Koma, Cosmos Serpent (Commander) - Budget Clones

Alternate Names:

The Monstrous SerpentThe Monstrous Serpent

Koma, Cosmos Serpent
Rank #304
28decks
As CommanderAs CardAverage DeckDecks
Bracket
All12345
Budget
Any$$$$
Background image for How To Play Sea Creatures Differently In Commander
Sikora
Nov 13, 2025
Sikora
How To Play Sea Creatures Differently In Commander
Sea creatures in Magic are basically as old as the game itself, but they've changed significantly in that time.
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Octopus Form
20%inclusion1 decks5 decks
19%synergy
The Unagi of Kyoshi Island
20%inclusion1 decks5 decks
15%synergy
Shared Roots
20%inclusion1 decks5 decks
16%synergy
High Synergy Cards
Double Major
89%inclusion25 decks28 decks
81%synergy
Whelming Wave
86%inclusion24 decks28 decks
74%synergy
Irenicus's Vile Duplication
68%inclusion19 decks28 decks
62%synergy
Adrix and Nev, Twincasters
64%inclusion18 decks28 decks
56%synergy
Elemental Bond
61%inclusion17 decks28 decks
55%synergy
Spark Double
64%inclusion18 decks28 decks
55%synergy
Junk Winder
57%inclusion16 decks28 decks
51%synergy
Progenitor Mimic
54%inclusion15 decks28 decks
49%synergy
Starwinder
56%inclusion5 decks9 decks
49%synergy
Murkfiend Liege
57%inclusion16 decks28 decks
43%synergy
Top Cards
Cultivate
89%inclusion25 decks28 decks
43%synergy
Counterspell
75%inclusion21 decks28 decks
25%synergy
Rampant Growth
71%inclusion20 decks28 decks
31%synergy
Kodama's Reach
68%inclusion19 decks28 decks
32%synergy
Growth Spiral
64%inclusion18 decks28 decks
20%synergy
Negate
61%inclusion17 decks28 decks
35%synergy
Farseek
57%inclusion16 decks28 decks
32%synergy
Beast Within
57%inclusion16 decks28 decks
7%synergy
Nature's Lore
54%inclusion15 decks28 decks
23%synergy
Koma, World-Eater
53%inclusion9 decks17 decks
40%synergy
Creatures
Llanowar Elves
50%inclusion14 decks28 decks
22%synergy
Octomancer
40%inclusion8 decks20 decks
35%synergy
Tatyova, Benthic Druid
39%inclusion11 decks28 decks
8%synergy
Esix, Fractal Bloom
39%inclusion11 decks28 decks
35%synergy
Garruk's Packleader
36%inclusion10 decks28 decks
33%synergy
Scourge of Fleets
36%inclusion10 decks28 decks
28%synergy
Clever Impersonator
36%inclusion10 decks28 decks
31%synergy
Sakura-Tribe Elder
36%inclusion10 decks28 decks
16%synergy
Elvish Mystic
32%inclusion9 decks28 decks
8%synergy
Hullbreaker Horror
32%inclusion9 decks28 decks
14%synergy
Vizier of Many Faces
29%inclusion8 decks28 decks
28%synergy
Coiling Oracle
29%inclusion8 decks28 decks
15%synergy
Sakashima of a Thousand Faces
29%inclusion8 decks28 decks
24%synergy
Arixmethes, Slumbering Isle
29%inclusion8 decks28 decks
15%synergy
Serpent of Yawning Depths
29%inclusion8 decks28 decks
22%synergy
Summon: Leviathan
27%inclusion3 decks11 decks
20%synergy
Undercover Operative
25%inclusion7 decks28 decks
24%synergy
Troyan, Gutsy Explorer
25%inclusion7 decks28 decks
22%synergy
Clone
25%inclusion7 decks28 decks
24%synergy
Aesi, Tyrant of Gyre Strait
25%inclusion7 decks28 decks
8%synergy
Slinn Voda, the Rising Deep
25%inclusion7 decks28 decks
19%synergy
Altered Ego
25%inclusion7 decks28 decks
23%synergy
Stunt Double
25%inclusion7 decks28 decks
24%synergy
