Koma, Cosmos Serpent (Commander) - Midrange

Alternate Names:

The Monstrous SerpentThe Monstrous Serpent

Koma, Cosmos Serpent
Rank #342
41decks
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
Mana Artifacts
Lands
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Parallel Lives
73%inclusion30 decks41 decks
67%synergy
Adrix and Nev, Twincasters
76%inclusion31 decks41 decks
67%synergy
Elemental Bond
68%inclusion28 decks41 decks
63%synergy
Spark Double
71%inclusion29 decks41 decks
62%synergy
Sakashima of a Thousand Faces
61%inclusion25 decks41 decks
56%synergy
Tribute to the World Tree
59%inclusion24 decks41 decks
53%synergy
Whelming Wave
61%inclusion25 decks41 decks
50%synergy
Irenicus's Vile Duplication
56%inclusion23 decks41 decks
50%synergy
Junk Winder
56%inclusion23 decks41 decks
50%synergy
Doubling Season
56%inclusion23 decks41 decks
45%synergy
Top Cards
Nature's Lore
71%inclusion29 decks41 decks
38%synergy
Cultivate
71%inclusion29 decks41 decks
25%synergy
Three Visits
68%inclusion28 decks41 decks
43%synergy
Heroic Intervention
68%inclusion28 decks41 decks
38%synergy
Beast Within
63%inclusion26 decks41 decks
15%synergy
Rampant Growth
63%inclusion26 decks41 decks
24%synergy
Kodama's Reach
61%inclusion25 decks41 decks
27%synergy
Mana Drain
59%inclusion24 decks41 decks
43%synergy
Counterspell
56%inclusion23 decks41 decks
7%synergy
Birds of Paradise
56%inclusion23 decks41 decks
28%synergy
Game Changers
Cyclonic Rift
66%inclusion27 decks41 decks
43%synergy
Fierce Guardianship
54%inclusion22 decks41 decks
38%synergy
Rhystic Study
49%inclusion20 decks41 decks
29%synergy
Force of Will
34%inclusion14 decks41 decks
25%synergy
Consecrated Sphinx
32%inclusion13 decks41 decks
23%synergy
Seedborn Muse
32%inclusion13 decks41 decks
16%synergy
Worldly Tutor
32%inclusion13 decks41 decks
18%synergy
Mystical Tutor
27%inclusion11 decks41 decks
19%synergy
Ancient Tomb
22%inclusion9 decks41 decks
13%synergy
Mana Vault
22%inclusion9 decks41 decks
16%synergy
Creatures
Elvish Mystic
51%inclusion21 decks41 decks
28%synergy
Llanowar Elves
51%inclusion21 decks41 decks
24%synergy
Koma, World-Eater
45%inclusion18 decks40 decks
33%synergy
Sakashima the Impostor
44%inclusion18 decks41 decks
41%synergy
Serpent of Yawning Depths
44%inclusion18 decks41 decks
38%synergy
Fyndhorn Elves
44%inclusion18 decks41 decks
30%synergy
Sakura-Tribe Elder
44%inclusion18 decks41 decks
25%synergy
Tatyova, Benthic Druid
37%inclusion15 decks41 decks
7%synergy
Enduring Vitality
37%inclusion15 decks41 decks
29%synergy
Aesi, Tyrant of Gyre Strait
37%inclusion15 decks41 decks
19%synergy
Spawning Kraken
37%inclusion15 decks41 decks
30%synergy
Garruk's Packleader
34%inclusion14 decks41 decks
32%synergy
Craterhoof Behemoth
34%inclusion14 decks41 decks
24%synergy
Ohran Frostfang
32%inclusion13 decks41 decks
28%synergy
Roaming Throne
29%inclusion12 decks41 decks
22%synergy
Summon: Leviathan
28%inclusion9 decks32 decks
21%synergy
Hullbreaker Horror
24%inclusion10 decks41 decks
7%synergy
Delighted Halfling
24%inclusion10 decks41 decks
13%synergy
Eternal Witness
22%inclusion9 decks41 decks
3%synergy
Murkfiend Liege
22%inclusion9 decks41 decks
8%synergy
Fanatic of Rhonas
22%inclusion9 decks41 decks
16%synergy
Arixmethes, Slumbering Isle
22%inclusion9 decks41 decks
9%synergy
Uro, Titan of Nature's Wrath
22%inclusion9 decks41 decks
