Koma, Cosmos Serpent (Commander) - Control

Alternate Names:

The Monstrous SerpentThe Monstrous Serpent

Koma, Cosmos Serpent
Rank #344
215decks
As CommanderAs CardAverage DeckDecks
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1
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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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Radagast of Rhosgobel
10%inclusion4 decks42 decks
6%synergy
Samut, Tyrant of Naktamun
8.3%inclusion1 decks12 decks
7%synergy
Verdant Kraken
8.3%inclusion1 decks12 decks
3%synergy
Thranduil, Sindarin Liege
2.4%inclusion1 decks42 decks
-2%synergy
Orcrist, Goblin-cleaver
2.2%inclusion1 decks45 decks
2%synergy
High Synergy Cards
Elemental Bond
82%inclusion176 decks215 decks
76%synergy
Adrix and Nev, Twincasters
80%inclusion173 decks215 decks
71%synergy
Whelming Wave
75%inclusion161 decks215 decks
65%synergy
Spark Double
69%inclusion149 decks215 decks
60%synergy
Sakashima of a Thousand Faces
61%inclusion132 decks215 decks
57%synergy
Parallel Lives
60%inclusion130 decks215 decks
54%synergy
Junk Winder
53%inclusion114 decks215 decks
47%synergy
Sakashima the Impostor
46%inclusion99 decks215 decks
44%synergy
Irenicus's Vile Duplication
49%inclusion106 decks215 decks
44%synergy
Serpent of Yawning Depths
49%inclusion106 decks215 decks
43%synergy
Top Cards
Counterspell
76%inclusion163 decks215 decks
27%synergy
Nature's Lore
69%inclusion148 decks215 decks
36%synergy
Cultivate
69%inclusion148 decks215 decks
24%synergy
Beast Within
62%inclusion133 decks215 decks
14%synergy
Rampant Growth
62%inclusion133 decks215 decks
23%synergy
Kodama's Reach
60%inclusion129 decks215 decks
26%synergy
Three Visits
59%inclusion127 decks215 decks
33%synergy
Heroic Intervention
59%inclusion126 decks215 decks
28%synergy
An Offer You Can't Refuse
55%inclusion119 decks215 decks
31%synergy
Farseek
54%inclusion117 decks215 decks
28%synergy
Game Changers
Cyclonic Rift
57%inclusion123 decks215 decks
35%synergy
Rhystic Study
47%inclusion101 decks215 decks
28%synergy
Fierce Guardianship
45%inclusion96 decks215 decks
29%synergy
Seedborn Muse
35%inclusion75 decks215 decks
19%synergy
Worldly Tutor
29%inclusion62 decks215 decks
15%synergy
Consecrated Sphinx
25%inclusion53 decks215 decks
16%synergy
Ancient Tomb
23%inclusion50 decks215 decks
15%synergy
Force of Will
23%inclusion50 decks215 decks
14%synergy
Mystical Tutor
22%inclusion47 decks215 decks
14%synergy
Mana Vault
14%inclusion31 decks215 decks
8%synergy
Creatures
Birds of Paradise
53%inclusion115 decks215 decks
25%synergy
Koma, World-Eater
53%inclusion110 decks209 decks
41%synergy
Aesi, Tyrant of Gyre Strait
49%inclusion105 decks215 decks
31%synergy
Llanowar Elves
47%inclusion100 decks215 decks
18%synergy
Elvish Mystic
37%inclusion79 decks215 decks
14%synergy
Arixmethes, Slumbering Isle
36%inclusion78 decks215 decks
23%synergy
Spawning Kraken
36%inclusion78 decks215 decks
30%synergy
Sakura-Tribe Elder
