Koma, Cosmos Serpent (Commander) - Aggro

Alternate Names:

The Monstrous SerpentThe Monstrous Serpent

Koma, Cosmos Serpent
Rank #324
28decks
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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Irma, Part-Time Mutant
20%inclusion1 decks5 decks
17%synergy
High Synergy Cards
Elemental Bond
82%inclusion23 decks28 decks
76%synergy
Parallel Lives
82%inclusion23 decks28 decks
76%synergy
Whelming Wave
86%inclusion24 decks28 decks
75%synergy
Adrix and Nev, Twincasters
75%inclusion21 decks28 decks
66%synergy
Spark Double
71%inclusion20 decks28 decks
62%synergy
Serpent of Yawning Depths
68%inclusion19 decks28 decks
61%synergy
Second Harvest
64%inclusion18 decks28 decks
58%synergy
Junk Winder
61%inclusion17 decks28 decks
54%synergy
Doubling Season
61%inclusion17 decks28 decks
51%synergy
Koma, World-Eater
60%inclusion15 decks25 decks
47%synergy
Top Cards
Cultivate
79%inclusion22 decks28 decks
32%synergy
Rampant Growth
75%inclusion21 decks28 decks
35%synergy
Counterspell
71%inclusion20 decks28 decks
22%synergy
Heroic Intervention
64%inclusion18 decks28 decks
34%synergy
Kodama's Reach
61%inclusion17 decks28 decks
25%synergy
Lightning Greaves
61%inclusion17 decks28 decks
40%synergy
Kindred Discovery
54%inclusion15 decks28 decks
44%synergy
Beast Within
54%inclusion15 decks28 decks
4%synergy
Aesi, Tyrant of Gyre Strait
50%inclusion14 decks28 decks
32%synergy
Irenicus's Vile Duplication
50%inclusion14 decks28 decks
44%synergy
Game Changers
Seedborn Muse
43%inclusion12 decks28 decks
27%synergy
Cyclonic Rift
43%inclusion12 decks28 decks
19%synergy
Fierce Guardianship
25%inclusion7 decks28 decks
9%synergy
Worldly Tutor
25%inclusion7 decks28 decks
11%synergy
Ancient Tomb
21%inclusion6 decks28 decks
13%synergy
Consecrated Sphinx
21%inclusion6 decks28 decks
13%synergy
Rhystic Study
21%inclusion6 decks28 decks
1%synergy
Mystical Tutor
21%inclusion6 decks28 decks
13%synergy
Crop Rotation
14%inclusion4 decks28 decks
2%synergy
Gaea's Cradle
14%inclusion4 decks28 decks
8%synergy
Creatures
Murkfiend Liege
46%inclusion13 decks28 decks
32%synergy
Sakashima of a Thousand Faces
46%inclusion13 decks28 decks
41%synergy
Spawning Kraken
46%inclusion13 decks28 decks
39%synergy
Arixmethes, Slumbering Isle
43%inclusion12 decks28 decks
29%synergy
Birds of Paradise
43%inclusion12 decks28 decks
16%synergy
Summon: Leviathan
41%inclusion7 decks17 decks
34%synergy
Garruk's Packleader
39%inclusion11 decks28 decks
37%synergy
Llanowar Elves
39%inclusion11 decks28 decks
12%synergy
Craterhoof Behemoth
39%inclusion11 decks28 decks
29%synergy
Elvish Mystic
36%inclusion10 decks28 decks
13%synergy
Ohran Frostfang
36%inclusion10 decks28 decks
32%synergy
Sakashima the Impostor
32%inclusion9 decks28 decks
30%synergy
Tatyova, Benthic Druid
29%inclusion8 decks28 decks
-2%synergy
Archetype of Imagination
29%inclusion8 decks28 decks
24%synergy
Hullbreaker Horror
29%inclusion8 decks28 decks
