Koma, Cosmos Serpent (Commander) - Budget Upgraded Ramp

Alternate Names:

The Monstrous SerpentThe Monstrous Serpent

Koma, Cosmos Serpent
Rank #301
3decks
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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The Unagi of Kyoshi Island
50%inclusion1 decks2 decks
45%synergy
Ember Island Production
50%inclusion1 decks2 decks
49%synergy
Shared Roots
50%inclusion1 decks2 decks
47%synergy
Creatures
Tatyova, Benthic Druid
100%inclusion3 decks3 decks
69%synergy
Sakura-Tribe Elder
100%inclusion3 decks3 decks
81%synergy
Junk Winder
67%inclusion2 decks3 decks
60%synergy
Coiling Oracle
67%inclusion2 decks3 decks
53%synergy
Arixmethes, Slumbering Isle
67%inclusion2 decks3 decks
53%synergy
Summon: Leviathan
50%inclusion1 decks2 decks
43%synergy
Horizon Explorer
50%inclusion1 decks2 decks
48%synergy
Starwinder
50%inclusion1 decks2 decks
43%synergy
Reclamation Sage
33%inclusion1 decks3 decks
19%synergy
Troyan, Gutsy Explorer
33%inclusion1 decks3 decks
30%synergy
Adrix and Nev, Twincasters
33%inclusion1 decks3 decks
25%synergy
Koma, World-Eater
33%inclusion1 decks3 decks
20%synergy
Wonder
33%inclusion1 decks3 decks
31%synergy
Rampaging Baloths
33%inclusion1 decks3 decks
16%synergy
Eternal Witness
33%inclusion1 decks3 decks
12%synergy
Wavebreak Hippocamp
33%inclusion1 decks3 decks
33%synergy
Inga and Esika
33%inclusion1 decks3 decks
31%synergy
Primeval Herald
33%inclusion1 decks3 decks
33%synergy
Avenger of Zendikar
33%inclusion1 decks3 decks
15%synergy
Saryth, the Viper's Fang
33%inclusion1 decks3 decks
32%synergy
Tangled Florahedron
33%inclusion1 decks3 decks
32%synergy
Deep-Sea Kraken
33%inclusion1 decks3 decks
30%synergy
Scourge of Fleets
33%inclusion1 decks3 decks
25%synergy
Aesi, Tyrant of Gyre Strait
33%inclusion1 decks3 decks
16%synergy
Llanowar Elves
33%inclusion1 decks3 decks
6%synergy
End-Raze Forerunners
33%inclusion1 decks3 decks
28%synergy
Silent Hallcreeper
33%inclusion1 decks3 decks
32%synergy
Spark Double
33%inclusion1 decks3 decks
24%synergy
Sakashima the Impostor
33%inclusion1 decks3 decks
31%synergy
Tireless Provisioner
33%inclusion1 decks3 decks
18%synergy
Goreclaw, Terror of Qal Sisma
33%inclusion1 decks3 decks
30%synergy
Gretchen Titchwillow
33%inclusion1 decks3 decks
31%synergy
Serpent of Yawning Depths
33%inclusion1 decks3 decks
27%synergy
Hullbreaker Horror
33%inclusion1 decks3 decks
16%synergy
Spellskite
33%inclusion1 decks3 decks
28%synergy
Simic Sky Swallower
33%inclusion1 decks3 decks
29%synergy
Tireless Tracker
33%inclusion1 decks3 decks
27%synergy
Uro, Titan of Nature's Wrath
33%inclusion1 decks3 decks
24%synergy
Triskaidekaphile
33%inclusion1 decks3 decks
32%synergy
Spawning Kraken
33%inclusion1 decks3 decks
26%synergy
Somberwald Sage
33%inclusion1 decks3 decks
32%synergy
Instants
Negate
100%inclusion3 decks3 decks
74%synergy
Reality Shift
100%inclusion3 decks3 decks
85%synergy
Thirst for Discovery
67%inclusion2 decks3 decks
66%synergy
An Offer You Can't Refuse
67%inclusion2 decks3 decks
44%synergy
Growth Spiral
67%inclusion2 decks3 decks
22%synergy
Tyvar's Stand
67%inclusion2 decks3 decks
64%synergy
Beast Within
67%inclusion2 decks3 decks
17%synergy
Aetherize
67%inclusion2 decks3 decks
55%synergy
Slip Out the Back
67%inclusion2 decks3 decks
63%synergy
Counterspell
67%inclusion2 decks3 decks
17%synergy
Magic Damper
50%inclusion1 decks2 decks
49%synergy
Seedship Impact
50%inclusion1 decks2 decks
49%synergy
Pongify
33%inclusion1 decks3 decks
9%synergy
Rapid Hybridization