36%inclusion77 decks215 decks
18%synergy
Craterhoof Behemoth
35%inclusion76 decks215 decks
25%synergy
Summon: Leviathan
33%inclusion58 decks175 decks
26%synergy
Hullbreaker Horror
33%inclusion70 decks215 decks
15%synergy
Tatyova, Benthic Druid
31%inclusion66 decks215 decks
2%synergy
Eternal Witness
30%inclusion64 decks215 decks
12%synergy
Roaming Throne
30%inclusion64 decks215 decks
23%synergy
Fyndhorn Elves
27%inclusion58 decks215 decks
13%synergy
Enduring Vitality
25%inclusion54 decks215 decks
17%synergy
Garruk's Packleader
24%inclusion51 decks215 decks
22%synergy
Murkfiend Liege
24%inclusion51 decks215 decks
11%synergy
Ohran Frostfang
21%inclusion45 decks215 decks
17%synergy
The Unagi of Kyoshi Island
20%inclusion27 decks137 decks
15%synergy
Archetype of Imagination
19%inclusion40 decks215 decks
14%synergy
Delighted Halfling
19%inclusion40 decks215 decks
7%synergy
Octomancer
16%inclusion35 decks215 decks
12%synergy
Fanatic of Rhonas
16%inclusion35 decks215 decks
11%synergy
Uro, Titan of Nature's Wrath
15%inclusion33 decks215 decks
7%synergy
Starwinder
14%inclusion22 decks157 decks
8%synergy
Chameleon, Master of Disguise
14%inclusion20 decks147 decks
11%synergy
Toski, Bearer of Secrets
13%inclusion29 decks215 decks
10%synergy
Saryth, the Viper's Fang
12%inclusion26 decks215 decks
11%synergy
Enduring Curiosity
12%inclusion26 decks215 decks
9%synergy
Esix, Fractal Bloom
12%inclusion25 decks215 decks
8%synergy
Tireless Provisioner
11%inclusion23 decks215 decks
-3%synergy
Glasspool Mimic
11%inclusion23 decks215 decks
6%synergy
Nezahal, Primal Tide
11%inclusion23 decks215 decks
1%synergy
Coiling Oracle
10%inclusion22 decks215 decks
-1%synergy
Lotus Cobra
10%inclusion22 decks215 decks
-2%synergy
Slinn Voda, the Rising Deep
10%inclusion21 decks215 decks
4%synergy
Azusa, Lost but Seeking
9.3%inclusion20 decks215 decks
-4%synergy
Hydroelectric Specimen
8.8%inclusion19 decks215 decks
3%synergy
Faerie Mastermind
8.8%inclusion19 decks215 decks
3%synergy
Curiosity Crafter
8.4%inclusion18 decks215 decks
5%synergy
Circle of Dreams Druid
8.4%inclusion18 decks215 decks
6%synergy
Scourge of Fleets
8.4%inclusion18 decks215 decks
1%synergy
Troyan, Gutsy Explorer
7.9%inclusion17 decks215 decks
3%synergy
Disciple of Freyalise
7.9%inclusion17 decks215 decks
3%synergy
Arbor Elf
7.9%inclusion17 decks215 decks
2%synergy
Gala Greeters
7.9%inclusion17 decks215 decks
6%synergy
Irma, Part-Time Mutant
7.8%inclusion8 decks102 decks
6%synergy
Kinnan, Bonder Prodigy
7.4%inclusion16 decks215 decks
4%synergy
Mister Fantastic, Reed Richards
7.1%inclusion5 decks70 decks
3%synergy
Instants
Mana Drain
48%inclusion103 decks215 decks
33%synergy
Growth Spiral
46%inclusion99 decks215 decks
2%synergy
Swan Song
45%inclusion96 decks215 decks
25%synergy
Arcane Denial
44%inclusion95 decks215 decks
22%synergy
Negate
43%inclusion92 decks215 decks
18%synergy
Rapid Hybridization
41%inclusion88 decks215 decks
14%synergy
Pongify
40%inclusion86 decks215 decks