11%synergy
Sakura-Tribe Elder
29%inclusion8 decks28 decks
9%synergy
Fanatic of Rhonas
26%inclusion7 decks27 decks
20%synergy
Eternal Witness
25%inclusion7 decks28 decks
5%synergy
Roaming Throne
25%inclusion7 decks28 decks
17%synergy
Enduring Vitality
24%inclusion6 decks25 decks
16%synergy
Slinn Voda, the Rising Deep
21%inclusion6 decks28 decks
15%synergy
Fyndhorn Elves
21%inclusion6 decks28 decks
7%synergy
Loot, Exuberant Explorer
20%inclusion5 decks25 decks
13%synergy
Chameleon, Master of Disguise
20%inclusion3 decks15 decks
18%synergy
Ouroboroid
19%inclusion3 decks16 decks
15%synergy
Toski, Bearer of Secrets
18%inclusion5 decks28 decks
15%synergy
Delighted Halfling
18%inclusion5 decks28 decks
7%synergy
Octomancer
15%inclusion4 decks27 decks
10%synergy
Solemn Simulacrum
14%inclusion4 decks28 decks
8%synergy
Curiosity Crafter
14%inclusion4 decks28 decks
11%synergy
Phyrexian Metamorph
14%inclusion4 decks28 decks
6%synergy
Saryth, the Viper's Fang
14%inclusion4 decks28 decks
13%synergy
Coiling Oracle
14%inclusion4 decks28 decks
1%synergy
Esix, Fractal Bloom
14%inclusion4 decks28 decks
11%synergy
Gala Greeters
14%inclusion4 decks28 decks
13%synergy
Clever Impersonator
14%inclusion4 decks28 decks
9%synergy
Guardian Augmenter
14%inclusion4 decks28 decks
13%synergy
Reef Worm
14%inclusion4 decks28 decks
11%synergy
The Unagi of Kyoshi Island
14%inclusion2 decks14 decks
9%synergy
Starwinder
13%inclusion2 decks16 decks
6%synergy
Enduring Curiosity
12%inclusion3 decks25 decks
9%synergy
Hydroelectric Specimen
11%inclusion3 decks27 decks
5%synergy
Troyan, Gutsy Explorer
11%inclusion3 decks28 decks
7%synergy
Circle of Dreams Druid
11%inclusion3 decks28 decks
9%synergy
Kiora's Follower
11%inclusion3 decks28 decks
-3%synergy
Arbor Elf
11%inclusion3 decks28 decks
5%synergy
Sphinx of the Second Sun
11%inclusion3 decks28 decks
9%synergy
Archetype of Endurance
11%inclusion3 decks28 decks
9%synergy
Auton Soldier
11%inclusion3 decks28 decks
8%synergy
Geode Golem
11%inclusion3 decks28 decks
10%synergy
Instants
Double Major
43%inclusion12 decks28 decks
34%synergy
Rapid Hybridization
39%inclusion11 decks28 decks
13%synergy
An Offer You Can't Refuse
39%inclusion11 decks28 decks
16%synergy
Negate
39%inclusion11 decks28 decks
14%synergy
Return of the Wildspeaker
36%inclusion10 decks28 decks
25%synergy
Growth Spiral
36%inclusion10 decks28 decks
-10%synergy
Arcane Denial
36%inclusion10 decks28 decks
13%synergy
Pongify
32%inclusion9 decks28 decks
7%synergy
Mana Drain
32%inclusion9 decks28 decks
17%synergy
Brainstorm
25%inclusion7 decks28 decks
11%synergy
Nature's Claim
25%inclusion7 decks28 decks
16%synergy
Tamiyo's Safekeeping
25%inclusion7 decks28 decks
20%synergy
Swan Song
21%inclusion6 decks28 decks
3%synergy
Harmonized Crescendo
20%inclusion2 decks10 decks
18%synergy
Snakeskin Veil
18%inclusion5 decks28 decks
12%synergy
Krosan Grip
18%inclusion5 decks28 decks
11%synergy
Harrow
18%inclusion5 decks28 decks