13%synergy
The Unagi of Kyoshi Island
20%inclusion4 decks20 decks
15%synergy
Tam, Mindful First-Year
19%inclusion3 decks16 decks
17%synergy
Lotus Cobra
17%inclusion7 decks41 decks
5%synergy
Enduring Curiosity
17%inclusion7 decks41 decks
14%synergy
Tireless Provisioner
17%inclusion7 decks41 decks
3%synergy
Sylvan Caryatid
15%inclusion6 decks41 decks
13%synergy
Circle of Dreams Druid
12%inclusion5 decks41 decks
10%synergy
Octomancer
12%inclusion5 decks41 decks
8%synergy
Disciple of Freyalise
12%inclusion5 decks41 decks
7%synergy
Arbor Elf
12%inclusion5 decks41 decks
7%synergy
Hydroelectric Specimen
12%inclusion5 decks41 decks
6%synergy
Archetype of Imagination
12%inclusion5 decks41 decks
8%synergy
Toski, Bearer of Secrets
12%inclusion5 decks41 decks
9%synergy
Scute Swarm
12%inclusion5 decks41 decks
-6%synergy
Starwinder
12%inclusion3 decks25 decks
6%synergy
Wan Shi Tong, Librarian
10%inclusion2 decks20 decks
4%synergy
Badgermole Cub
10%inclusion2 decks20 decks
5%synergy
Reclamation Sage
10%inclusion4 decks41 decks
-3%synergy
Peregrine Drake
10%inclusion4 decks41 decks
6%synergy
Phyrexian Metamorph
10%inclusion4 decks41 decks
1%synergy
Thrasios, Triton Hero
10%inclusion4 decks41 decks
3%synergy
Azusa, Lost but Seeking
10%inclusion4 decks41 decks
-3%synergy
Wood Elves
10%inclusion4 decks41 decks
4%synergy
Kinnan, Bonder Prodigy
10%inclusion4 decks41 decks
6%synergy
Pollywog Prodigy
10%inclusion4 decks41 decks
4%synergy
Esix, Fractal Bloom
10%inclusion4 decks41 decks
6%synergy
Sylvan Safekeeper
10%inclusion4 decks41 decks
7%synergy
Instants
An Offer You Can't Refuse
51%inclusion21 decks41 decks
28%synergy
Swan Song
51%inclusion21 decks41 decks
33%synergy
Rapid Hybridization
37%inclusion15 decks41 decks
9%synergy
Pongify
34%inclusion14 decks41 decks
9%synergy
Return of the Wildspeaker
32%inclusion13 decks41 decks
22%synergy
Negate
32%inclusion13 decks41 decks
7%synergy
Chord of Calling
32%inclusion13 decks41 decks
24%synergy
Growth Spiral
29%inclusion12 decks41 decks
-15%synergy
Arcane Denial
29%inclusion12 decks41 decks
7%synergy
Force of Negation
29%inclusion12 decks41 decks
22%synergy
Reality Shift
24%inclusion10 decks41 decks
10%synergy
Double Major
24%inclusion10 decks41 decks
16%synergy
Second Harvest
22%inclusion9 decks41 decks
16%synergy
Nature's Claim
22%inclusion9 decks41 decks
13%synergy
Sink into Stupor
22%inclusion9 decks41 decks
10%synergy
Harrow
20%inclusion8 decks41 decks
8%synergy
Crop Rotation
17%inclusion7 decks41 decks
5%synergy
Force of Vigor
17%inclusion7 decks41 decks
13%synergy
Archdruid's Charm
12%inclusion5 decks41 decks
7%synergy
Krosan Grip
12%inclusion5 decks41 decks
6%synergy
Entish Restoration
12%inclusion5 decks41 decks
3%synergy
Planar Genesis
12%inclusion5 decks41 decks
1%synergy
Snakeskin Veil
10%inclusion4 decks41 decks
4%synergy
Brainstorm
10%inclusion4 decks41 decks
-5%synergy
Stubborn Denial
10%inclusion4 decks41 decks
7%synergy
Mystic Reflection
10%inclusion4 decks41 decks
7%synergy
Legolas's Quick Reflexes
10%inclusion4 decks41 decks
8%synergy
Aetherize
10%inclusion4 decks41 decks
-3%synergy
Strix Serenade
10%inclusion4 decks41 decks
7%synergy
Flusterstorm
10%inclusion4 decks41 decks
4%synergy
Tamiyo's Safekeeping
10%inclusion4 decks41 decks
5%synergy
Voidslime
10%inclusion4 decks41 decks
5%synergy
Pact of Negation
