Koma, Cosmos Serpent (Commander) - Sea Creatures

Alternate Names:

The Monstrous SerpentThe Monstrous Serpent

Koma, Cosmos Serpent
Rank #320
127decks
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Background image for Ten Brutal Cards To Try With The Cloning of Shredder
Levi Perry
Feb 4, 2026
Levi Perry
Ten Brutal Cards To Try With The Cloning of Shredder
The Cloning of Shredder creates three nonlegendary token copies of a card you exile from your graveyard. What are the best ways to break it?
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Sodden Verdure
18%inclusion5 decks28 decks
8%synergy
Rain-Slicked Copse
14%inclusion4 decks28 decks
9%synergy
Harmonized Crescendo
11%inclusion3 decks28 decks
8%synergy
Oko, Lorwyn Liege
7.1%inclusion2 decks28 decks
5%synergy
Springleaf Parade
7.1%inclusion2 decks28 decks
5%synergy
High Synergy Cards
Whelming Wave
89%inclusion113 decks127 decks
78%synergy
Serpent of Yawning Depths
82%inclusion104 decks127 decks
75%synergy
Spawning Kraken
70%inclusion89 decks127 decks
63%synergy
Koma, World-Eater
75%inclusion57 decks76 decks
62%synergy
Junk Winder
67%inclusion85 decks127 decks
60%synergy
Adrix and Nev, Twincasters
69%inclusion87 decks127 decks
60%synergy
Slinn Voda, the Rising Deep
65%inclusion83 decks127 decks
59%synergy
Arixmethes, Slumbering Isle
72%inclusion91 decks127 decks
58%synergy
Aesi, Tyrant of Gyre Strait
76%inclusion96 decks127 decks
58%synergy
Elemental Bond
54%inclusion68 decks127 decks
48%synergy
Top Cards
Cultivate
80%inclusion102 decks127 decks
33%synergy
Kodama's Reach
74%inclusion94 decks127 decks
38%synergy
Rampant Growth
74%inclusion94 decks127 decks
33%synergy
Counterspell
74%inclusion94 decks127 decks
24%synergy
Growth Spiral
69%inclusion87 decks127 decks
23%synergy
Hullbreaker Horror
58%inclusion74 decks127 decks
41%synergy
Beast Within
53%inclusion67 decks127 decks
3%synergy
Farseek
50%inclusion64 decks127 decks
25%synergy
Parallel Lives
49%inclusion62 decks127 decks
43%synergy
Nature's Lore
48%inclusion61 decks127 decks
17%synergy
Game Changers
Cyclonic Rift
39%inclusion49 decks127 decks
14%synergy
Rhystic Study
29%inclusion37 decks127 decks
9%synergy
Fierce Guardianship
22%inclusion28 decks127 decks
6%synergy
Seedborn Muse
12%inclusion15 decks127 decks
-4%synergy
Worldly Tutor
11%inclusion14 decks127 decks
-4%synergy
Consecrated Sphinx
8.7%inclusion11 decks127 decks
0%synergy
Ancient Tomb
7.9%inclusion10 decks127 decks
-1%synergy
Creatures
Stormtide Leviathan
47%inclusion60 decks127 decks
41%synergy
Scourge of Fleets
47%inclusion60 decks127 decks
39%synergy
Xolatoyac, the Smiling Flood
46%inclusion59 decks127 decks
39%synergy
Nadir Kraken
46%inclusion58 decks127 decks
42%synergy
Kiora, Sovereign of the Deep
45%inclusion57 decks127 decks
43%synergy
Summon: Leviathan
41%inclusion17 decks41 decks
34%synergy
Tromokratis
41%inclusion52 decks127 decks
36%synergy
Inkwell Leviathan
41%inclusion52 decks127 decks
37%synergy
Stormsurge Kraken
38%inclusion48 decks127 decks
33%synergy
Nezahal, Primal Tide
37%inclusion47 decks127 decks
26%synergy
Birds of Paradise
35%inclusion44 decks127 decks
8%synergy
Deep-Sea Kraken
34%inclusion43 decks127 decks
31%synergy
Murkfiend Liege
34%inclusion43 decks127 decks
19%synergy
Spark Double
