Koma, Cosmos Serpent (Commander) - Expensive Upgraded Clones

Alternate Names:

The Monstrous SerpentThe Monstrous Serpent

Koma, Cosmos Serpent
Rank #301
4decks
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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Shared Roots
50%inclusion1 decks2 decks
47%synergy
High Synergy Cards
Sakashima the Impostor
100%inclusion4 decks4 decks
97%synergy
Sakashima of a Thousand Faces
100%inclusion4 decks4 decks
95%synergy
Parallel Lives
100%inclusion4 decks4 decks
94%synergy
Irenicus's Vile Duplication
100%inclusion4 decks4 decks
94%synergy
Serpent of Yawning Depths
100%inclusion4 decks4 decks
94%synergy
Tribute to the World Tree
100%inclusion4 decks4 decks
94%synergy
Adrix and Nev, Twincasters
100%inclusion4 decks4 decks
92%synergy
Spark Double
100%inclusion4 decks4 decks
90%synergy
Whelming Wave
100%inclusion4 decks4 decks
89%synergy
Mana Drain
100%inclusion4 decks4 decks
84%synergy
Top Cards
Beast Within
100%inclusion4 decks4 decks
50%synergy
Game Changers
Rhystic Study
75%inclusion3 decks4 decks
53%synergy
Fierce Guardianship
75%inclusion3 decks4 decks
58%synergy
Cyclonic Rift
75%inclusion3 decks4 decks
49%synergy
Consecrated Sphinx
50%inclusion2 decks4 decks
41%synergy
Gaea's Cradle
25%inclusion1 decks4 decks
18%synergy
Force of Will
25%inclusion1 decks4 decks
15%synergy
Creatures
Roaming Throne
75%inclusion3 decks4 decks
67%synergy
Junk Winder
75%inclusion3 decks4 decks
68%synergy
Craterhoof Behemoth
75%inclusion3 decks4 decks
66%synergy
Birds of Paradise
75%inclusion3 decks4 decks
47%synergy
Spawning Kraken
75%inclusion3 decks4 decks
68%synergy
Summon: Leviathan
67%inclusion2 decks3 decks
59%synergy
Chameleon, Master of Disguise
67%inclusion2 decks3 decks
64%synergy
Garruk's Packleader
50%inclusion2 decks4 decks
48%synergy
Octomancer
50%inclusion2 decks4 decks
45%synergy
Llanowar Elves
50%inclusion2 decks4 decks
22%synergy
Esix, Fractal Bloom
50%inclusion2 decks4 decks
46%synergy
Ohran Frostfang
50%inclusion2 decks4 decks
46%synergy
Arixmethes, Slumbering Isle
50%inclusion2 decks4 decks
37%synergy
Sakura-Tribe Elder
50%inclusion2 decks4 decks
31%synergy
Tatyova, Benthic Druid
25%inclusion1 decks4 decks
-6%synergy
Pirated Copy
25%inclusion1 decks4 decks
25%synergy
Undercover Operative
25%inclusion1 decks4 decks
24%synergy
Koma, World-Eater
25%inclusion1 decks4 decks
12%synergy
Disciple of Freyalise
25%inclusion1 decks4 decks
20%synergy
Phyrexian Metamorph
25%inclusion1 decks4 decks
16%synergy
Elvish Mystic
25%inclusion1 decks4 decks
1%synergy
Tangled Florahedron
25%inclusion1 decks4 decks
23%synergy
Scourge of Fleets
25%inclusion1 decks4 decks
17%synergy
Hydroelectric Specimen
25%inclusion1 decks4 decks
19%synergy
Skyserpent Seeker
25%inclusion1 decks4 decks
22%synergy
Murkfiend Liege
25%inclusion1 decks4 decks
10%synergy
Aesi, Tyrant of Gyre Strait
25%inclusion1 decks4 decks
8%synergy
Mirror Image
25%inclusion1 decks4 decks
24%synergy
Fanatic of Rhonas
25%inclusion1 decks4 decks
19%synergy
Willbreaker
25%inclusion1 decks4 decks
25%synergy
Progenitor Mimic
25%inclusion1 decks4 decks
20%synergy