10%inclusion4 decks41 decks
3%synergy
Consult the Star Charts
8.0%inclusion2 decks25 decks
6%synergy
Muddle the Mixture
7.3%inclusion3 decks41 decks
3%synergy
Three Steps Ahead
7.3%inclusion3 decks41 decks
5%synergy
Plasm Capture
7.3%inclusion3 decks41 decks
4%synergy
Mindbreak Trap
7.3%inclusion3 decks41 decks
3%synergy
Cancel
7.3%inclusion3 decks41 decks
5%synergy
Resculpt
7.3%inclusion3 decks41 decks
2%synergy
Joint Exploration
7.3%inclusion3 decks41 decks
2%synergy
Lazotep Plating
7.3%inclusion3 decks41 decks
7%synergy
Collective Resistance
7.3%inclusion3 decks41 decks
4%synergy
Mystic Confluence
7.3%inclusion3 decks41 decks
4%synergy
Miscast
7.3%inclusion3 decks41 decks
6%synergy
Mirrorform
6.3%inclusion1 decks16 decks
5%synergy
Wild Unraveling
6.3%inclusion1 decks16 decks
6%synergy
Heritage Reclamation
6.1%inclusion2 decks33 decks
4%synergy
Auroral Procession
6.1%inclusion2 decks33 decks
2%synergy
Refute
5.0%inclusion2 decks40 decks
3%synergy
Sorceries
Farseek
54%inclusion22 decks41 decks
27%synergy
Skyshroud Claim
41%inclusion17 decks41 decks
32%synergy
Quantum Misalignment
37%inclusion15 decks41 decks
34%synergy
Triumph of the Hordes
27%inclusion11 decks41 decks
24%synergy
Explore
24%inclusion10 decks41 decks
4%synergy
Rishkar's Expertise
22%inclusion9 decks41 decks
13%synergy
Finale of Devastation
20%inclusion8 decks41 decks
8%synergy
Overwhelming Stampede
20%inclusion8 decks41 decks
7%synergy
Green Sun's Zenith
17%inclusion7 decks41 decks
9%synergy
Shared Roots
15%inclusion3 decks20 decks
9%synergy
Turntimber Symbiosis
15%inclusion6 decks41 decks
13%synergy
Sea Gate Restoration
15%inclusion6 decks41 decks
9%synergy
Migration Path
15%inclusion6 decks41 decks
11%synergy
Fabricate
12%inclusion5 decks41 decks
6%synergy
Explosive Vegetation
12%inclusion5 decks41 decks
6%synergy
Raise the Palisade
12%inclusion5 decks41 decks
6%synergy
Rite of Replication
12%inclusion5 decks41 decks
5%synergy
Ponder
10%inclusion4 decks41 decks
3%synergy
Polymorph
10%inclusion4 decks41 decks
10%synergy
Last March of the Ents
10%inclusion4 decks41 decks
7%synergy
Natural Order
10%inclusion4 decks41 decks
8%synergy
Distant Melody
10%inclusion4 decks41 decks
7%synergy
Doppelgang
10%inclusion4 decks41 decks
3%synergy
Shamanic Revelation
10%inclusion4 decks41 decks
5%synergy
Bala Ged Recovery
10%inclusion4 decks41 decks
-0%synergy
Open the Way
10%inclusion4 decks41 decks
5%synergy
Solve the Equation
10%inclusion4 decks41 decks
8%synergy
Planar Engineering
8.3%inclusion1 decks12 decks
4%synergy
Mind into Matter
8.3%inclusion1 decks12 decks
-0%synergy
Traverse the Outlands
7.3%inclusion3 decks41 decks
4%synergy
Flare of Cultivation
7.3%inclusion3 decks41 decks
5%synergy
Into the North
7.3%inclusion3 decks41 decks
6%synergy
Circuitous Route
7.3%inclusion3 decks41 decks
5%synergy
Tooth and Nail
7.3%inclusion3 decks41 decks
6%synergy
Genesis Wave
7.3%inclusion3 decks41 decks
3%synergy
Glimpse the Core
7.3%inclusion3 decks41 decks
7%synergy
Nature's Rhythm
6.1%inclusion2 decks33 decks
-0%synergy
Utility Artifacts
Lightning Greaves
39%inclusion16 decks41 decks
19%synergy
Swiftfoot Boots
32%inclusion13 decks41 decks
7%synergy
Helm of the Host
22%inclusion9 decks41 decks
17%synergy
Static Orb
20%inclusion8 decks41 decks
19%synergy
Winter Orb
20%inclusion8 decks41 decks
19%synergy
Skullclamp