33%inclusion42 decks127 decks
24%synergy
Sword Coast Serpent
33%inclusion42 decks127 decks
31%synergy
Tatyova, Benthic Druid
31%inclusion40 decks127 decks
1%synergy
Simic Sky Swallower
31%inclusion39 decks127 decks
27%synergy
Shipbreaker Kraken
31%inclusion39 decks127 decks
28%synergy
Llanowar Elves
30%inclusion38 decks127 decks
3%synergy
Reef Worm
30%inclusion38 decks127 decks
26%synergy
Sakura-Tribe Elder
29%inclusion37 decks127 decks
10%synergy
Brinelin, the Moon Kraken
28%inclusion36 decks127 decks
24%synergy
Monstrosity of the Lake
28%inclusion35 decks127 decks
25%synergy
Reservoir Kraken
26%inclusion33 decks127 decks
24%synergy
Charix, the Raging Isle
26%inclusion33 decks127 decks
23%synergy
Lorthos, the Tidemaker
26%inclusion33 decks127 decks
23%synergy
Trench Behemoth
26%inclusion33 decks127 decks
23%synergy
The Unagi of Kyoshi Island
26%inclusion8 decks31 decks
20%synergy
The Watcher in the Water
25%inclusion32 decks127 decks
24%synergy
Cryptic Serpent
24%inclusion31 decks127 decks
24%synergy
Breaching Leviathan
23%inclusion29 decks127 decks
21%synergy
Sakashima of a Thousand Faces
23%inclusion29 decks127 decks
18%synergy
Starwinder
21%inclusion8 decks39 decks
14%synergy
Octomancer
20%inclusion21 decks104 decks
15%synergy
Benthic Anomaly
20%inclusion23 decks114 decks
18%synergy
Elvish Mystic
20%inclusion25 decks127 decks
-3%synergy
Craterhoof Behemoth
20%inclusion25 decks127 decks
10%synergy
Archetype of Imagination
20%inclusion25 decks127 decks
15%synergy
Harbor Serpent
19%inclusion24 decks127 decks
19%synergy
Scrapdiver Serpent
19%inclusion24 decks127 decks
19%synergy
Esix, Fractal Bloom
19%inclusion24 decks127 decks
15%synergy
Sakashima the Impostor
19%inclusion24 decks127 decks
16%synergy
Enduring Vitality
18%inclusion17 decks97 decks
10%synergy
Garruk's Packleader
17%inclusion21 decks127 decks
14%synergy
Coiling Oracle
17%inclusion21 decks127 decks
3%synergy
Chameleon, Master of Disguise
16%inclusion6 decks37 decks
14%synergy
Verazol, the Split Current
16%inclusion20 decks127 decks
16%synergy
Mesmerizing Benthid
16%inclusion20 decks127 decks
15%synergy
Tolarian Kraken
15%inclusion19 decks127 decks
14%synergy
Eternal Witness
14%inclusion18 decks127 decks
-6%synergy
Instants
Negate
46%inclusion58 decks127 decks
20%synergy
Simic Charm
35%inclusion45 decks127 decks
28%synergy
Heroic Intervention
35%inclusion44 decks127 decks
4%synergy
Return of the Wildspeaker
35%inclusion44 decks127 decks
24%synergy
Double Major
34%inclusion43 decks127 decks
25%synergy
Arcane Denial
33%inclusion42 decks127 decks
10%synergy
Krosan Grip
27%inclusion34 decks127 decks
19%synergy
Planar Genesis
25%inclusion29 decks114 decks
15%synergy
Second Harvest
25%inclusion32 decks127 decks
19%synergy
Mana Drain
24%inclusion30 decks127 decks
8%synergy
Pongify
21%inclusion27 decks127 decks
-4%synergy
Engulf the Shore
20%inclusion26 decks127 decks
18%synergy
Harrow
20%inclusion25 decks127 decks
8%synergy
Rapid Hybridization
18%inclusion23 decks127 decks
-8%synergy
Return to Nature
18%inclusion23 decks127 decks
13%synergy
Eureka Moment
16%inclusion20 decks127 decks
5%synergy
An Offer You Can't Refuse
15%inclusion19 decks127 decks
-8%synergy
Aetherize
14%inclusion18 decks127 decks
2%synergy
Swan Song
14%inclusion18 decks127 decks
