Koma, Cosmos Serpent (Commander) - Optimized

Alternate Names:

The Monstrous SerpentThe Monstrous Serpent

Koma, Cosmos Serpent
Rank #332
377decks
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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Utility Lands
Mana Artifacts
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Turbulent Wilderness
9.1%inclusion7 decks77 decks
-8%synergy
Echocasting Symposium
5.5%inclusion4 decks73 decks
2%synergy
Quandrix Charm
5.1%inclusion4 decks78 decks
-4%synergy
Studious First-Year
5.1%inclusion4 decks78 decks
0%synergy
Applied Geometry
4.1%inclusion3 decks73 decks
-1%synergy
High Synergy Cards
Adrix and Nev, Twincasters
82%inclusion308 decks377 decks
73%synergy
Parallel Lives
73%inclusion275 decks377 decks
67%synergy
Elemental Bond
72%inclusion270 decks377 decks
66%synergy
Sakashima of a Thousand Faces
68%inclusion257 decks377 decks
63%synergy
Spark Double
72%inclusion272 decks377 decks
63%synergy
Whelming Wave
70%inclusion264 decks377 decks
59%synergy
Doubling Season
63%inclusion238 decks377 decks
53%synergy
Serpent of Yawning Depths
57%inclusion215 decks377 decks
51%synergy
Sakashima the Impostor
52%inclusion197 decks377 decks
50%synergy
Mana Drain
63%inclusion238 decks377 decks
48%synergy
Top Cards
Counterspell
74%inclusion278 decks377 decks
25%synergy
Cultivate
72%inclusion273 decks377 decks
26%synergy
Kodama's Reach
65%inclusion246 decks377 decks
30%synergy
Heroic Intervention
64%inclusion241 decks377 decks
34%synergy
Birds of Paradise
62%inclusion234 decks377 decks
35%synergy
Nature's Lore
62%inclusion234 decks377 decks
30%synergy
Koma, World-Eater
60%inclusion224 decks374 decks
47%synergy
Beast Within
59%inclusion224 decks377 decks
11%synergy
Rampant Growth
59%inclusion224 decks377 decks
20%synergy
Three Visits
58%inclusion219 decks377 decks
33%synergy
Game Changers
Cyclonic Rift
78%inclusion295 decks377 decks
55%synergy
Rhystic Study
72%inclusion273 decks377 decks
53%synergy
Fierce Guardianship
68%inclusion255 decks377 decks
52%synergy
Worldly Tutor
48%inclusion180 decks377 decks
34%synergy
Seedborn Muse
45%inclusion169 decks377 decks
29%synergy
Mystical Tutor
40%inclusion152 decks377 decks
32%synergy
Force of Will
38%inclusion143 decks377 decks
29%synergy
Consecrated Sphinx
36%inclusion134 decks377 decks
27%synergy
Ancient Tomb
32%inclusion121 decks377 decks
24%synergy
Gaea's Cradle
21%inclusion80 decks377 decks
15%synergy
Creatures
Aesi, Tyrant of Gyre Strait
53%inclusion200 decks377 decks
35%synergy
Llanowar Elves
52%inclusion195 decks377 decks
24%synergy
Craterhoof Behemoth
51%inclusion194 decks377 decks
42%synergy
Junk Winder
49%inclusion186 decks377 decks
43%synergy
Spawning Kraken
48%inclusion181 decks377 decks
41%synergy
Elvish Mystic
44%inclusion164 decks377 decks
21%synergy
Roaming Throne
37%inclusion138 decks377 decks
29%synergy
Ohran Frostfang
35%inclusion132 decks377 decks
31%synergy
Arixmethes, Slumbering Isle
31%inclusion116 decks377 decks
18%synergy
Eternal Witness
30%inclusion114 decks377 decks
11%synergy
Tatyova, Benthic Druid
29%inclusion111 decks377 decks
0%synergy
Sakura-Tribe Elder
29%inclusion111 decks377 decks
11%synergy
Fyndhorn Elves
29%inclusion108 decks377 decks
15%synergy
Enduring Vitality
27%inclusion100 decks377 decks
19%synergy
Hullbreaker Horror
25%inclusion96 decks377 decks
8%synergy
Murkfiend Liege
25%inclusion95 decks377 decks
11%synergy
Garruk's Packleader
24%inclusion90 decks377 decks
22%synergy
Summon: Leviathan