Fyndhorn Elves
25%inclusion7 decks28 decks
9%synergy
Cryptoplasm
25%inclusion7 decks28 decks
25%synergy
Solemn Simulacrum
21%inclusion6 decks28 decks
15%synergy
Xolatoyac, the Smiling Flood
21%inclusion6 decks28 decks
14%synergy
Eternal Witness
21%inclusion6 decks28 decks
0%synergy
Phyrexian Metamorph
21%inclusion6 decks28 decks
12%synergy
Mirror Image
21%inclusion6 decks28 decks
20%synergy
Sakashima the Impostor
21%inclusion6 decks28 decks
19%synergy
Curiosity Crafter
18%inclusion5 decks28 decks
14%synergy
Archetype of Imagination
18%inclusion5 decks28 decks
14%synergy
Stormtide Leviathan
14%inclusion4 decks28 decks
8%synergy
Gyre Engineer
14%inclusion4 decks28 decks
11%synergy
Moritte of the Frost
14%inclusion4 decks28 decks
13%synergy
Augmenter Pugilist
14%inclusion4 decks28 decks
13%synergy
Ohran Frostfang
14%inclusion4 decks28 decks
11%synergy
Trygon Predator
14%inclusion4 decks28 decks
8%synergy
Spawning Kraken
14%inclusion4 decks28 decks
7%synergy
Glacier Godmaw
11%inclusion1 decks9 decks
7%synergy
Rashmi, Eternities Crafter
11%inclusion3 decks28 decks
8%synergy
Reclamation Sage
11%inclusion3 decks28 decks
-3%synergy
Rampaging Baloths
11%inclusion3 decks28 decks
-6%synergy
Avenger of Zendikar
11%inclusion3 decks28 decks
-7%synergy
Mirrorhall Mimic
11%inclusion3 decks28 decks
9%synergy
Sphinx of the Second Sun
11%inclusion3 decks28 decks
9%synergy
Nadir Kraken
11%inclusion3 decks28 decks
7%synergy
Scute Swarm
11%inclusion3 decks28 decks
-10%synergy
Phantasmal Image
11%inclusion3 decks28 decks
7%synergy
Instants
Cackling Counterpart
43%inclusion12 decks28 decks
40%synergy
Krosan Grip
32%inclusion9 decks28 decks
24%synergy
Second Harvest
32%inclusion9 decks28 decks
26%synergy
Harrow
32%inclusion9 decks28 decks
20%synergy
Nature's Claim
29%inclusion8 decks28 decks
19%synergy
Arcane Denial
29%inclusion8 decks28 decks
6%synergy
Pongify
25%inclusion7 decks28 decks
0%synergy
Rapid Hybridization
25%inclusion7 decks28 decks
-1%synergy
Brainstorm
25%inclusion7 decks28 decks
11%synergy
Snakeskin Veil
21%inclusion6 decks28 decks
16%synergy
An Offer You Can't Refuse
21%inclusion6 decks28 decks
-2%synergy
Return of the Wildspeaker
21%inclusion6 decks28 decks
11%synergy
Reality Shift
21%inclusion6 decks28 decks
7%synergy
Tamiyo's Safekeeping
21%inclusion6 decks28 decks
16%synergy
Fact or Fiction
18%inclusion5 decks28 decks
15%synergy
Aetherize
18%inclusion5 decks28 decks
6%synergy
Simic Charm
18%inclusion5 decks28 decks
10%synergy
Mizzium Skin
14%inclusion4 decks28 decks
14%synergy
Disdainful Stroke
14%inclusion4 decks28 decks
13%synergy
See Double
14%inclusion4 decks28 decks
13%synergy
Mystic Reflection
14%inclusion4 decks28 decks
12%synergy
Return to Nature
14%inclusion4 decks28 decks
9%synergy
Perplexing Test
14%inclusion4 decks28 decks
10%synergy
Joint Exploration
14%inclusion4 decks28 decks
9%synergy
Planar Genesis
14%inclusion3 decks22 decks
3%synergy
Eureka Moment
11%inclusion3 decks28 decks
0%synergy
Heroic Intervention
11%inclusion3 decks28 decks
-20%synergy
Decisive Denial
11%inclusion3 decks28 decks
6%synergy
Plasm Capture
11%inclusion3 decks28 decks
7%synergy
Tyvar's Stand
11%inclusion3 decks28 decks
8%synergy
Sublime Epiphany