15%synergy
Double Major
32%inclusion68 decks215 decks
24%synergy
Return of the Wildspeaker
30%inclusion64 decks215 decks
20%synergy
Second Harvest
28%inclusion61 decks215 decks
22%synergy
Reality Shift
24%inclusion51 decks215 decks
10%synergy
Nature's Claim
23%inclusion50 decks215 decks
15%synergy
Force of Negation
23%inclusion50 decks215 decks
16%synergy
Sink into Stupor
23%inclusion49 decks215 decks
10%synergy
Planar Genesis
22%inclusion48 decks215 decks
12%synergy
Pact of Negation
19%inclusion41 decks215 decks
13%synergy
Chord of Calling
19%inclusion40 decks215 decks
11%synergy
Tamiyo's Safekeeping
19%inclusion40 decks215 decks
14%synergy
Stubborn Denial
18%inclusion38 decks215 decks
15%synergy
Krosan Grip
18%inclusion38 decks215 decks
11%synergy
Harrow
17%inclusion36 decks215 decks
5%synergy
Brainstorm
16%inclusion34 decks215 decks
1%synergy
Force of Vigor
16%inclusion34 decks215 decks
12%synergy
Simic Charm
15%inclusion33 decks215 decks
8%synergy
Voidslime
14%inclusion31 decks215 decks
10%synergy
Resculpt
13%inclusion28 decks215 decks
8%synergy
Snakeskin Veil
12%inclusion26 decks215 decks
6%synergy
Crop Rotation
12%inclusion26 decks215 decks
0%synergy
Harmonized Crescendo
12%inclusion14 decks117 decks
9%synergy
Archdruid's Charm
12%inclusion25 decks215 decks
6%synergy
Mystic Reflection
12%inclusion25 decks215 decks
9%synergy
Aetherize
12%inclusion25 decks215 decks
-1%synergy
Narset's Reversal
11%inclusion24 decks215 decks
10%synergy
Collective Resistance
11%inclusion23 decks215 decks
7%synergy
Plasm Capture
10%inclusion21 decks215 decks
7%synergy
Return to Nature
9.3%inclusion20 decks215 decks
5%synergy
Disallow
9.3%inclusion20 decks215 decks
8%synergy
Tyvar's Stand
8.8%inclusion19 decks215 decks
4%synergy
Strix Serenade
8.8%inclusion19 decks215 decks
6%synergy
Entish Restoration
8.4%inclusion18 decks215 decks
-0%synergy
Consult the Star Charts
8.2%inclusion13 decks159 decks
7%synergy
Eureka Moment
7.9%inclusion17 decks215 decks
-4%synergy
Three Steps Ahead
7.4%inclusion16 decks215 decks
5%synergy
Sublime Epiphany
7.4%inclusion16 decks215 decks
5%synergy
Noxious Revival
7.4%inclusion16 decks215 decks
2%synergy
Muddle the Mixture
7.0%inclusion15 decks215 decks
3%synergy
Decisive Denial
7.0%inclusion15 decks215 decks
1%synergy
Flusterstorm
7.0%inclusion15 decks215 decks
1%synergy
Slip Out the Back
6.5%inclusion14 decks215 decks
3%synergy
Joint Exploration
6.0%inclusion13 decks215 decks
1%synergy
Sorceries
Skyshroud Claim
44%inclusion95 decks215 decks
35%synergy
Quantum Misalignment
27%inclusion59 decks215 decks
25%synergy
Explore
21%inclusion46 decks215 decks
1%synergy
Finale of Devastation
20%inclusion43 decks215 decks
8%synergy
Triumph of the Hordes
20%inclusion42 decks215 decks
17%synergy
Bala Ged Recovery
20%inclusion42 decks215 decks
10%synergy
Rishkar's Expertise
17%inclusion37 decks215 decks
8%synergy
Migration Path
17%inclusion37 decks215 decks
14%synergy
Overwhelming Stampede