21%inclusion64 decks304 decks
14%synergy
Fanatic of Rhonas
20%inclusion77 decks377 decks
15%synergy
Delighted Halfling
20%inclusion76 decks377 decks
9%synergy
Archetype of Imagination
20%inclusion75 decks377 decks
16%synergy
Azusa, Lost but Seeking
18%inclusion67 decks377 decks
4%synergy
Esix, Fractal Bloom
16%inclusion60 decks377 decks
12%synergy
Slinn Voda, the Rising Deep
15%inclusion57 decks377 decks
9%synergy
Octomancer
13%inclusion50 decks377 decks
9%synergy
Toski, Bearer of Secrets
13%inclusion49 decks377 decks
10%synergy
Nezahal, Primal Tide
13%inclusion49 decks377 decks
3%synergy
Scute Swarm
12%inclusion47 decks377 decks
-6%synergy
Kinnan, Bonder Prodigy
12%inclusion44 decks377 decks
8%synergy
Curiosity Crafter
11%inclusion42 decks377 decks
8%synergy
Coiling Oracle
11%inclusion40 decks377 decks
-2%synergy
Saryth, the Viper's Fang
10%inclusion38 decks377 decks
9%synergy
The Unagi of Kyoshi Island
10%inclusion20 decks204 decks
5%synergy
Reclamation Sage
10%inclusion36 decks377 decks
-3%synergy
Glasspool Mimic
10%inclusion36 decks377 decks
5%synergy
Circle of Dreams Druid
9.3%inclusion35 decks377 decks
7%synergy
Lotus Cobra
9.3%inclusion35 decks377 decks
-3%synergy
Uro, Titan of Nature's Wrath
9.3%inclusion35 decks377 decks
0%synergy
Tireless Provisioner
9.0%inclusion34 decks377 decks
-5%synergy
Vorinclex, Voice of Hunger
9.0%inclusion34 decks377 decks
6%synergy
Chameleon, Master of Disguise
8.9%inclusion21 decks235 decks
7%synergy
Xolatoyac, the Smiling Flood
8.5%inclusion32 decks377 decks
2%synergy
Starwinder
8.4%inclusion22 decks261 decks
2%synergy
Faerie Mastermind
8.2%inclusion31 decks377 decks
3%synergy
Hydroelectric Specimen
7.7%inclusion29 decks377 decks
2%synergy
Scourge of Fleets
7.7%inclusion29 decks377 decks
0%synergy
Avenger of Zendikar
7.4%inclusion28 decks377 decks
-9%synergy
Enduring Curiosity
7.4%inclusion28 decks377 decks
4%synergy
Badgermole Cub
7.3%inclusion15 decks206 decks
2%synergy
Selvala, Heart of the Wilds
6.9%inclusion26 decks377 decks
3%synergy
Instants
Swan Song
52%inclusion197 decks377 decks
34%synergy
Growth Spiral
45%inclusion169 decks377 decks
0%synergy
Pongify
42%inclusion160 decks377 decks
18%synergy
An Offer You Can't Refuse
42%inclusion158 decks377 decks
19%synergy
Double Major
39%inclusion147 decks377 decks
31%synergy
Arcane Denial
35%inclusion133 decks377 decks
13%synergy
Negate
34%inclusion129 decks377 decks
9%synergy
Rapid Hybridization
34%inclusion128 decks377 decks
7%synergy
Second Harvest
34%inclusion127 decks377 decks
27%synergy
Force of Negation
31%inclusion116 decks377 decks
23%synergy
Return of the Wildspeaker
23%inclusion87 decks377 decks
13%synergy
Pact of Negation
21%inclusion79 decks377 decks
15%synergy
Sink into Stupor
18%inclusion67 decks377 decks
6%synergy
Chord of Calling
17%inclusion64 decks377 decks
10%synergy
Krosan Grip
16%inclusion60 decks377 decks
9%synergy
Reality Shift
15%inclusion57 decks377 decks
1%synergy
Brainstorm
14%inclusion52 decks377 decks
-1%synergy
Nature's Claim
14%inclusion52 decks377 decks
5%synergy
Voidslime
14%inclusion51 decks377 decks
9%synergy
Tamiyo's Safekeeping
13%inclusion48 decks377 decks
8%synergy
Archdruid's Charm
11%inclusion43 decks377 decks
6%synergy
Force of Vigor
11%inclusion43 decks377 decks
7%synergy
Planar Genesis
11%inclusion43 decks377 decks
0%synergy
Mystic Reflection
11%inclusion42 decks377 decks
9%synergy
Noxious Revival
11%inclusion42 decks377 decks
6%synergy
Simic Charm