11%inclusion3 decks28 decks
9%synergy
Blossoming Defense
11%inclusion3 decks28 decks
10%synergy
Repulsive Mutation
11%inclusion3 decks28 decks
6%synergy
Opt
11%inclusion3 decks28 decks
3%synergy
Entish Restoration
11%inclusion3 decks28 decks
1%synergy
Slip Out the Back
11%inclusion3 decks28 decks
7%synergy
Saw It Coming
11%inclusion3 decks28 decks
9%synergy
Delay
11%inclusion3 decks28 decks
8%synergy
Lazotep Plating
11%inclusion3 decks28 decks
10%synergy
Voidslime
11%inclusion3 decks28 decks
6%synergy
Spell Pierce
11%inclusion3 decks28 decks
7%synergy
Royal Treatment
11%inclusion3 decks28 decks
10%synergy
Druid's Deliverance
11%inclusion3 decks28 decks
9%synergy
Magic Damper
9.1%inclusion1 decks11 decks
8%synergy
Auroral Procession
8.3%inclusion1 decks12 decks
5%synergy
Frantic Search
7.1%inclusion2 decks28 decks
2%synergy
Countermand
7.1%inclusion2 decks28 decks
7%synergy
Essence Scatter
7.1%inclusion2 decks28 decks
6%synergy
Blinding Fog
7.1%inclusion2 decks28 decks
7%synergy
Make Disappear
7.1%inclusion2 decks28 decks
7%synergy
Sorceries
Rite of Replication
39%inclusion11 decks28 decks
32%synergy
Skyshroud Claim
36%inclusion10 decks28 decks
27%synergy
Explore
36%inclusion10 decks28 decks
15%synergy
Croaking Counterpart
32%inclusion9 decks28 decks
28%synergy
Quasiduplicate
29%inclusion8 decks28 decks
26%synergy
Ravenform
29%inclusion8 decks28 decks
24%synergy
Migration Path
29%inclusion8 decks28 decks
25%synergy
Quantum Misalignment
25%inclusion7 decks28 decks
22%synergy
Spitting Image
25%inclusion7 decks28 decks
23%synergy
Harmonize
21%inclusion6 decks28 decks
16%synergy
Explosive Vegetation
21%inclusion6 decks28 decks
16%synergy
Overwhelming Stampede
21%inclusion6 decks28 decks
9%synergy
Replication Technique
18%inclusion5 decks28 decks
15%synergy
Repudiate // Replicate
18%inclusion5 decks28 decks
16%synergy
Urban Evolution
18%inclusion5 decks28 decks
8%synergy
Circuitous Route
14%inclusion4 decks28 decks
12%synergy
Preordain
14%inclusion4 decks28 decks
6%synergy
Distant Melody
14%inclusion4 decks28 decks
11%synergy
Doppelgang
14%inclusion4 decks28 decks
8%synergy
Polymorph
11%inclusion3 decks28 decks
11%synergy
Three Visits
11%inclusion3 decks28 decks
-12%synergy
Sakashima's Will
11%inclusion3 decks28 decks
10%synergy
Stolen Identity
11%inclusion3 decks28 decks
10%synergy
Curse of the Swine
11%inclusion3 decks28 decks
0%synergy
Broken Bond
11%inclusion3 decks28 decks
6%synergy
Shamanic Revelation
11%inclusion3 decks28 decks
5%synergy
Regrowth
11%inclusion3 decks28 decks
7%synergy
Overrun
7.1%inclusion2 decks28 decks
5%synergy
Ranger's Path
7.1%inclusion2 decks28 decks
6%synergy
Serum Visions
7.1%inclusion2 decks28 decks
4%synergy
Rishkar's Expertise
7.1%inclusion2 decks28 decks
-1%synergy
Search for Tomorrow
7.1%inclusion2 decks28 decks
3%synergy
Bushwhack
7.1%inclusion2 decks28 decks
5%synergy
Disorienting Choice
5.3%inclusion1 decks19 decks
2%synergy
For the Common Good
5.0%inclusion1 decks20 decks
3%synergy
Rootcast Apprenticeship
5.0%inclusion1 decks20 decks
4%synergy
Utility Artifacts
Swiftfoot Boots
50%inclusion14 decks28 decks
24%synergy
Helm of the Host
43%inclusion12 decks28 decks
38%synergy
Mirror Box
39%inclusion11 decks28 decks