17%inclusion37 decks215 decks
5%synergy
Sea Gate Restoration
14%inclusion31 decks215 decks
9%synergy
Explosive Vegetation
13%inclusion29 decks215 decks
8%synergy
Distant Melody
12%inclusion26 decks215 decks
9%synergy
Green Sun's Zenith
11%inclusion23 decks215 decks
3%synergy
Bridgeworks Battle
11%inclusion23 decks215 decks
6%synergy
Open the Way
10%inclusion22 decks215 decks
6%synergy
Regrowth
10%inclusion22 decks215 decks
7%synergy
Shared Roots
10%inclusion14 decks137 decks
4%synergy
Raise the Palisade
9.3%inclusion20 decks215 decks
3%synergy
Rite of Replication
8.8%inclusion19 decks215 decks
2%synergy
Multiversal Recruitment
8.8%inclusion6 decks68 decks
8%synergy
Windfall
7.4%inclusion16 decks215 decks
4%synergy
Fabricate
7.4%inclusion16 decks215 decks
2%synergy
Curse of the Swine
7.4%inclusion16 decks215 decks
-4%synergy
Harmonize
7.4%inclusion16 decks215 decks
2%synergy
Shamanic Revelation
7.4%inclusion16 decks215 decks
3%synergy
Mind into Matter
7.1%inclusion6 decks84 decks
-1%synergy
Ponder
6.5%inclusion14 decks215 decks
-1%synergy
Turntimber Symbiosis
6.5%inclusion14 decks215 decks
4%synergy
Into the North
6.0%inclusion13 decks215 decks
5%synergy
Ezuri's Predation
5.6%inclusion12 decks215 decks
-2%synergy
Eldritch Evolution
5.1%inclusion11 decks215 decks
2%synergy
Last March of the Ents
5.1%inclusion11 decks215 decks
2%synergy
Neoform
5.1%inclusion11 decks215 decks
2%synergy
Preordain
5.1%inclusion11 decks215 decks
-3%synergy
Ravenform
5.1%inclusion11 decks215 decks
2%synergy
Utility Artifacts
Lightning Greaves
44%inclusion94 decks215 decks
24%synergy
Swiftfoot Boots
34%inclusion74 decks215 decks
10%synergy
Helm of the Host
29%inclusion63 decks215 decks
25%synergy
Combine Chrysalis
15%inclusion33 decks215 decks
11%synergy
Mirror Box
13%inclusion29 decks215 decks
11%synergy
Emerald Medallion
13%inclusion29 decks215 decks
10%synergy
Winter Orb
13%inclusion27 decks215 decks
12%synergy
The One Ring
12%inclusion26 decks215 decks
6%synergy
Static Orb
11%inclusion24 decks215 decks
11%synergy
Idol of Oblivion
10%inclusion21 decks215 decks
6%synergy
Coat of Arms
9.3%inclusion20 decks215 decks
8%synergy
The Great Henge
9.3%inclusion20 decks215 decks
-0%synergy
Sapphire Medallion
9.3%inclusion20 decks215 decks
6%synergy
Skullclamp
8.4%inclusion18 decks215 decks
7%synergy
Eldrazi Monument
7.9%inclusion17 decks215 decks
7%synergy
Proteus Staff
6.0%inclusion13 decks215 decks
6%synergy
Enchantments
Tribute to the World Tree
48%inclusion104 decks215 decks
43%synergy
Doubling Season
47%inclusion102 decks215 decks
36%synergy
Mystic Remora
41%inclusion89 decks215 decks
27%synergy
Kindred Discovery
37%inclusion79 decks215 decks
27%synergy
Wild Growth
18%inclusion39 decks215 decks
9%synergy
Growing Rites of Itlimoc
18%inclusion38 decks215 decks
12%synergy
Exploration
17%inclusion37 decks215 decks
5%synergy
Cryptolith Rite
17%inclusion36 decks215 decks
13%synergy
Sylvan Library
17%inclusion36 decks215 decks