11%inclusion42 decks377 decks
4%synergy
Crop Rotation
11%inclusion41 decks377 decks
-1%synergy
Harrow
11%inclusion41 decks377 decks
-1%synergy
Stubborn Denial
10%inclusion39 decks377 decks
8%synergy
Resculpt
9.3%inclusion35 decks377 decks
4%synergy
Strix Serenade
9.0%inclusion34 decks377 decks
6%synergy
Veil of Summer
7.7%inclusion29 decks377 decks
2%synergy
Snakeskin Veil
7.7%inclusion29 decks377 decks
2%synergy
Muddle the Mixture
7.4%inclusion28 decks377 decks
4%synergy
Return to Nature
7.2%inclusion27 decks377 decks
2%synergy
Disallow
7.2%inclusion27 decks377 decks
6%synergy
Narset's Reversal
7.2%inclusion27 decks377 decks
6%synergy
Harmonized Crescendo
7.1%inclusion12 decks169 decks
5%synergy
Dispel
6.1%inclusion23 decks377 decks
2%synergy
Entish Restoration
6.1%inclusion23 decks377 decks
-3%synergy
Aetherize
6.1%inclusion23 decks377 decks
-6%synergy
Eureka Moment
5.8%inclusion22 decks377 decks
-6%synergy
Flusterstorm
5.8%inclusion22 decks377 decks
0%synergy
Legolas's Quick Reflexes
5.6%inclusion21 decks377 decks
4%synergy
Plasm Capture
5.6%inclusion21 decks377 decks
2%synergy
Collective Resistance
5.6%inclusion21 decks377 decks
2%synergy
Sublime Epiphany
5.0%inclusion19 decks377 decks
3%synergy
Sorceries
Farseek
51%inclusion194 decks377 decks
25%synergy
Irenicus's Vile Duplication
47%inclusion178 decks377 decks
41%synergy
Skyshroud Claim
42%inclusion157 decks377 decks
32%synergy
Finale of Devastation
28%inclusion106 decks377 decks
17%synergy
Quantum Misalignment
22%inclusion83 decks377 decks
19%synergy
Overwhelming Stampede
20%inclusion75 decks377 decks
8%synergy
Explore
17%inclusion65 decks377 decks
-3%synergy
Triumph of the Hordes
16%inclusion62 decks377 decks
14%synergy
Bala Ged Recovery
15%inclusion58 decks377 decks
6%synergy
Green Sun's Zenith
14%inclusion53 decks377 decks
6%synergy
Rite of Replication
14%inclusion51 decks377 decks
6%synergy
Sea Gate Restoration
13%inclusion49 decks377 decks
8%synergy
Rishkar's Expertise
11%inclusion43 decks377 decks
2%synergy
Migration Path
11%inclusion40 decks377 decks
7%synergy
Distant Melody
9.3%inclusion35 decks377 decks
6%synergy
Ponder
8.5%inclusion32 decks377 decks
1%synergy
Shamanic Revelation
8.2%inclusion31 decks377 decks
3%synergy
Explosive Vegetation
8.2%inclusion31 decks377 decks
2%synergy
Regrowth
8.0%inclusion30 decks377 decks
5%synergy
Shared Roots
6.9%inclusion14 decks203 decks
2%synergy
Raise the Palisade
6.6%inclusion25 decks377 decks
1%synergy
Windfall
6.4%inclusion24 decks377 decks
3%synergy
Bridgeworks Battle
6.4%inclusion24 decks377 decks
2%synergy
Natural Order
6.1%inclusion23 decks377 decks
5%synergy
Flare of Cultivation
5.8%inclusion22 decks377 decks
4%synergy
Curse of the Swine
5.6%inclusion21 decks377 decks
-6%synergy
Urban Evolution
5.6%inclusion21 decks377 decks
-4%synergy
Harmonize
5.6%inclusion21 decks377 decks
0%synergy
Fabricate
5.3%inclusion20 decks377 decks
-1%synergy
Doppelgang
5.3%inclusion20 decks377 decks
-2%synergy
Expropriate
5.0%inclusion19 decks377 decks
3%synergy
Time Warp
5.0%inclusion19 decks377 decks
3%synergy
Utility Artifacts
Lightning Greaves
48%inclusion182 decks377 decks
28%synergy
Helm of the Host
41%inclusion156 decks377 decks
36%synergy
Swiftfoot Boots
40%inclusion150 decks377 decks
15%synergy
The One Ring
21%inclusion78 decks377 decks
14%synergy
Combine Chrysalis
18%inclusion69 decks377 decks
14%synergy
The Great Henge
16%inclusion60 decks377 decks
7%synergy
Mirror Box
13%inclusion50 decks377 decks
10%synergy
