decks420 decks
15%synergy
Mistrise Village
18%inclusion68 decks384 decks
7%synergy
Alchemist's Refuge
16%inclusion68 decks420 decks
-3%synergy
Mystic Sanctuary
16%inclusion66 decks420 decks
4%synergy
Evendo, Waking Haven
16%inclusion48 decks308 decks
10%synergy
Castle Garenbrig
15%inclusion64 decks420 decks
11%synergy
Temple of the False God
14%inclusion59 decks420 decks
-2%synergy
Mosswort Bridge
12%inclusion52 decks420 decks
-5%synergy
Rogue's Passage
12%inclusion49 decks420 decks
-12%synergy
Urza's Saga
7.1%inclusion30 decks420 decks
2%synergy
Minamo, School at Water's Edge
6.7%inclusion28 decks420 decks
1%synergy
Shifting Woodland
6.0%inclusion25 decks420 decks
0%synergy
Field of the Dead
5.7%inclusion24 decks420 decks
1%synergy
Mana Artifacts
Sol Ring
95%inclusion399 decks420 decks
15%synergy
Arcane Signet
82%inclusion345 decks420 decks
19%synergy
Thought Vessel
42%inclusion177 decks420 decks
22%synergy
Talisman of Curiosity
35%inclusion146 decks420 decks
13%synergy
Simic Signet
34%inclusion141 decks420 decks
5%synergy
Chrome Mox
14%inclusion57 decks420 decks
8%synergy
Fellwar Stone
12%inclusion50 decks420 decks
2%synergy
Lotus Petal
9.0%inclusion38 decks420 decks
3%synergy
Mox Diamond
6.9%inclusion29 decks420 decks
2%synergy
Thran Dynamo
6.0%inclusion25 decks420 decks
3%synergy
Commander's Sphere
5.5%inclusion23 decks420 decks
-1%synergy
Basalt Monolith
5.2%inclusion22 decks420 decks
-1%synergy
Lands
Forest
94%inclusion394 decks420 decks
-2%synergy
Island
94%inclusion393 decks420 decks
-2%synergy
Command Tower
93%inclusion391 decks420 decks
8%synergy
Breeding Pool
77%inclusion324 decks420 decks
29%synergy
Hinterland Harbor
70%inclusion294 decks420 decks
8%synergy
Rejuvenating Springs
70%inclusion293 decks420 decks
27%synergy
Misty Rainforest
61%inclusion255 decks420 decks
30%synergy
Yavimaya Coast
59%inclusion247 decks420 decks
6%synergy
Dreamroot Cascade
57%inclusion241 decks420 decks
11%synergy
Barkchannel Pathway
47%inclusion198 decks420 decks
28%synergy
Flooded Grove
43%inclusion182 decks420 decks
-0%synergy
Simic Growth Chamber
41%inclusion173 decks420 decks
-4%synergy
Waterlogged Grove
30%inclusion128 decks420 decks
11%synergy
Vineglimmer Snarl
29%inclusion121 decks420 decks
-11%synergy
Hedge Maze
29%inclusion120 decks420 decks
9%synergy
Tropical Island
28%inclusion117 decks420 decks
13%synergy
Temple of Mystery
26%inclusion110 decks420 decks
-11%synergy
Fabled Passage
26%inclusion108 decks420 decks
8%synergy
Willowrush Verge
25%inclusion104 decks417 decks
6%synergy
Exotic Orchard
22%inclusion94 decks420 decks
-3%synergy
Prismatic Vista
20%inclusion86 decks420 decks
13%synergy
Myriad Landscape
17%inclusion71 decks420 decks
-3%synergy
Sink into Stupor
17%inclusion71 decks420 decks
5%synergy
Flooded Strand
17%inclusion70 decks420 decks
6%synergy
Botanical Sanctum
16%inclusion66 decks420 decks
3%synergy
Bala Ged Recovery
15%inclusion65 decks420 decks
6%synergy
Windswept Heath
15%inclusion63 decks420 decks
5%synergy
Verdant Catacombs
14%inclusion59 decks420 decks
5%synergy
Scalding Tarn
14%inclusion59 decks420 decks
5%synergy
Polluted Delta
14%inclusion59 decks420 decks
4%synergy
Rimewood Falls
13%inclusion56 decks420 decks
6%synergy
Evolving Wilds
13%inclusion56 decks420 decks
-11%synergy
Wooded Foothills
13%inclusion55 decks420 decks
4%synergy
Sodden Verdure
13%inclusion29 decks222 decks
-10%synergy
Sea Gate Restoration
13%inclusion53 decks420 decks
7%synergy
Thornwood Falls
12%inclusion52 decks420 decks
-4%synergy
Overflowing Basin
12%inclusion50 decks420 decks
-10%synergy
Turbulent Wilderness
11%inclusion17 decks150 decks
-5%synergy
Snow-Covered Island
11%inclusion45 decks420 decks
5%synergy
Snow-Covered Forest
11%inclusion45 decks420 decks
5%synergy
Terramorphic Expanse
10%inclusion43 decks420 decks
-10%synergy
Tangled Islet
10%inclusion43 decks420 decks
-5%synergy
Mana Confluence
10%inclusion41 decks420 decks
4%synergy
Reflecting Pool
9.3%inclusion39 decks420 decks
6%synergy
Glasspool Mimic
9.0%inclusion38 decks420 decks
5%synergy
City of Brass
8.6%inclusion36 decks420 decks
3%synergy
Path of Ancestry
7.9%inclusion33 decks420 decks
-10%synergy
Hydroelectric Specimen
7.1%inclusion30 decks420 decks
1%synergy
Gemstone Caverns
6.9%inclusion29 decks420 decks
1%synergy
Blighted Woodland
6.2%inclusion26 decks420 decks
-0%synergy
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