8%synergy
Primal Vigor
17%inclusion36 decks215 decks
14%synergy
Utopia Sprawl
16%inclusion35 decks215 decks
10%synergy
Beastmaster Ascension
15%inclusion33 decks215 decks
12%synergy
Propaganda
13%inclusion28 decks215 decks
6%synergy
Kenrith's Transformation
12%inclusion26 decks215 decks
9%synergy
Springleaf Parade
12%inclusion14 decks117 decks
9%synergy
Defense of the Heart
12%inclusion25 decks215 decks
9%synergy
Wilderness Reclamation
11%inclusion24 decks215 decks
2%synergy
Verity Circle
11%inclusion23 decks215 decks
10%synergy
Paradox Haze
11%inclusion23 decks215 decks
10%synergy
Opposition
10%inclusion22 decks215 decks
10%synergy
Imprisoned in the Moon
10%inclusion21 decks215 decks
6%synergy
Garruk's Uprising
9.3%inclusion20 decks215 decks
-8%synergy
Asceticism
8.4%inclusion18 decks215 decks
5%synergy
Burgeoning
7.4%inclusion16 decks215 decks
0%synergy
Dismiss into Dream
7.4%inclusion16 decks215 decks
7%synergy
Impostor Syndrome
6.1%inclusion9 decks147 decks
5%synergy
Unnatural Growth
5.1%inclusion11 decks215 decks
2%synergy
Song of the Dryads
5.1%inclusion11 decks215 decks
4%synergy
Battles
Invasion of Ikoria
5.1%inclusion11 decks215 decks
1%synergy
Invasion of Zendikar
5.1%inclusion11 decks215 decks
4%synergy
Planeswalkers
Oko, Thief of Crowns
38%inclusion82 decks215 decks
32%synergy
Utility Lands
Reliquary Tower
59%inclusion126 decks215 decks
8%synergy
Boseiju, Who Endures
40%inclusion86 decks215 decks
18%synergy
Otawara, Soaring City
34%inclusion73 decks215 decks
15%synergy
Command Beacon
32%inclusion68 decks215 decks
28%synergy
Yavimaya, Cradle of Growth
27%inclusion59 decks215 decks
7%synergy
Mistrise Village
21%inclusion39 decks184 decks
11%synergy
Three Tree City
20%inclusion44 decks215 decks
16%synergy
Mystic Sanctuary
20%inclusion42 decks215 decks
8%synergy
Alchemist's Refuge
18%inclusion39 decks215 decks
-1%synergy
Evendo, Waking Haven
17%inclusion27 decks159 decks
12%synergy
Temple of the False God
16%inclusion35 decks215 decks
0%synergy
Castle Garenbrig
13%inclusion29 decks215 decks
9%synergy
Mosswort Bridge
12%inclusion25 decks215 decks
-5%synergy
Gaea's Cradle
11%inclusion23 decks215 decks
4%synergy
Rogue's Passage
10%inclusion21 decks215 decks
-14%synergy
Urza's Saga
7.4%inclusion16 decks215 decks
3%synergy
Scavenger Grounds
5.6%inclusion12 decks215 decks
2%synergy
Castle Vantress
5.6%inclusion12 decks215 decks
-1%synergy
Mana Artifacts
Sol Ring
93%inclusion201 decks215 decks
14%synergy
Arcane Signet
75%inclusion162 decks215 decks
12%synergy
Talisman of Curiosity
38%inclusion81 decks215 decks
16%synergy
Thought Vessel
37%inclusion79 decks215 decks
17%synergy
Simic Signet
32%inclusion69 decks215 decks
4%synergy
Fellwar Stone
10%inclusion22 decks215 decks
1%synergy
Lotus Petal
6.0%inclusion13 decks215 decks
-0%synergy
Chrome Mox
5.6%inclusion12 decks215 decks
-0%synergy
Commander's Sphere
5.1%inclusion11 decks215 decks
-1%synergy
Thran Dynamo
5.1%inclusion11 decks215 decks
2%synergy