-4%synergy
Brainstorm
13%inclusion17 decks127 decks
-1%synergy
Reality Shift
13%inclusion16 decks127 decks
-2%synergy
Nature's Claim
12%inclusion15 decks127 decks
2%synergy
Plasm Capture
11%inclusion14 decks127 decks
8%synergy
Snakeskin Veil
9.4%inclusion12 decks127 decks
4%synergy
Decisive Denial
7.9%inclusion10 decks127 decks
3%synergy
Archdruid's Charm
7.9%inclusion10 decks127 decks
2%synergy
Pact of Negation
7.9%inclusion10 decks127 decks
1%synergy
Sink into Stupor
7.8%inclusion9 decks116 decks
-4%synergy
Mystic Reflection
7.1%inclusion9 decks127 decks
5%synergy
Voidslime
7.1%inclusion9 decks127 decks
2%synergy
Stubborn Denial
6.3%inclusion8 decks127 decks
4%synergy
Tamiyo's Safekeeping
6.3%inclusion8 decks127 decks
1%synergy
High Tide
6.3%inclusion8 decks127 decks
4%synergy
Collective Resistance
6.0%inclusion7 decks116 decks
3%synergy
Tyvar's Stand
5.5%inclusion7 decks127 decks
3%synergy
Entish Restoration
5.5%inclusion7 decks127 decks
-4%synergy
Sorceries
Three Visits
39%inclusion50 decks127 decks
16%synergy
Irenicus's Vile Duplication
39%inclusion50 decks127 decks
33%synergy
Explore
32%inclusion41 decks127 decks
12%synergy
Urban Evolution
29%inclusion37 decks127 decks
20%synergy
Skyshroud Claim
28%inclusion36 decks127 decks
19%synergy
Overwhelming Stampede
19%inclusion24 decks127 decks
6%synergy
Crush of Tentacles
18%inclusion23 decks127 decks
17%synergy
Rite of Replication
17%inclusion21 decks127 decks
9%synergy
Quantum Misalignment
15%inclusion19 decks127 decks
12%synergy
Migration Path
13%inclusion17 decks127 decks
10%synergy
Last March of the Ents
11%inclusion14 decks127 decks
8%synergy
Harmonize
11%inclusion14 decks127 decks
5%synergy
Search for Tomorrow
11%inclusion14 decks127 decks
7%synergy
Shamanic Revelation
10%inclusion13 decks127 decks
5%synergy
Rishkar's Expertise
10%inclusion13 decks127 decks
2%synergy
Explosive Vegetation
8.7%inclusion11 decks127 decks
3%synergy
Ponder
7.9%inclusion10 decks127 decks
1%synergy
Doppelgang
7.1%inclusion9 decks127 decks
1%synergy
Ember Island Production
6.5%inclusion2 decks31 decks
6%synergy
Tempt with Discovery
6.3%inclusion8 decks127 decks
2%synergy
Sea Gate Restoration
6.3%inclusion8 decks127 decks
1%synergy
Bala Ged Recovery
6.3%inclusion8 decks127 decks
-4%synergy
Windfall
5.5%inclusion7 decks127 decks
2%synergy
Curse of the Swine
5.5%inclusion7 decks127 decks
-5%synergy
Broken Bond
5.5%inclusion7 decks127 decks
1%synergy
Distant Melody
5.5%inclusion7 decks127 decks
2%synergy
Preposterous Proportions
5.4%inclusion4 decks74 decks
4%synergy
Utility Artifacts
Swiftfoot Boots
42%inclusion53 decks127 decks
16%synergy
Helm of the Host
32%inclusion41 decks127 decks
27%synergy
Lightning Greaves
29%inclusion37 decks127 decks
9%synergy
Kefnet's Monument
28%inclusion36 decks127 decks
27%synergy
Combine Chrysalis
17%inclusion21 decks127 decks
12%synergy
Sapphire Medallion
16%inclusion20 decks127 decks
12%synergy
The Great Henge
11%inclusion14 decks127 decks
2%synergy
Emerald Medallion
10%inclusion13 decks127 decks
7%synergy
Mirror Box
9.4%inclusion12 decks127 decks
6%synergy
Urza's Incubator
9.4%inclusion12 decks127 decks
8%synergy
Monster Manual
8.7%inclusion11 decks127 decks
7%synergy
Bident of Thassa
8.7%inclusion11 decks127 decks
1%synergy