36%synergy
Combine Chrysalis
32%inclusion9 decks28 decks
28%synergy
Lightning Greaves
21%inclusion6 decks28 decks
0%synergy
Emerald Medallion
18%inclusion5 decks28 decks
15%synergy
Mirror Gallery
14%inclusion4 decks28 decks
14%synergy
Bident of Thassa
14%inclusion4 decks28 decks
7%synergy
Whispersilk Cloak
11%inclusion3 decks28 decks
8%synergy
Idol of Oblivion
11%inclusion3 decks28 decks
7%synergy
Dragonfire Blade
8.3%inclusion1 decks12 decks
8%synergy
Symmetry Matrix
7.1%inclusion2 decks28 decks
7%synergy
Wayfarer's Bauble
7.1%inclusion2 decks28 decks
5%synergy
Lifecrafter's Bestiary
7.1%inclusion2 decks28 decks
3%synergy
Sapphire Medallion
7.1%inclusion2 decks28 decks
4%synergy
Enchantments
Moonlit Meditation
33%inclusion3 decks9 decks
32%synergy
Extravagant Replication
18%inclusion5 decks28 decks
15%synergy
Wilderness Reclamation
18%inclusion5 decks28 decks
9%synergy
Wild Growth
18%inclusion5 decks28 decks
9%synergy
Tribute to the World Tree
18%inclusion5 decks28 decks
12%synergy
Doubling Season
14%inclusion4 decks28 decks
5%synergy
Garruk's Uprising
14%inclusion4 decks28 decks
-2%synergy
Ominous Seas
14%inclusion4 decks28 decks
10%synergy
Vesuvan Duplimancy
14%inclusion4 decks28 decks
12%synergy
Asceticism
14%inclusion4 decks28 decks
11%synergy
Paradox Haze
14%inclusion4 decks28 decks
14%synergy
Utopia Sprawl
11%inclusion3 decks28 decks
4%synergy
Beastmaster Ascension
11%inclusion3 decks28 decks
8%synergy
Verity Circle
11%inclusion3 decks28 decks
10%synergy
Followed Footsteps
11%inclusion3 decks28 decks
10%synergy
Parallel Lives
11%inclusion3 decks28 decks
5%synergy
Kenrith's Transformation
11%inclusion3 decks28 decks
6%synergy
Reflections of Littjara
11%inclusion3 decks28 decks
3%synergy
Primal Vigor
11%inclusion3 decks28 decks
8%synergy
Colossal Majesty
11%inclusion3 decks28 decks
9%synergy
Propaganda
11%inclusion3 decks28 decks
4%synergy
Mirror Room // Fractured Realm
11%inclusion2 decks19 decks
9%synergy
Kindred Discovery
7.1%inclusion2 decks28 decks
-3%synergy
Cryptolith Rite
7.1%inclusion2 decks28 decks
4%synergy
City of Death
7.1%inclusion2 decks28 decks
6%synergy
Frozen Aether
7.1%inclusion2 decks28 decks
7%synergy
Season of Growth
7.1%inclusion2 decks28 decks
3%synergy
Military Intelligence
7.1%inclusion2 decks28 decks
7%synergy
Mirrormade
7.1%inclusion2 decks28 decks
5%synergy
Mystic Remora
7.1%inclusion2 decks28 decks
-8%synergy
Leyline of Anticipation
7.1%inclusion2 decks28 decks
3%synergy
Kasmina's Transmutation
7.1%inclusion2 decks28 decks
5%synergy
Death's Presence
7.1%inclusion2 decks28 decks
7%synergy
Diplomatic Immunity
7.1%inclusion2 decks28 decks
7%synergy
Mystic Subdual
7.1%inclusion2 decks28 decks
7%synergy
Fisher's Talent
5.0%inclusion1 decks20 decks
3%synergy
Planeswalkers
Kiora, the Crashing Wave
14%inclusion4 decks28 decks
12%synergy
Kiora, Master of the Depths
11%inclusion3 decks28 decks
8%synergy
Oko, Thief of Crowns
11%inclusion3 decks28 decks
4%synergy
Utility Lands
Reliquary Tower
36%inclusion10 decks28 decks
-14%synergy
Temple of the False God
32%inclusion9 decks28 decks
17%synergy
Restless Vinestalk
18%inclusion5 decks28 decks
12%synergy
Lumbering Falls
18%inclusion5 decks28 decks