Emerald Medallion
13%inclusion49 decks377 decks
10%synergy
Sapphire Medallion
11%inclusion42 decks377 decks
8%synergy
Eldrazi Monument
10%inclusion36 decks377 decks
9%synergy
Coat of Arms
7.7%inclusion29 decks377 decks
6%synergy
Winter Orb
6.4%inclusion24 decks377 decks
6%synergy
Static Orb
6.1%inclusion23 decks377 decks
6%synergy
Banner of Kinship
5.9%inclusion22 decks374 decks
4%synergy
Skullclamp
5.8%inclusion22 decks377 decks
5%synergy
Idol of Oblivion
5.6%inclusion21 decks377 decks
2%synergy
Enchantments
Tribute to the World Tree
50%inclusion188 decks377 decks
44%synergy
Mystic Remora
45%inclusion170 decks377 decks
31%synergy
Kindred Discovery
37%inclusion139 decks377 decks
28%synergy
Sylvan Library
31%inclusion117 decks377 decks
23%synergy
Exploration
22%inclusion82 decks377 decks
9%synergy
Growing Rites of Itlimoc
21%inclusion80 decks377 decks
16%synergy
Cryptolith Rite
20%inclusion75 decks377 decks
17%synergy
Wild Growth
16%inclusion62 decks377 decks
8%synergy
Primal Vigor
16%inclusion60 decks377 decks
13%synergy
Utopia Sprawl
15%inclusion57 decks377 decks
9%synergy
Garruk's Uprising
14%inclusion53 decks377 decks
-3%synergy
Defense of the Heart
12%inclusion47 decks377 decks
10%synergy
Propaganda
12%inclusion44 decks377 decks
5%synergy
Carpet of Flowers
10%inclusion38 decks377 decks
8%synergy
Burgeoning
10%inclusion38 decks377 decks
3%synergy
Beastmaster Ascension
10%inclusion37 decks377 decks
7%synergy
Unnatural Growth
10%inclusion37 decks377 decks
6%synergy
Paradox Haze
10%inclusion36 decks377 decks
9%synergy
Springleaf Parade
8.9%inclusion15 decks169 decks
6%synergy
Wilderness Reclamation
7.7%inclusion29 decks377 decks
-1%synergy
Omniscience
7.2%inclusion27 decks377 decks
2%synergy
Imprisoned in the Moon
6.9%inclusion26 decks377 decks
3%synergy
Asceticism
6.6%inclusion25 decks377 decks
4%synergy
Kenrith's Transformation
6.6%inclusion25 decks377 decks
3%synergy
Dismiss into Dream
6.4%inclusion24 decks377 decks
6%synergy
Extravagant Replication
6.1%inclusion23 decks377 decks
4%synergy
Opposition
5.8%inclusion22 decks377 decks
6%synergy
Planeswalkers
Oko, Thief of Crowns
34%inclusion129 decks377 decks
28%synergy
Utility Lands
Reliquary Tower
64%inclusion240 decks377 decks
14%synergy
Boseiju, Who Endures
46%inclusion174 decks377 decks
24%synergy
Otawara, Soaring City
37%inclusion140 decks377 decks
19%synergy
Yavimaya, Cradle of Growth
34%inclusion130 decks377 decks
13%synergy
Command Beacon
25%inclusion94 decks377 decks
21%synergy
Three Tree City
22%inclusion83 decks377 decks
17%synergy
Mistrise Village
17%inclusion58 decks339 decks
6%synergy
Mystic Sanctuary
17%inclusion64 decks377 decks
5%synergy
Alchemist's Refuge
16%inclusion59 decks377 decks
-3%synergy
Castle Garenbrig
16%inclusion59 decks377 decks
11%synergy
Evendo, Waking Haven
15%inclusion40 decks263 decks
10%synergy
Temple of the False God
15%inclusion56 decks377 decks
-1%synergy
Mosswort Bridge
13%inclusion48 decks377 decks
-4%synergy
Rogue's Passage
12%inclusion47 decks377 decks
-10%synergy
Shifting Woodland
6.9%inclusion26 decks377 decks
1%synergy
Minamo, School at Water's Edge
6.6%inclusion25 decks377 decks
1%synergy
Urza's Saga
6.6%inclusion25 decks377 decks
2%synergy
Field of the Dead
5.8%inclusion22 decks377 decks
1%synergy
Mana Artifacts
Sol Ring
96%inclusion361 decks377 decks
16%synergy
Arcane Signet
82%inclusion310 decks377 decks
19%synergy
Thought Vessel
41%inclusion155 decks377 decks
21%synergy
Talisman of Curiosity