Rhonas's Monument
7.9%inclusion10 decks127 decks
7%synergy
Herald's Horn
7.1%inclusion9 decks127 decks
3%synergy
Coat of Arms
6.3%inclusion8 decks127 decks
5%synergy
Idol of Oblivion
6.3%inclusion8 decks127 decks
3%synergy
Enchantments
Garruk's Uprising
41%inclusion52 decks127 decks
24%synergy
Tribute to the World Tree
39%inclusion49 decks127 decks
32%synergy
Quest for Ula's Temple
32%inclusion41 decks127 decks
30%synergy
Doubling Season
31%inclusion39 decks127 decks
21%synergy
Ominous Seas
31%inclusion39 decks127 decks
27%synergy
Kindred Discovery
24%inclusion30 decks127 decks
14%synergy
Kiora Bests the Sea God
19%inclusion24 decks127 decks
17%synergy
Mystic Remora
16%inclusion20 decks127 decks
1%synergy
Impostor Syndrome
14%inclusion5 decks37 decks
12%synergy
Unnatural Growth
13%inclusion17 decks127 decks
10%synergy
Khalni Heart Expedition
10%inclusion13 decks127 decks
6%synergy
Utopia Sprawl
9.4%inclusion12 decks127 decks
3%synergy
Beastmaster Ascension
9.4%inclusion12 decks127 decks
6%synergy
Exploration
8.7%inclusion11 decks127 decks
-5%synergy
Wilderness Reclamation
8.7%inclusion11 decks127 decks
0%synergy
Cryptolith Rite
7.9%inclusion10 decks127 decks
5%synergy
Up the Beanstalk
7.9%inclusion10 decks127 decks
4%synergy
Sylvan Library
7.9%inclusion10 decks127 decks
-1%synergy
Primal Vigor
7.9%inclusion10 decks127 decks
5%synergy
Defense of the Heart
7.9%inclusion10 decks127 decks
6%synergy
Paradox Haze
7.9%inclusion10 decks127 decks
8%synergy
Reflections of Littjara
7.1%inclusion9 decks127 decks
-1%synergy
Burgeoning
6.3%inclusion8 decks127 decks
-1%synergy
Levitation
6.3%inclusion8 decks127 decks
6%synergy
Bounty of the Luxa
6.3%inclusion8 decks127 decks
5%synergy
Growing Rites of Itlimoc
6.3%inclusion8 decks127 decks
0%synergy
Wild Growth
5.5%inclusion7 decks127 decks
-3%synergy
Propaganda
5.5%inclusion7 decks127 decks
-1%synergy
Dismiss into Dream
5.5%inclusion7 decks127 decks
5%synergy
Colossal Majesty
5.5%inclusion7 decks127 decks
4%synergy
Moonlit Meditation
5.1%inclusion2 decks39 decks
4%synergy
Battles
Invasion of Segovia
10%inclusion13 decks127 decks
10%synergy
Planeswalkers
Kiora, the Crashing Wave
24%inclusion31 decks127 decks
22%synergy
Kiora, Master of the Depths
8.7%inclusion11 decks127 decks
6%synergy
Kiora, Behemoth Beckoner
7.9%inclusion10 decks127 decks
2%synergy
Oko, Thief of Crowns
7.1%inclusion9 decks127 decks
0%synergy
Utility Lands
Reliquary Tower
67%inclusion85 decks127 decks
17%synergy
Mosswort Bridge
29%inclusion37 decks127 decks
11%synergy
Temple of the False God
29%inclusion37 decks127 decks
14%synergy
Yavimaya, Cradle of Growth
22%inclusion28 decks127 decks
1%synergy
Rogue's Passage
18%inclusion23 decks127 decks
-4%synergy
Evendo, Waking Haven
18%inclusion7 decks40 decks
12%synergy
Boseiju, Who Endures
17%inclusion21 decks127 decks
-5%synergy
Mystic Sanctuary
16%inclusion20 decks127 decks
3%synergy
Mistrise Village
15%inclusion7 decks46 decks
5%synergy
Three Tree City
11%inclusion12 decks107 decks
6%synergy
Otawara, Soaring City
11%inclusion14 decks127 decks
-7%synergy
Coral Atoll
10%inclusion13 decks127 decks
8%synergy
Dark Depths
10%inclusion13 decks127 decks
3%synergy
Castle Vantress
9.4%inclusion12 decks127 decks
3%synergy
Castle Garenbrig