20%inclusion8 decks41 decks
18%synergy
The One Ring
15%inclusion6 decks41 decks
8%synergy
The Great Henge
12%inclusion5 decks41 decks
3%synergy
Proteus Staff
12%inclusion5 decks41 decks
12%synergy
Combine Chrysalis
12%inclusion5 decks41 decks
8%synergy
Idol of Oblivion
12%inclusion5 decks41 decks
9%synergy
Emerald Medallion
10%inclusion4 decks41 decks
6%synergy
Bident of Thassa
10%inclusion4 decks41 decks
3%synergy
Sensei's Divining Top
7.3%inclusion3 decks41 decks
4%synergy
Mirror Box
7.3%inclusion3 decks41 decks
4%synergy
Eldrazi Monument
7.3%inclusion3 decks41 decks
7%synergy
Isochron Scepter
7.3%inclusion3 decks41 decks
5%synergy
Sapphire Medallion
7.3%inclusion3 decks41 decks
4%synergy
Banner of Kinship
5.0%inclusion2 decks40 decks
3%synergy
Enchantments
Mystic Remora
44%inclusion18 decks41 decks
30%synergy
Kindred Discovery
34%inclusion14 decks41 decks
25%synergy
Beastmaster Ascension
22%inclusion9 decks41 decks
19%synergy
Sylvan Library
22%inclusion9 decks41 decks
14%synergy
Springleaf Parade
19%inclusion3 decks16 decks
16%synergy
Verity Circle
17%inclusion7 decks41 decks
17%synergy
Wild Growth
17%inclusion7 decks41 decks
8%synergy
Growing Rites of Itlimoc
17%inclusion7 decks41 decks
12%synergy
Utopia Sprawl
15%inclusion6 decks41 decks
8%synergy
Exploration
15%inclusion6 decks41 decks
2%synergy
Opposition
15%inclusion6 decks41 decks
14%synergy
Primal Vigor
12%inclusion5 decks41 decks
9%synergy
Defense of the Heart
12%inclusion5 decks41 decks
10%synergy
Propaganda
12%inclusion5 decks41 decks
5%synergy
Unstoppable Plan
11%inclusion4 decks37 decks
9%synergy
Cryptolith Rite
10%inclusion4 decks41 decks
6%synergy
Garruk's Uprising
7.3%inclusion3 decks41 decks
-10%synergy
Pattern of Rebirth
7.3%inclusion3 decks41 decks
7%synergy
Walk-In Closet // Forgotten Cellar
7.3%inclusion3 decks41 decks
5%synergy
Song of the Dryads
7.3%inclusion3 decks41 decks
6%synergy
Asceticism
7.3%inclusion3 decks41 decks
4%synergy
Dismiss into Dream
7.3%inclusion3 decks41 decks
7%synergy
March of the World Ooze
5.4%inclusion2 decks37 decks
5%synergy
Planeswalkers
Oko, Thief of Crowns
39%inclusion16 decks41 decks
33%synergy
Utility Lands
Reliquary Tower
46%inclusion19 decks41 decks
-4%synergy
Boseiju, Who Endures
41%inclusion17 decks41 decks
19%synergy
Otawara, Soaring City
39%inclusion16 decks41 decks
21%synergy
Command Beacon
29%inclusion12 decks41 decks
26%synergy
Yavimaya, Cradle of Growth
27%inclusion11 decks41 decks
6%synergy
Urza's Saga
20%inclusion8 decks41 decks
15%synergy
Gaea's Cradle
20%inclusion8 decks41 decks
13%synergy
Mistrise Village
18%inclusion6 decks33 decks
7%synergy
Mystic Sanctuary
17%inclusion7 decks41 decks
5%synergy
Alchemist's Refuge
17%inclusion7 decks41 decks
-2%synergy
Three Tree City
17%inclusion7 decks41 decks
12%synergy
Rogue's Passage
17%inclusion7 decks41 decks
-6%synergy
Minamo, School at Water's Edge
12%inclusion5 decks41 decks
7%synergy
Nykthos, Shrine to Nyx
12%inclusion5 decks41 decks
10%synergy
Temple of the False God
12%inclusion5 decks41 decks
-4%synergy
Crystal Vein
10%inclusion4 decks41 decks
9%synergy
Mosswort Bridge
10%inclusion4 decks41 decks
-7%synergy
Castle Garenbrig
10%inclusion4 decks41 decks
6%synergy
Evendo, Waking Haven
8.0%inclusion2 decks25 decks
3%synergy
Emergence Zone
7.3%inclusion3 decks41 decks
4%synergy
Agna Qel'a
5.0%inclusion1 decks20 decks