6%synergy
Mizzium Skin
14%inclusion4 decks28 decks
14%synergy
Force of Vigor
14%inclusion4 decks28 decks
10%synergy
Reality Shift
14%inclusion4 decks28 decks
0%synergy
Aetherize
14%inclusion4 decks28 decks
2%synergy
Slip Out the Back
14%inclusion4 decks28 decks
11%synergy
Force of Will
14%inclusion4 decks28 decks
5%synergy
Voidslime
14%inclusion4 decks28 decks
9%synergy
Simic Charm
14%inclusion4 decks28 decks
7%synergy
Planar Genesis
11%inclusion3 decks27 decks
0%synergy
Frantic Search
11%inclusion3 decks28 decks
5%synergy
Mindbreak Trap
11%inclusion3 decks28 decks
6%synergy
Entish Restoration
11%inclusion3 decks28 decks
1%synergy
Noxious Revival
11%inclusion3 decks28 decks
5%synergy
Cackling Counterpart
11%inclusion3 decks28 decks
7%synergy
Flare of Denial
7.4%inclusion2 decks27 decks
4%synergy
Collective Resistance
7.4%inclusion2 decks27 decks
4%synergy
Muddle the Mixture
7.1%inclusion2 decks28 decks
3%synergy
Plasm Capture
7.1%inclusion2 decks28 decks
4%synergy
Archdruid's Charm
7.1%inclusion2 decks28 decks
1%synergy
Tyvar's Stand
7.1%inclusion2 decks28 decks
4%synergy
Mystic Reflection
7.1%inclusion2 decks28 decks
5%synergy
Repulsive Mutation
7.1%inclusion2 decks28 decks
2%synergy
Chord of Calling
7.1%inclusion2 decks28 decks
0%synergy
Reweave
7.1%inclusion2 decks28 decks
7%synergy
Resculpt
7.1%inclusion2 decks28 decks
2%synergy
Perplexing Test
7.1%inclusion2 decks28 decks
2%synergy
Flusterstorm
7.1%inclusion2 decks28 decks
1%synergy
Disallow
7.1%inclusion2 decks28 decks
5%synergy
Filter Out
7.1%inclusion2 decks28 decks
5%synergy
Rewind
7.1%inclusion2 decks28 decks
4%synergy
Obscuring Haze
7.1%inclusion2 decks28 decks
5%synergy
Miscast
7.1%inclusion2 decks28 decks
6%synergy
Hide on the Ceiling
6.7%inclusion1 decks15 decks
6%synergy
Sorceries
Nature's Lore
43%inclusion12 decks28 decks
12%synergy
Farseek
39%inclusion11 decks28 decks
13%synergy
Three Visits
36%inclusion10 decks28 decks
12%synergy
Quantum Misalignment
32%inclusion9 decks28 decks
29%synergy
Triumph of the Hordes
32%inclusion9 decks28 decks
29%synergy
Skyshroud Claim
25%inclusion7 decks28 decks
16%synergy
Overwhelming Stampede
25%inclusion7 decks28 decks
13%synergy
Finale of Devastation
21%inclusion6 decks28 decks
10%synergy
Explore
21%inclusion6 decks28 decks
1%synergy
Bala Ged Recovery
21%inclusion6 decks28 decks
11%synergy
Shamanic Revelation
18%inclusion5 decks28 decks
13%synergy
Migration Path
18%inclusion5 decks28 decks
15%synergy
Green Sun's Zenith
14%inclusion4 decks28 decks
6%synergy
Fabricate
14%inclusion4 decks28 decks
8%synergy
Distant Melody
14%inclusion4 decks28 decks
11%synergy
River's Rebuke
14%inclusion4 decks28 decks
12%synergy
Rite of Replication
14%inclusion4 decks28 decks
7%synergy
Shared Roots
14%inclusion2 decks14 decks
10%synergy
Last March of the Ents
11%inclusion3 decks28 decks
7%synergy
Rally the Galadhrim
11%inclusion3 decks28 decks
9%synergy
Regrowth
11%inclusion3 decks28 decks