Auton Soldier
25%inclusion1 decks4 decks
22%synergy
Archetype of Imagination
25%inclusion1 decks4 decks
21%synergy
Freestrider Lookout
25%inclusion1 decks4 decks
25%synergy
Phantasmal Image
25%inclusion1 decks4 decks
22%synergy
Glasspool Mimic
25%inclusion1 decks4 decks
21%synergy
Champion of Lambholt
25%inclusion1 decks4 decks
20%synergy
Endurance
25%inclusion1 decks4 decks
20%synergy
Guardian Augmenter
25%inclusion1 decks4 decks
24%synergy
Instants
Heroic Intervention
75%inclusion3 decks4 decks
45%synergy
Krosan Grip
75%inclusion3 decks4 decks
67%synergy
Growth Spiral
50%inclusion2 decks4 decks
5%synergy
Archdruid's Charm
50%inclusion2 decks4 decks
44%synergy
Second Harvest
50%inclusion2 decks4 decks
44%synergy
Nature's Claim
50%inclusion2 decks4 decks
40%synergy
Counterspell
50%inclusion2 decks4 decks
0%synergy
Rapid Hybridization
25%inclusion1 decks4 decks
-1%synergy
An Offer You Can't Refuse
25%inclusion1 decks4 decks
2%synergy
Return of the Wildspeaker
25%inclusion1 decks4 decks
15%synergy
Power Sink
25%inclusion1 decks4 decks
25%synergy
Wrap in Vigor
25%inclusion1 decks4 decks
24%synergy
Stubborn Denial
25%inclusion1 decks4 decks
22%synergy
Sublime Epiphany
25%inclusion1 decks4 decks
23%synergy
Legolas's Quick Reflexes
25%inclusion1 decks4 decks
22%synergy
Force of Vigor
25%inclusion1 decks4 decks
20%synergy
Chord of Calling
25%inclusion1 decks4 decks
17%synergy
Reality Shift
25%inclusion1 decks4 decks
10%synergy
Swan Song
25%inclusion1 decks4 decks
6%synergy
Cackling Counterpart
25%inclusion1 decks4 decks
22%synergy
Force of Negation
25%inclusion1 decks4 decks
16%synergy
Lazotep Plating
25%inclusion1 decks4 decks
24%synergy
Sink into Stupor
25%inclusion1 decks4 decks
13%synergy
Collective Resistance
25%inclusion1 decks4 decks
21%synergy
Misdirection
25%inclusion1 decks4 decks
23%synergy
Spell Pierce
25%inclusion1 decks4 decks
22%synergy
Double Major
25%inclusion1 decks4 decks
17%synergy
Pact of Negation
25%inclusion1 decks4 decks
18%synergy
Sorceries
Quantum Misalignment
75%inclusion3 decks4 decks
72%synergy
Three Visits
75%inclusion3 decks4 decks
52%synergy
Nature's Lore
75%inclusion3 decks4 decks
45%synergy
Cultivate
75%inclusion3 decks4 decks
28%synergy
Kodama's Reach
50%inclusion2 decks4 decks
14%synergy
Turntimber Symbiosis
50%inclusion2 decks4 decks
48%synergy
Farseek
50%inclusion2 decks4 decks
25%synergy
Sea Gate Restoration
50%inclusion2 decks4 decks
45%synergy
Rampant Growth
50%inclusion2 decks4 decks
9%synergy
Overwhelming Stampede
50%inclusion2 decks4 decks
38%synergy
Ranger's Path
25%inclusion1 decks4 decks
24%synergy
Mirage Mockery
25%inclusion1 decks4 decks
25%synergy
Into the North
25%inclusion1 decks4 decks
24%synergy
Skyshroud Claim
25%inclusion1 decks4 decks
16%synergy
Triumph of the Hordes
25%inclusion1 decks4 decks
22%synergy
Edge of Autumn
25%inclusion1 decks4 decks
24%synergy
Lórien Revealed
25%inclusion1 decks4 decks
22%synergy
Finale of Devastation
25%inclusion1 decks4 decks
13%synergy
Quasiduplicate
25%inclusion1 decks4 decks
22%synergy
Tempt with Reflections
25%inclusion1 decks4 decks
24%synergy
Vastwood Surge