33%inclusion1 decks3 decks
7%synergy
Eureka Moment
33%inclusion1 decks3 decks
22%synergy
Three Steps Ahead
33%inclusion1 decks3 decks
31%synergy
Stubborn Denial
33%inclusion1 decks3 decks
31%synergy
Fact or Fiction
33%inclusion1 decks3 decks
31%synergy
Aetherspouts
33%inclusion1 decks3 decks
32%synergy
Blink of an Eye
33%inclusion1 decks3 decks
33%synergy
Blue Sun's Zenith
33%inclusion1 decks3 decks
30%synergy
Harrow
33%inclusion1 decks3 decks
21%synergy
Entish Restoration
33%inclusion1 decks3 decks
24%synergy
Supreme Will
33%inclusion1 decks3 decks
33%synergy
Perplexing Test
33%inclusion1 decks3 decks
29%synergy
Sprout Swarm
33%inclusion1 decks3 decks
33%synergy
Thirst for Knowledge
33%inclusion1 decks3 decks
33%synergy
Delay
33%inclusion1 decks3 decks
31%synergy
Joint Exploration
33%inclusion1 decks3 decks
28%synergy
Chemister's Insight
33%inclusion1 decks3 decks
33%synergy
Arcane Denial
33%inclusion1 decks3 decks
11%synergy
Planar Genesis
33%inclusion1 decks3 decks
23%synergy
Rewind
33%inclusion1 decks3 decks
30%synergy
Tamiyo's Safekeeping
33%inclusion1 decks3 decks
28%synergy
Collective Resistance
33%inclusion1 decks3 decks
30%synergy
Into the Roil
33%inclusion1 decks3 decks
32%synergy
Memory Deluge
33%inclusion1 decks3 decks
33%synergy
Double Major
33%inclusion1 decks3 decks
25%synergy
Dig Through Time
33%inclusion1 decks3 decks
30%synergy
Royal Treatment
33%inclusion1 decks3 decks
32%synergy
Evacuation
33%inclusion1 decks3 decks
29%synergy
Sorceries
Whelming Wave
100%inclusion3 decks3 decks
89%synergy
Farseek
67%inclusion2 decks3 decks
42%synergy
Nature's Lore
67%inclusion2 decks3 decks
36%synergy
Irenicus's Vile Duplication
67%inclusion2 decks3 decks
60%synergy
Ponder
33%inclusion1 decks3 decks
26%synergy
Walk the Aeons
33%inclusion1 decks3 decks
31%synergy
Kodama's Reach
33%inclusion1 decks3 decks
-3%synergy
Quantum Misalignment
33%inclusion1 decks3 decks
30%synergy
Three Visits
33%inclusion1 decks3 decks
10%synergy
Consuming Tide
33%inclusion1 decks3 decks
31%synergy
Ranger's Path
33%inclusion1 decks3 decks
33%synergy
Peregrination
33%inclusion1 decks3 decks
33%synergy
Circuitous Route
33%inclusion1 decks3 decks
31%synergy
Skyshroud Claim
33%inclusion1 decks3 decks
24%synergy
Tooth and Nail
33%inclusion1 decks3 decks
32%synergy
Tempt with Discovery
33%inclusion1 decks3 decks
29%synergy
Hour of Promise
33%inclusion1 decks3 decks
30%synergy
Treasure Cruise
33%inclusion1 decks3 decks
30%synergy
Rampant Growth
33%inclusion1 decks3 decks
-7%synergy
Cultivate
33%inclusion1 decks3 decks
-14%synergy
Search for Tomorrow
33%inclusion1 decks3 decks
29%synergy
Explosive Vegetation
33%inclusion1 decks3 decks
28%synergy
Spitting Image
33%inclusion1 decks3 decks
31%synergy
Explore
33%inclusion1 decks3 decks
13%synergy
River's Rebuke
33%inclusion1 decks3 decks
31%synergy
Bushwhack
33%inclusion1 decks3 decks
31%synergy
Bala Ged Recovery
33%inclusion1 decks3 decks
23%synergy
Ravenform
33%inclusion1 decks3 decks
29%synergy
Migration Path
33%inclusion1 decks3 decks
30%synergy
Regrowth
33%inclusion1 decks3 decks
30%synergy
Hunting Wilds
33%inclusion1 decks3 decks
33%synergy
Glimpse the Core
33%inclusion1 decks3 decks
33%synergy
Utility Artifacts
Lightning Greaves
67%inclusion2 decks3 decks
45%synergy
Chocobo Racetrack
50%inclusion1 decks2 decks
49%synergy
Oblivion Stone
33%inclusion1 decks3 decks
32%synergy
Perilous Vault
33%inclusion1 decks3 decks
33%synergy
Helm of the Host
33%inclusion1 decks3 decks
28%synergy
Boompile
33%inclusion1 decks3 decks
33%synergy