Lands
Command Tower
93%inclusion200 decks215 decks
8%synergy
Forest
92%inclusion198 decks215 decks
-4%synergy
Island
92%inclusion197 decks215 decks
-4%synergy
Breeding Pool
73%inclusion158 decks215 decks
25%synergy
Hinterland Harbor
72%inclusion155 decks215 decks
10%synergy
Rejuvenating Springs
66%inclusion142 decks215 decks
23%synergy
Yavimaya Coast
61%inclusion132 decks215 decks
9%synergy
Dreamroot Cascade
60%inclusion130 decks215 decks
14%synergy
Flooded Grove
52%inclusion111 decks215 decks
8%synergy
Misty Rainforest
48%inclusion103 decks215 decks
17%synergy
Simic Growth Chamber
44%inclusion94 decks215 decks
-1%synergy
Barkchannel Pathway
40%inclusion85 decks215 decks
20%synergy
Waterlogged Grove
34%inclusion73 decks215 decks
15%synergy
Hedge Maze
30%inclusion64 decks215 decks
10%synergy
Vineglimmer Snarl
29%inclusion62 decks215 decks
-11%synergy
Willowrush Verge
26%inclusion52 decks198 decks
7%synergy
Temple of Mystery
26%inclusion56 decks215 decks
-10%synergy
Fabled Passage
25%inclusion53 decks215 decks
6%synergy
Exotic Orchard
23%inclusion50 decks215 decks
-2%synergy
Sink into Stupor
23%inclusion49 decks215 decks
10%synergy
Sodden Verdure
21%inclusion24 decks117 decks
-3%synergy
Prismatic Vista
20%inclusion42 decks215 decks
13%synergy
Myriad Landscape
20%inclusion42 decks215 decks
0%synergy
Overflowing Basin
20%inclusion42 decks215 decks
-2%synergy
Bala Ged Recovery
20%inclusion42 decks215 decks
10%synergy
Tropical Island
19%inclusion41 decks215 decks
4%synergy
Rimewood Falls
16%inclusion34 decks215 decks
9%synergy
Tangled Islet
15%inclusion33 decks215 decks
0%synergy
Botanical Sanctum
15%inclusion32 decks215 decks
2%synergy
Windswept Heath
14%inclusion31 decks215 decks
4%synergy
Sea Gate Restoration
14%inclusion31 decks215 decks
9%synergy
Flooded Strand
14%inclusion31 decks215 decks
3%synergy
Snow-Covered Island
14%inclusion30 decks215 decks
8%synergy
Verdant Catacombs
14%inclusion30 decks215 decks
5%synergy
Snow-Covered Forest
13%inclusion29 decks215 decks
8%synergy
Polluted Delta
13%inclusion28 decks215 decks
3%synergy
Turbulent Wilderness
13%inclusion11 decks87 decks
-4%synergy
Evolving Wilds
12%inclusion25 decks215 decks
-12%synergy
Wooded Foothills
11%inclusion24 decks215 decks
2%synergy
Scalding Tarn
11%inclusion24 decks215 decks
2%synergy
Bridgeworks Battle
11%inclusion23 decks215 decks
6%synergy
Glasspool Mimic
11%inclusion23 decks215 decks
6%synergy
Thornwood Falls
9.3%inclusion20 decks215 decks
-7%synergy
Littjara Mirrorlake
8.8%inclusion19 decks215 decks
6%synergy
Hydroelectric Specimen
8.8%inclusion19 decks215 decks
3%synergy
Disciple of Freyalise
7.9%inclusion17 decks215 decks
3%synergy
Rain-Slicked Copse
7.7%inclusion9 decks117 decks
-3%synergy
Blighted Woodland
6.5%inclusion14 decks215 decks
0%synergy
Terramorphic Expanse
6.5%inclusion14 decks215 decks
-14%synergy
Turntimber Symbiosis
6.5%inclusion14 decks215 decks
4%synergy
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