25%inclusion1 decks4 decks
24%synergy
Rishkar's Expertise
25%inclusion1 decks4 decks
17%synergy
Bridgeworks Battle
25%inclusion1 decks4 decks
20%synergy
Spitting Image
25%inclusion1 decks4 decks
23%synergy
Repudiate // Replicate
25%inclusion1 decks4 decks
23%synergy
Explore
25%inclusion1 decks4 decks
5%synergy
Shamanic Revelation
25%inclusion1 decks4 decks
20%synergy
Bala Ged Recovery
25%inclusion1 decks4 decks
15%synergy
Migration Path
25%inclusion1 decks4 decks
22%synergy
Open the Way
25%inclusion1 decks4 decks
22%synergy
Hunting Wilds
25%inclusion1 decks4 decks
25%synergy
Rite of Replication
25%inclusion1 decks4 decks
18%synergy
Utility Artifacts
Mirror Box
50%inclusion2 decks4 decks
47%synergy
Helm of the Host
50%inclusion2 decks4 decks
45%synergy
Eldrazi Monument
50%inclusion2 decks4 decks
49%synergy
Lightning Greaves
50%inclusion2 decks4 decks
28%synergy
The Great Henge
25%inclusion1 decks4 decks
16%synergy
Emerald Medallion
25%inclusion1 decks4 decks
22%synergy
Sapphire Medallion
25%inclusion1 decks4 decks
22%synergy
Enchantments
Kindred Discovery
75%inclusion3 decks4 decks
65%synergy
Elemental Bond
75%inclusion3 decks4 decks
69%synergy
Moonlit Meditation
67%inclusion2 decks3 decks
65%synergy
Doubling Season
50%inclusion2 decks4 decks
40%synergy
Defense of the Heart
50%inclusion2 decks4 decks
48%synergy
Exploration
25%inclusion1 decks4 decks
12%synergy
Beastmaster Ascension
25%inclusion1 decks4 decks
22%synergy
Verity Circle
25%inclusion1 decks4 decks
24%synergy
Garruk's Uprising
25%inclusion1 decks4 decks
9%synergy
City of Death
25%inclusion1 decks4 decks
24%synergy
Imprisoned in the Moon
25%inclusion1 decks4 decks
21%synergy
Extravagant Replication
25%inclusion1 decks4 decks
23%synergy
Song of the Dryads
25%inclusion1 decks4 decks
23%synergy
Mystic Remora
25%inclusion1 decks4 decks
10%synergy
Sylvan Library
25%inclusion1 decks4 decks
16%synergy
Dismiss into Dream
25%inclusion1 decks4 decks
25%synergy
Primal Vigor
25%inclusion1 decks4 decks
22%synergy
Paradox Haze
25%inclusion1 decks4 decks
25%synergy
Growing Rites of Itlimoc
25%inclusion1 decks4 decks
19%synergy
Battles
Invasion of Ikoria
25%inclusion1 decks4 decks
21%synergy
Planeswalkers
Oko, Thief of Crowns
75%inclusion3 decks4 decks
68%synergy
Garruk Wildspeaker
25%inclusion1 decks4 decks
24%synergy
Utility Lands
Yavimaya, Cradle of Growth
75%inclusion3 decks4 decks
53%synergy
Boseiju, Who Endures
75%inclusion3 decks4 decks
53%synergy
Otawara, Soaring City
75%inclusion3 decks4 decks
56%synergy
Mystic Sanctuary
50%inclusion2 decks4 decks
37%synergy
Reliquary Tower
50%inclusion2 decks4 decks
0%synergy
Mistrise Village
33%inclusion1 decks3 decks
23%synergy
Wasteland
25%inclusion1 decks4 decks
24%synergy
Alchemist's Refuge
25%inclusion1 decks4 decks
8%synergy
Urza's Saga
25%inclusion1 decks4 decks
19%synergy
Scavenger Grounds
25%inclusion1 decks4 decks
21%synergy
Command Beacon
25%inclusion1 decks4 decks
21%synergy
Nykthos, Shrine to Nyx
25%inclusion1 decks4 decks
22%synergy
Strip Mine
25%inclusion1 decks4 decks
22%synergy
Three Tree City
25%inclusion1 decks4 decks
20%synergy