11%synergy
Mystic Sanctuary
14%inclusion4 decks28 decks
2%synergy
Mosswort Bridge
14%inclusion4 decks28 decks
-3%synergy
Rogue's Passage
14%inclusion4 decks28 decks
-8%synergy
Alchemist's Refuge
11%inclusion3 decks28 decks
-7%synergy
Bonders' Enclave
11%inclusion3 decks28 decks
9%synergy
Halimar Depths
7.1%inclusion2 decks28 decks
4%synergy
Skyline Cascade
7.1%inclusion2 decks28 decks
7%synergy
Thespian's Stage
7.1%inclusion2 decks28 decks
0%synergy
Cephalid Coliseum
7.1%inclusion2 decks28 decks
3%synergy
Dark Depths
7.1%inclusion2 decks28 decks
1%synergy
Fountainport
5.0%inclusion1 decks20 decks
4%synergy
Mana Artifacts
Sol Ring
89%inclusion25 decks28 decks
9%synergy
Arcane Signet
86%inclusion24 decks28 decks
23%synergy
Simic Signet
61%inclusion17 decks28 decks
29%synergy
Talisman of Curiosity
50%inclusion14 decks28 decks
28%synergy
Thought Vessel
32%inclusion9 decks28 decks
12%synergy
Fellwar Stone
18%inclusion5 decks28 decks
8%synergy
Mind Stone
11%inclusion3 decks28 decks
6%synergy
Commander's Sphere
7.1%inclusion2 decks28 decks
-1%synergy
Decanter of Endless Water
7.1%inclusion2 decks28 decks
2%synergy
Thran Dynamo
7.1%inclusion2 decks28 decks
4%synergy
Cultivator's Caravan
7.1%inclusion2 decks28 decks
7%synergy
Lands
Island
100%inclusion28 decks28 decks
5%synergy
Forest
100%inclusion28 decks28 decks
5%synergy
Command Tower
82%inclusion23 decks28 decks
-3%synergy
Yavimaya Coast
75%inclusion21 decks28 decks
22%synergy
Simic Growth Chamber
71%inclusion20 decks28 decks
23%synergy
Temple of Mystery
71%inclusion20 decks28 decks
33%synergy
Hinterland Harbor
61%inclusion17 decks28 decks
1%synergy
Vineglimmer Snarl
57%inclusion16 decks28 decks
19%synergy
Myriad Landscape
50%inclusion14 decks28 decks
28%synergy
Evolving Wilds
46%inclusion13 decks28 decks
21%synergy
Exotic Orchard
39%inclusion11 decks28 decks
15%synergy
Thornwood Falls
39%inclusion11 decks28 decks
22%synergy
Terramorphic Expanse
36%inclusion10 decks28 decks
16%synergy
Dreamroot Cascade
36%inclusion10 decks28 decks
-7%synergy
Flooded Grove
32%inclusion9 decks28 decks
-9%synergy
Littjara Mirrorlake
29%inclusion8 decks28 decks
25%synergy
Tangled Islet
25%inclusion7 decks28 decks
9%synergy
Waterlogged Grove
25%inclusion7 decks28 decks
4%synergy
Overflowing Basin
21%inclusion6 decks28 decks
2%synergy
Rimewood Falls
21%inclusion6 decks28 decks
12%synergy
Blighted Woodland
18%inclusion5 decks28 decks
11%synergy
Breeding Pool
18%inclusion5 decks28 decks
-28%synergy
Snow-Covered Forest
18%inclusion5 decks28 decks
11%synergy
Rejuvenating Springs
18%inclusion5 decks28 decks
-26%synergy
Quandrix Campus
14%inclusion4 decks28 decks
8%synergy
Simic Guildgate
14%inclusion4 decks28 decks
4%synergy
Fabled Passage
11%inclusion3 decks28 decks
-4%synergy
Barkchannel Pathway
11%inclusion3 decks28 decks
-10%synergy
Snow-Covered Island
11%inclusion3 decks28 decks
4%synergy
Glasspool Mimic
11%inclusion3 decks28 decks
6%synergy
Lush Oasis
7.7%inclusion2 decks26 decks
2%synergy
Botanical Sanctum
7.1%inclusion2 decks28 decks
-5%synergy
Brokers Hideout
7.1%inclusion2 decks28 decks
2%synergy
Hedge Maze
7.1%inclusion2 decks28 decks
-13%synergy
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