7%synergy
Raise the Palisade
11%inclusion3 decks28 decks
4%synergy
Glimpse the Core
11%inclusion3 decks28 decks
10%synergy
Polymorph
7.1%inclusion2 decks28 decks
7%synergy
Traverse the Outlands
7.1%inclusion2 decks28 decks
3%synergy
Flare of Cultivation
7.1%inclusion2 decks28 decks
5%synergy
Oversimplify
7.1%inclusion2 decks28 decks
3%synergy
Neoform
7.1%inclusion2 decks28 decks
4%synergy
Tempt with Discovery
7.1%inclusion2 decks28 decks
3%synergy
Quasiduplicate
7.1%inclusion2 decks28 decks
5%synergy
Search for Tomorrow
7.1%inclusion2 decks28 decks
3%synergy
Explosive Vegetation
7.1%inclusion2 decks28 decks
1%synergy
Doppelgang
7.1%inclusion2 decks28 decks
0%synergy
Ezuri's Predation
7.1%inclusion2 decks28 decks
0%synergy
Body of Research
7.1%inclusion2 decks28 decks
5%synergy
Utility Artifacts
Helm of the Host
36%inclusion10 decks28 decks
30%synergy
Swiftfoot Boots
36%inclusion10 decks28 decks
11%synergy
Mirror Box
21%inclusion6 decks28 decks
18%synergy
Emerald Medallion
21%inclusion6 decks28 decks
18%synergy
Combine Chrysalis
18%inclusion5 decks28 decks
14%synergy
Eldrazi Monument
18%inclusion5 decks28 decks
17%synergy
Coat of Arms
14%inclusion4 decks28 decks
13%synergy
Bident of Thassa
14%inclusion4 decks28 decks
7%synergy
Ashnod's Altar
11%inclusion3 decks28 decks
10%synergy
Monster Manual
11%inclusion3 decks28 decks
9%synergy
The Great Henge
11%inclusion3 decks28 decks
1%synergy
Mirrormind Crown
10%inclusion1 decks10 decks
9%synergy
Sensei's Divining Top
7.1%inclusion2 decks28 decks
3%synergy
The One Ring
7.1%inclusion2 decks28 decks
0%synergy
Phyrexian Altar
7.1%inclusion2 decks28 decks
7%synergy
Proteus Staff
7.1%inclusion2 decks28 decks
7%synergy
Idol of Oblivion
7.1%inclusion2 decks28 decks
4%synergy
Sapphire Medallion
7.1%inclusion2 decks28 decks
4%synergy
Enchantments
Tribute to the World Tree
39%inclusion11 decks28 decks
33%synergy
Cryptolith Rite
32%inclusion9 decks28 decks
29%synergy
Primal Vigor
32%inclusion9 decks28 decks
29%synergy
Exploration
29%inclusion8 decks28 decks
15%synergy
Mystic Remora
29%inclusion8 decks28 decks
14%synergy
Beastmaster Ascension
25%inclusion7 decks28 decks
22%synergy
Growing Rites of Itlimoc
21%inclusion6 decks28 decks
16%synergy
Springleaf Parade
20%inclusion2 decks10 decks
17%synergy
Garruk's Uprising
18%inclusion5 decks28 decks
1%synergy
Opposition
18%inclusion5 decks28 decks
18%synergy
Unnatural Growth
14%inclusion4 decks28 decks
11%synergy
Paradox Haze
14%inclusion4 decks28 decks
14%synergy
Utopia Sprawl
11%inclusion3 decks28 decks
4%synergy
Wilderness Reclamation
11%inclusion3 decks28 decks
2%synergy
Burgeoning
11%inclusion3 decks28 decks
4%synergy
Defense of the Heart
11%inclusion3 decks28 decks
8%synergy
Propaganda
11%inclusion3 decks28 decks
4%synergy
Unstoppable Plan
8.7%inclusion2 decks23 decks
7%synergy
Mirror Room // Fractured Realm
8.0%inclusion2 decks25 decks
7%synergy
Verity Circle
7.1%inclusion2 decks28 decks
7%synergy