34%inclusion130 decks377 decks
13%synergy
Simic Signet
34%inclusion129 decks377 decks
4%synergy
Mana Vault
20%inclusion76 decks377 decks
14%synergy
Chrome Mox
14%inclusion51 decks377 decks
8%synergy
Fellwar Stone
12%inclusion45 decks377 decks
3%synergy
Lotus Petal
8.8%inclusion33 decks377 decks
2%synergy
Thran Dynamo
7.7%inclusion29 decks377 decks
5%synergy
Mox Diamond
6.9%inclusion26 decks377 decks
2%synergy
Commander's Sphere
6.1%inclusion23 decks377 decks
-1%synergy
Basalt Monolith
5.0%inclusion19 decks377 decks
-2%synergy
Lands
Forest
94%inclusion353 decks377 decks
-2%synergy
Command Tower
93%inclusion352 decks377 decks
8%synergy
Island
93%inclusion352 decks377 decks
-2%synergy
Breeding Pool
76%inclusion285 decks377 decks
28%synergy
Hinterland Harbor
69%inclusion260 decks377 decks
8%synergy
Rejuvenating Springs
69%inclusion259 decks377 decks
26%synergy
Misty Rainforest
60%inclusion225 decks377 decks
29%synergy
Yavimaya Coast
60%inclusion225 decks377 decks
7%synergy
Dreamroot Cascade
57%inclusion214 decks377 decks
12%synergy
Barkchannel Pathway
46%inclusion175 decks377 decks
27%synergy
Flooded Grove
44%inclusion165 decks377 decks
0%synergy
Simic Growth Chamber
41%inclusion153 decks377 decks
-6%synergy
Waterlogged Grove
30%inclusion114 decks377 decks
11%synergy
Vineglimmer Snarl
30%inclusion113 decks377 decks
-10%synergy
Hedge Maze
28%inclusion104 decks377 decks
8%synergy
Tropical Island
27%inclusion102 decks377 decks
13%synergy
Temple of Mystery
27%inclusion101 decks377 decks
-11%synergy
Willowrush Verge
25%inclusion95 decks373 decks
7%synergy
Fabled Passage
25%inclusion93 decks377 decks
8%synergy
Exotic Orchard
22%inclusion84 decks377 decks
-2%synergy
Prismatic Vista
20%inclusion74 decks377 decks
13%synergy
Sink into Stupor
18%inclusion67 decks377 decks
6%synergy
Myriad Landscape
18%inclusion66 decks377 decks
-3%synergy
Flooded Strand
17%inclusion65 decks377 decks
7%synergy
Botanical Sanctum
16%inclusion59 decks377 decks
3%synergy
Bala Ged Recovery
15%inclusion58 decks377 decks
6%synergy
Windswept Heath
15%inclusion57 decks377 decks
5%synergy
Rimewood Falls
15%inclusion56 decks377 decks
7%synergy
Evolving Wilds
15%inclusion56 decks377 decks
-9%synergy
Verdant Catacombs
15%inclusion55 decks377 decks
6%synergy
Polluted Delta
15%inclusion55 decks377 decks
5%synergy
Scalding Tarn
15%inclusion55 decks377 decks
6%synergy
Wooded Foothills
13%inclusion50 decks377 decks
4%synergy
Thornwood Falls
13%inclusion50 decks377 decks
-4%synergy
Sodden Verdure
13%inclusion22 decks169 decks
-7%synergy
Sea Gate Restoration
13%inclusion49 decks377 decks
8%synergy
Overflowing Basin
11%inclusion42 decks377 decks
-10%synergy
Snow-Covered Island
11%inclusion42 decks377 decks
5%synergy
Snow-Covered Forest
11%inclusion42 decks377 decks
5%synergy
Tangled Islet
11%inclusion41 decks377 decks
-5%synergy
Terramorphic Expanse
10%inclusion39 decks377 decks
-10%synergy
Mana Confluence
10%inclusion38 decks377 decks
5%synergy
City of Brass
10%inclusion36 decks377 decks
4%synergy
Glasspool Mimic
10%inclusion36 decks377 decks
5%synergy
Path of Ancestry
9.3%inclusion35 decks377 decks
-8%synergy
Reflecting Pool
8.5%inclusion32 decks377 decks
5%synergy
Hydroelectric Specimen
7.7%inclusion29 decks377 decks
2%synergy
Gemstone Caverns
7.4%inclusion28 decks377 decks
2%synergy
Blighted Woodland
6.6%inclusion25 decks377 decks
0%synergy
Bridgeworks Battle
6.4%inclusion24 decks377 decks
2%synergy
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