Transmogrifying Wand
33%inclusion1 decks3 decks
33%synergy
Swiftfoot Boots
33%inclusion1 decks3 decks
8%synergy
Neurok Stealthsuit
33%inclusion1 decks3 decks
33%synergy
Emerald Medallion
33%inclusion1 decks3 decks
30%synergy
Enchantments
Elemental Bond
100%inclusion3 decks3 decks
94%synergy
Kindred Discovery
67%inclusion2 decks3 decks
57%synergy
Wilderness Reclamation
67%inclusion2 decks3 decks
58%synergy
Encroaching Dragonstorm
50%inclusion1 decks2 decks
49%synergy
Eusocial Engineering
50%inclusion1 decks2 decks
49%synergy
Moonlit Meditation
50%inclusion1 decks2 decks
49%synergy
Impostor Syndrome
50%inclusion1 decks2 decks
48%synergy
Utopia Sprawl
33%inclusion1 decks3 decks
27%synergy
Carpet of Flowers
33%inclusion1 decks3 decks
31%synergy
Imprisoned in the Moon
33%inclusion1 decks3 decks
29%synergy
Omen of the Sea
33%inclusion1 decks3 decks
32%synergy
Sandwurm Convergence
33%inclusion1 decks3 decks
31%synergy
Evolutionary Leap
33%inclusion1 decks3 decks
33%synergy
Frontier Siege
33%inclusion1 decks3 decks
33%synergy
Vesuvan Duplimancy
33%inclusion1 decks3 decks
31%synergy
Tribute to the World Tree
33%inclusion1 decks3 decks
27%synergy
Khalni Heart Expedition
33%inclusion1 decks3 decks
29%synergy
Battles
Invasion of Zendikar
33%inclusion1 decks3 decks
32%synergy
Planeswalkers
Kiora, Master of the Depths
33%inclusion1 decks3 decks
31%synergy
Oko, Thief of Crowns
33%inclusion1 decks3 decks
26%synergy
Utility Lands
Alchemist's Refuge
67%inclusion2 decks3 decks
49%synergy
Temple of the False God
67%inclusion2 decks3 decks
51%synergy
Bonders' Enclave
67%inclusion2 decks3 decks
65%synergy
Scavenger Grounds
33%inclusion1 decks3 decks
29%synergy
War Room
33%inclusion1 decks3 decks
32%synergy
Mosswort Bridge
33%inclusion1 decks3 decks
16%synergy
Reliquary Tower
33%inclusion1 decks3 decks
-17%synergy
Cephalid Coliseum
33%inclusion1 decks3 decks
29%synergy
Mana Artifacts
Arcane Signet
100%inclusion3 decks3 decks
37%synergy
Sol Ring
100%inclusion3 decks3 decks
19%synergy
Simic Signet
33%inclusion1 decks3 decks
1%synergy
Talisman of Curiosity
33%inclusion1 decks3 decks
12%synergy
Thought Vessel
33%inclusion1 decks3 decks
13%synergy
Mind Stone
33%inclusion1 decks3 decks
29%synergy
Lands
Command Tower
100%inclusion3 decks3 decks
15%synergy
Island
100%inclusion3 decks3 decks
5%synergy
Forest
100%inclusion3 decks3 decks
5%synergy
Hinterland Harbor
100%inclusion3 decks3 decks
41%synergy
Blighted Woodland
67%inclusion2 decks3 decks
59%synergy
Simic Growth Chamber
67%inclusion2 decks3 decks
18%synergy
Exotic Orchard
67%inclusion2 decks3 decks
43%synergy
Tangled Islet
67%inclusion2 decks3 decks
50%synergy
Temple of Mystery
67%inclusion2 decks3 decks
28%synergy
Flooded Grove
67%inclusion2 decks3 decks
26%synergy
Willowrush Verge
50%inclusion1 decks2 decks
34%synergy
Quandrix Campus
33%inclusion1 decks3 decks
26%synergy
Myriad Landscape
33%inclusion1 decks3 decks
11%synergy
Vineglimmer Snarl
33%inclusion1 decks3 decks
-5%synergy
Yavimaya Coast
33%inclusion1 decks3 decks
-19%synergy
Tangled Florahedron
33%inclusion1 decks3 decks
32%synergy
Waterlogged Grove
33%inclusion1 decks3 decks
13%synergy
Rimewood Falls
33%inclusion1 decks3 decks
24%synergy
Plaza of Heroes
33%inclusion1 decks3 decks
32%synergy
Hedge Maze
33%inclusion1 decks3 decks
14%synergy
Bala Ged Recovery
33%inclusion1 decks3 decks
23%synergy
Dreamroot Cascade
33%inclusion1 decks3 decks
-9%synergy
Simic Guildgate
33%inclusion1 decks3 decks
23%synergy
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