Quest for Ula's Temple
7.1%inclusion2 decks28 decks
5%synergy
Simic Ascendancy
7.1%inclusion2 decks28 decks
-6%synergy
Ominous Seas
7.1%inclusion2 decks28 decks
3%synergy
Wild Growth
7.1%inclusion2 decks28 decks
-2%synergy
Followed Footsteps
7.1%inclusion2 decks28 decks
7%synergy
Sylvan Library
7.1%inclusion2 decks28 decks
-1%synergy
Leyline of Anticipation
7.1%inclusion2 decks28 decks
3%synergy
Dismiss into Dream
7.1%inclusion2 decks28 decks
7%synergy
Quest for Renewal
7.1%inclusion2 decks28 decks
5%synergy
Death's Presence
7.1%inclusion2 decks28 decks
7%synergy
Court of Bounty
7.1%inclusion2 decks28 decks
6%synergy
Overgrowth
7.1%inclusion2 decks28 decks
6%synergy
Shielding Plax
7.1%inclusion2 decks28 decks
5%synergy
Impostor Syndrome
6.7%inclusion1 decks15 decks
5%synergy
Terrasymbiosis
6.3%inclusion1 decks16 decks
1%synergy
Loading Zone
6.3%inclusion1 decks16 decks
4%synergy
Planeswalkers
Oko, Thief of Crowns
32%inclusion9 decks28 decks
25%synergy
Vivien Reid
7.1%inclusion2 decks28 decks
5%synergy
Teferi, Master of Time
7.1%inclusion2 decks28 decks
6%synergy
Utility Lands
Reliquary Tower
68%inclusion19 decks28 decks
18%synergy
Evendo, Waking Haven
44%inclusion7 decks16 decks
39%synergy
Command Beacon
36%inclusion10 decks28 decks
32%synergy
Boseiju, Who Endures
29%inclusion8 decks28 decks
7%synergy
Otawara, Soaring City
29%inclusion8 decks28 decks
10%synergy
Temple of the False God
25%inclusion7 decks28 decks
9%synergy
Yavimaya, Cradle of Growth
21%inclusion6 decks28 decks
0%synergy
Mistrise Village
21%inclusion4 decks19 decks
10%synergy
Three Tree City
19%inclusion5 decks27 decks
14%synergy
Mystic Sanctuary
18%inclusion5 decks28 decks
6%synergy
Rogue's Passage
18%inclusion5 decks28 decks
-4%synergy
Alchemist's Refuge
14%inclusion4 decks28 decks
-3%synergy
Restless Vinestalk
11%inclusion3 decks28 decks
6%synergy
Urza's Saga
11%inclusion3 decks28 decks
6%synergy
Mosswort Bridge
11%inclusion3 decks28 decks
-7%synergy
Coral Atoll
7.1%inclusion2 decks28 decks
5%synergy
Mirrorpool
7.1%inclusion2 decks28 decks
6%synergy
Scavenger Grounds
7.1%inclusion2 decks28 decks
3%synergy
Emergence Zone
7.1%inclusion2 decks28 decks
3%synergy
Nykthos, Shrine to Nyx
7.1%inclusion2 decks28 decks
4%synergy
Castle Garenbrig
7.1%inclusion2 decks28 decks
3%synergy
Secret Tunnel
7.1%inclusion1 decks14 decks
5%synergy
Balamb Garden, SeeD Academy
6.3%inclusion1 decks16 decks
5%synergy
Mana Artifacts
Sol Ring
96%inclusion27 decks28 decks
16%synergy
Arcane Signet
75%inclusion21 decks28 decks
12%synergy
Thought Vessel
43%inclusion12 decks28 decks
23%synergy
Talisman of Curiosity
36%inclusion10 decks28 decks
14%synergy
Simic Signet
29%inclusion8 decks28 decks
-2%synergy
Fellwar Stone
18%inclusion5 decks28 decks
8%synergy
Decanter of Endless Water
14%inclusion4 decks28 decks
10%synergy
Chromatic Lantern
11%inclusion3 decks28 decks
9%synergy
Mana Vault
7.1%inclusion2 decks28 decks
1%synergy
Ring of the Lucii