Mana Artifacts
Sol Ring
100%inclusion4 decks4 decks
19%synergy
Arcane Signet
75%inclusion3 decks4 decks
12%synergy
Talisman of Curiosity
75%inclusion3 decks4 decks
53%synergy
Thought Vessel
75%inclusion3 decks4 decks
55%synergy
Simic Signet
50%inclusion2 decks4 decks
18%synergy
Everflowing Chalice
25%inclusion1 decks4 decks
21%synergy
Patchwork Banner
25%inclusion1 decks4 decks
22%synergy
Machine God's Effigy
25%inclusion1 decks4 decks
23%synergy
Decanter of Endless Water
25%inclusion1 decks4 decks
20%synergy
Fellwar Stone
25%inclusion1 decks4 decks
15%synergy
Lands
Command Tower
100%inclusion4 decks4 decks
15%synergy
Misty Rainforest
100%inclusion4 decks4 decks
69%synergy
Breeding Pool
100%inclusion4 decks4 decks
54%synergy
Yavimaya Coast
100%inclusion4 decks4 decks
48%synergy
Tropical Island
100%inclusion4 decks4 decks
86%synergy
Island
100%inclusion4 decks4 decks
5%synergy
Forest
100%inclusion4 decks4 decks
5%synergy
Rejuvenating Springs
100%inclusion4 decks4 decks
56%synergy
Hinterland Harbor
100%inclusion4 decks4 decks
41%synergy
Willowrush Verge
75%inclusion3 decks4 decks
59%synergy
Hedge Maze
75%inclusion3 decks4 decks
55%synergy
Dreamroot Cascade
75%inclusion3 decks4 decks
33%synergy
Simic Growth Chamber
50%inclusion2 decks4 decks
2%synergy
Turntimber Symbiosis
50%inclusion2 decks4 decks
48%synergy
Sea Gate Restoration
50%inclusion2 decks4 decks
45%synergy
Barkchannel Pathway
50%inclusion2 decks4 decks
30%synergy
Waterlogged Grove
50%inclusion2 decks4 decks
29%synergy
Scalding Tarn
50%inclusion2 decks4 decks
40%synergy
Flooded Grove
50%inclusion2 decks4 decks
9%synergy
Fabled Passage
25%inclusion1 decks4 decks
11%synergy
Disciple of Freyalise
25%inclusion1 decks4 decks
20%synergy
Windswept Heath
25%inclusion1 decks4 decks
15%synergy
Vineglimmer Snarl
25%inclusion1 decks4 decks
-14%synergy
Tangled Islet
25%inclusion1 decks4 decks
9%synergy
Tangled Florahedron
25%inclusion1 decks4 decks
23%synergy
Hydroelectric Specimen
25%inclusion1 decks4 decks
19%synergy
Snow-Covered Island
25%inclusion1 decks4 decks
18%synergy
Snow-Covered Forest
25%inclusion1 decks4 decks
18%synergy
Wooded Foothills
25%inclusion1 decks4 decks
15%synergy
Verdant Catacombs
25%inclusion1 decks4 decks
15%synergy
Reflecting Pool
25%inclusion1 decks4 decks
22%synergy
Temple of Mystery
25%inclusion1 decks4 decks
-13%synergy
Botanical Sanctum
25%inclusion1 decks4 decks
12%synergy
Demolition Field
25%inclusion1 decks4 decks
22%synergy
Rimewood Falls
25%inclusion1 decks4 decks
16%synergy
Bridgeworks Battle
25%inclusion1 decks4 decks
20%synergy
Evolving Wilds
25%inclusion1 decks4 decks
0%synergy
Path of Ancestry
25%inclusion1 decks4 decks
8%synergy
Sink into Stupor
25%inclusion1 decks4 decks
13%synergy
Glasspool Mimic
25%inclusion1 decks4 decks
21%synergy
Mana Confluence
25%inclusion1 decks4 decks
19%synergy
Bala Ged Recovery
25%inclusion1 decks4 decks
15%synergy
Polluted Delta
25%inclusion1 decks4 decks
15%synergy
City of Brass
25%inclusion1 decks4 decks
19%synergy
Flooded Strand
25%inclusion1 decks4 decks
14%synergy
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