9.4%inclusion12 decks127 decks
5%synergy
Command Beacon
9.4%inclusion12 decks127 decks
6%synergy
Alchemist's Refuge
7.9%inclusion10 decks127 decks
-9%synergy
Restless Vinestalk
5.5%inclusion7 decks127 decks
0%synergy
Bonders' Enclave
5.5%inclusion7 decks127 decks
4%synergy
Mana Artifacts
Sol Ring
93%inclusion118 decks127 decks
13%synergy
Arcane Signet
80%inclusion102 decks127 decks
17%synergy
Simic Signet
45%inclusion57 decks127 decks
13%synergy
Thought Vessel
30%inclusion38 decks127 decks
10%synergy
Talisman of Curiosity
24%inclusion31 decks127 decks
3%synergy
Commander's Sphere
13%inclusion17 decks127 decks
6%synergy
Decanter of Endless Water
10%inclusion13 decks127 decks
5%synergy
Thran Dynamo
9.4%inclusion12 decks127 decks
6%synergy
Bender's Waterskin
5.4%inclusion2 decks37 decks
4%synergy
Lands
Island
91%inclusion116 decks127 decks
-4%synergy
Forest
91%inclusion116 decks127 decks
-4%synergy
Command Tower
89%inclusion113 decks127 decks
4%synergy
Hinterland Harbor
67%inclusion85 decks127 decks
7%synergy
Simic Growth Chamber
63%inclusion80 decks127 decks
15%synergy
Dreamroot Cascade
50%inclusion63 decks127 decks
6%synergy
Temple of Mystery
48%inclusion61 decks127 decks
10%synergy
Rejuvenating Springs
48%inclusion61 decks127 decks
5%synergy
Breeding Pool
46%inclusion58 decks127 decks
-1%synergy
Flooded Grove
41%inclusion52 decks127 decks
-1%synergy
Yavimaya Coast
35%inclusion45 decks127 decks
-17%synergy
Barkchannel Pathway
34%inclusion43 decks127 decks
14%synergy
Vineglimmer Snarl
31%inclusion40 decks127 decks
-7%synergy
Thornwood Falls
30%inclusion38 decks127 decks
12%synergy
Myriad Landscape
28%inclusion36 decks127 decks
7%synergy
Evolving Wilds
28%inclusion36 decks127 decks
3%synergy
Willowrush Verge
27%inclusion14 decks52 decks
10%synergy
Tangled Islet
27%inclusion34 decks127 decks
11%synergy
Misty Rainforest
24%inclusion31 decks127 decks
-6%synergy
Exotic Orchard
20%inclusion26 decks127 decks
-3%synergy
Terramorphic Expanse
18%inclusion23 decks127 decks
-2%synergy
Rimewood Falls
17%inclusion22 decks127 decks
9%synergy
Waterlogged Grove
14%inclusion18 decks127 decks
-6%synergy
Overflowing Basin
14%inclusion18 decks127 decks
-6%synergy
Tropical Island
14%inclusion18 decks127 decks
0%synergy
Hedge Maze
13%inclusion17 decks127 decks
-6%synergy
Path of Ancestry
13%inclusion17 decks127 decks
-4%synergy
Snow-Covered Forest
13%inclusion16 decks127 decks
6%synergy
Snow-Covered Island
12%inclusion15 decks127 decks
6%synergy
Botanical Sanctum
10%inclusion13 decks127 decks
-3%synergy
Blighted Woodland
9.4%inclusion12 decks127 decks
2%synergy
Woodland Stream
9.4%inclusion12 decks127 decks
4%synergy
Simic Guildgate
8.7%inclusion11 decks127 decks
-2%synergy
Sink into Stupor
7.8%inclusion9 decks116 decks
-4%synergy
Fabled Passage
7.1%inclusion9 decks127 decks
-8%synergy
Littjara Mirrorlake
7.1%inclusion9 decks127 decks
3%synergy
Lush Oasis
6.3%inclusion8 decks126 decks
1%synergy
Cavern of Souls
6.3%inclusion8 decks127 decks
1%synergy
Sea Gate Restoration
6.3%inclusion8 decks127 decks
1%synergy
Glasspool Mimic
6.3%inclusion8 decks127 decks
2%synergy
Bala Ged Recovery
6.3%inclusion8 decks127 decks
-4%synergy
Quandrix Campus
5.5%inclusion7 decks127 decks
-1%synergy
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