6.3%inclusion1 decks16 decks
6%synergy
Herd Heirloom
5.6%inclusion1 decks18 decks
3%synergy
Lands
Island
93%inclusion26 decks28 decks
-3%synergy
Forest
93%inclusion26 decks28 decks
-3%synergy
Command Tower
86%inclusion24 decks28 decks
1%synergy
Hinterland Harbor
79%inclusion22 decks28 decks
18%synergy
Breeding Pool
57%inclusion16 decks28 decks
10%synergy
Yavimaya Coast
57%inclusion16 decks28 decks
5%synergy
Rejuvenating Springs
57%inclusion16 decks28 decks
14%synergy
Dreamroot Cascade
50%inclusion14 decks28 decks
6%synergy
Misty Rainforest
39%inclusion11 decks28 decks
8%synergy
Temple of Mystery
39%inclusion11 decks28 decks
2%synergy
Flooded Grove
39%inclusion11 decks28 decks
-3%synergy
Simic Growth Chamber
36%inclusion10 decks28 decks
-12%synergy
Vineglimmer Snarl
36%inclusion10 decks28 decks
-3%synergy
Waterlogged Grove
32%inclusion9 decks28 decks
12%synergy
Myriad Landscape
29%inclusion8 decks28 decks
7%synergy
Fabled Passage
25%inclusion7 decks28 decks
10%synergy
Exotic Orchard
25%inclusion7 decks28 decks
1%synergy
Tangled Islet
25%inclusion7 decks28 decks
9%synergy
Overflowing Basin
25%inclusion7 decks28 decks
4%synergy
Evolving Wilds
25%inclusion7 decks28 decks
0%synergy
Bala Ged Recovery
21%inclusion6 decks28 decks
11%synergy
Barkchannel Pathway
18%inclusion5 decks28 decks
-2%synergy
Path of Ancestry
18%inclusion5 decks28 decks
1%synergy
Hedge Maze
18%inclusion5 decks28 decks
-2%synergy
Prismatic Vista
14%inclusion4 decks28 decks
7%synergy
Terramorphic Expanse
14%inclusion4 decks28 decks
-5%synergy
Littjara Mirrorlake
14%inclusion4 decks28 decks
11%synergy
Tropical Island
14%inclusion4 decks28 decks
0%synergy
Botanical Sanctum
14%inclusion4 decks28 decks
1%synergy
Rimewood Falls
14%inclusion4 decks28 decks
6%synergy
Willowrush Verge
13%inclusion3 decks23 decks
-5%synergy
Hydroelectric Specimen
11%inclusion3 decks27 decks
5%synergy
Windswept Heath
11%inclusion3 decks28 decks
1%synergy
Wooded Foothills
11%inclusion3 decks28 decks
2%synergy
Reflecting Pool
11%inclusion3 decks28 decks
8%synergy
Glasspool Mimic
11%inclusion3 decks28 decks
6%synergy
Mana Confluence
11%inclusion3 decks28 decks
5%synergy
Simic Guildgate
11%inclusion3 decks28 decks
1%synergy
City of Brass
11%inclusion3 decks28 decks
5%synergy
Rain-Slicked Copse
10%inclusion1 decks10 decks
3%synergy
Disciple of Freyalise
7.4%inclusion2 decks27 decks
2%synergy
Escape Tunnel
7.1%inclusion2 decks28 decks
4%synergy
Blighted Woodland
7.1%inclusion2 decks28 decks
0%synergy
Tanglepool Bridge
7.1%inclusion2 decks28 decks
2%synergy
Snow-Covered Island
7.1%inclusion2 decks28 decks
1%synergy
Snow-Covered Forest
7.1%inclusion2 decks28 decks
1%synergy
Lush Oasis
7.1%inclusion2 decks28 decks
1%synergy
Gemstone Caverns
7.1%inclusion2 decks28 decks
2%synergy
Scalding Tarn
7.1%inclusion2 decks28 decks
-2%synergy
Guadosalam, Farplane Gateway
6.3%inclusion1 decks16 decks
5%synergy
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