4%synergy
Mana Artifacts
Sol Ring
90%inclusion37 decks41 decks
10%synergy
Arcane Signet
73%inclusion30 decks41 decks
10%synergy
Talisman of Curiosity
44%inclusion18 decks41 decks
22%synergy
Thought Vessel
41%inclusion17 decks41 decks
22%synergy
Simic Signet
29%inclusion12 decks41 decks
-0%synergy
Fellwar Stone
20%inclusion8 decks41 decks
10%synergy
Lotus Petal
7.3%inclusion3 decks41 decks
1%synergy
Herd Heirloom
6.1%inclusion2 decks33 decks
3%synergy
Lands
Island
95%inclusion39 decks41 decks
-1%synergy
Forest
95%inclusion39 decks41 decks
-0%synergy
Command Tower
93%inclusion38 decks41 decks
8%synergy
Breeding Pool
80%inclusion33 decks41 decks
33%synergy
Misty Rainforest
71%inclusion29 decks41 decks
40%synergy
Hinterland Harbor
71%inclusion29 decks41 decks
9%synergy
Rejuvenating Springs
63%inclusion26 decks41 decks
21%synergy
Yavimaya Coast
56%inclusion23 decks41 decks
3%synergy
Dreamroot Cascade
56%inclusion23 decks41 decks
10%synergy
Flooded Grove
46%inclusion19 decks41 decks
3%synergy
Scalding Tarn
44%inclusion18 decks41 decks
35%synergy
Barkchannel Pathway
41%inclusion17 decks41 decks
22%synergy
Hedge Maze
41%inclusion17 decks41 decks
22%synergy
Flooded Strand
39%inclusion16 decks41 decks
28%synergy
Exotic Orchard
37%inclusion15 decks41 decks
12%synergy
Wooded Foothills
37%inclusion15 decks41 decks
27%synergy
Verdant Catacombs
37%inclusion15 decks41 decks
28%synergy
Polluted Delta
37%inclusion15 decks41 decks
27%synergy
Windswept Heath
34%inclusion14 decks41 decks
24%synergy
Willowrush Verge
32%inclusion12 decks37 decks
14%synergy
Prismatic Vista
32%inclusion13 decks41 decks
25%synergy
Fabled Passage
32%inclusion13 decks41 decks
15%synergy
Waterlogged Grove
32%inclusion13 decks41 decks
12%synergy
Vineglimmer Snarl
27%inclusion11 decks41 decks
-13%synergy
Simic Growth Chamber
24%inclusion10 decks41 decks
-21%synergy
Myriad Landscape
24%inclusion10 decks41 decks
4%synergy
Temple of Mystery
24%inclusion10 decks41 decks
-13%synergy
Tropical Island
22%inclusion9 decks41 decks
8%synergy
Sink into Stupor
22%inclusion9 decks41 decks
10%synergy
Overflowing Basin
20%inclusion8 decks41 decks
-2%synergy
Snow-Covered Island
17%inclusion7 decks41 decks
11%synergy
Snow-Covered Forest
17%inclusion7 decks41 decks
11%synergy
Botanical Sanctum
17%inclusion7 decks41 decks
4%synergy
Turntimber Symbiosis
15%inclusion6 decks41 decks
13%synergy
Sea Gate Restoration
15%inclusion6 decks41 decks
9%synergy
Evolving Wilds
15%inclusion6 decks41 decks
-9%synergy
Sodden Verdure
13%inclusion2 decks16 decks
-9%synergy
Disciple of Freyalise
12%inclusion5 decks41 decks
7%synergy
Hydroelectric Specimen
12%inclusion5 decks41 decks
6%synergy
Blighted Woodland
10%inclusion4 decks41 decks
3%synergy
Rimewood Falls
10%inclusion4 decks41 decks
2%synergy
Plaza of Heroes
10%inclusion4 decks41 decks
9%synergy
Mana Confluence
10%inclusion4 decks41 decks
4%synergy
Bala Ged Recovery
10%inclusion4 decks41 decks
-0%synergy
City of Brass
10%inclusion4 decks41 decks
4%synergy
Turbulent Wilderness
8.3%inclusion1 decks12 decks
-9%synergy
Terramorphic Expanse
7.3%inclusion3 decks41 decks
-13%synergy
Tangled Islet
7.3%inclusion3 decks41 decks
-8%synergy
Path of Ancestry
7.3%inclusion3 decks41 decks
-10%synergy
Glasspool Mimic
7.3%inclusion3 decks41 decks
3%synergy
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