Koma, Cosmos Serpent (Commander) - Budget Upgraded Clones

Alternate Names:

The Monstrous SerpentThe Monstrous Serpent

Koma, Cosmos Serpent
Rank #298
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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Starwinder
100%inclusion2 decks2 decks
93%synergy
Junk Winder
67%inclusion2 decks3 decks
60%synergy
Spark Double
67%inclusion2 decks3 decks
57%synergy
Sakashima the Impostor
67%inclusion2 decks3 decks
64%synergy
Hullbreaker Horror
67%inclusion2 decks3 decks
49%synergy
Summon: Leviathan
50%inclusion1 decks2 decks
43%synergy
Solemn Simulacrum
33%inclusion1 decks3 decks
27%synergy
Icebreaker Kraken
33%inclusion1 decks3 decks
32%synergy
Eluge, the Shoreless Sea
33%inclusion1 decks3 decks
32%synergy
Tatyova, Benthic Druid
33%inclusion1 decks3 decks
2%synergy
Adrix and Nev, Twincasters
33%inclusion1 decks3 decks
25%synergy
Garruk's Packleader
33%inclusion1 decks3 decks
31%synergy
Octomancer
33%inclusion1 decks3 decks
29%synergy
Koma, World-Eater
33%inclusion1 decks3 decks
20%synergy
Orvar, the All-Form
33%inclusion1 decks3 decks
32%synergy
Xolatoyac, the Smiling Flood
33%inclusion1 decks3 decks
26%synergy
Wavebreak Hippocamp
33%inclusion1 decks3 decks
33%synergy
Plaxmanta
33%inclusion1 decks3 decks
33%synergy
The Sixth Doctor
33%inclusion1 decks3 decks
33%synergy
Scourge of Fleets
33%inclusion1 decks3 decks
25%synergy
Llanowar Elves
33%inclusion1 decks3 decks
6%synergy
Docent of Perfection
33%inclusion1 decks3 decks
33%synergy
Augmenter Pugilist
33%inclusion1 decks3 decks
32%synergy
Kiora, Sovereign of the Deep
33%inclusion1 decks3 decks
31%synergy
Enduring Curiosity
33%inclusion1 decks3 decks
30%synergy
The Watcher in the Water
33%inclusion1 decks3 decks
32%synergy
Tireless Provisioner
33%inclusion1 decks3 decks
18%synergy
Monstrosity of the Lake
33%inclusion1 decks3 decks
31%synergy
Trygon Predator
33%inclusion1 decks3 decks
27%synergy
Arixmethes, Slumbering Isle
33%inclusion1 decks3 decks
20%synergy
Gala Greeters
33%inclusion1 decks3 decks
32%synergy
Gretchen Titchwillow
33%inclusion1 decks3 decks
31%synergy
Serpent of Yawning Depths
33%inclusion1 decks3 decks
27%synergy
Spellskite
33%inclusion1 decks3 decks
28%synergy
Sakura-Tribe Elder
33%inclusion1 decks3 decks
14%synergy
Topiary Stomper
33%inclusion1 decks3 decks
31%synergy
Biovisionary
33%inclusion1 decks3 decks
31%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
Titan of Littjara
33%inclusion1 decks3 decks
32%synergy
Instants
Counterspell
100%inclusion3 decks3 decks
50%synergy
Rapid Hybridization
67%inclusion2 decks3 decks
40%synergy
An Offer You Can't Refuse
67%inclusion2 decks3 decks
44%synergy
Negate
67%inclusion2 decks3 decks
41%synergy
Growth Spiral
67%inclusion2 decks3 decks
22%synergy
Harrow
67%inclusion2 decks3 decks
55%synergy
Reality Shift
67%inclusion2 decks3 decks
52%synergy
Entish Restoration
67%inclusion2 decks3 decks
57%synergy
Aetherize
67%inclusion2 decks3 decks
55%synergy
Slip Out the Back
67%inclusion2 decks3 decks
63%synergy
Joint Exploration
67%inclusion2 decks3 decks
61%synergy
Tamiyo's Safekeeping
67%inclusion2 decks3 decks
61%synergy
Double Major
67%inclusion2 decks3 decks
58%synergy
Pongify
33%inclusion1 decks3 decks
9%synergy
Muddle the Mixture
33%inclusion1 decks3 decks
29%synergy
Disdainful Stroke
33%inclusion1 decks3 decks
32%synergy
See Double
33%inclusion1 decks3 decks
32%synergy
Jaheira's Respite
33%inclusion1 decks3 decks
32%synergy
Thirst for Discovery
33%inclusion1 decks3 decks
33%synergy
Snakeskin Veil
33%inclusion1 decks3 decks
28%synergy
Refute
33%inclusion1 decks3 decks
31%synergy
Decisive Denial
33%inclusion1 decks3 decks
28%synergy
Plasm Capture
33%inclusion1 decks3 decks
30%synergy
Brainstorm
33%inclusion1 decks3 decks
19%synergy
Spore Cloud
33%inclusion1 decks3 decks
33%synergy
Stubborn Denial
33%inclusion1 decks3 decks
31%synergy
Krosan Grip
33%inclusion1 decks3 decks
25%synergy
Tyvar's Stand
33%inclusion1 decks3 decks
31%synergy
Fact or Fiction
33%inclusion1 decks3 decks
31%synergy
Mystical Dispute
33%inclusion1 decks3 decks
33%synergy
Mystic Reflection
33%inclusion1 decks3 decks
31%synergy
Blink of an Eye
33%inclusion1 decks3 decks
33%synergy
Sublime Epiphany
33%inclusion1 decks3 decks
31%synergy
Second Harvest
33%inclusion1 decks3 decks
27%synergy
Nature's Claim
33%inclusion1 decks3 decks
23%synergy
Opt
33%inclusion1 decks3 decks
26%synergy
Shell Shield
33%inclusion1 decks3 decks
33%synergy
Redirect
33%inclusion1 decks3 decks
33%synergy
Supreme Will
33%inclusion1 decks3 decks
33%synergy
Beast Within
33%inclusion1 decks3 decks
-17%synergy
Tale's End
33%inclusion1 decks3 decks
33%synergy
Saw It Coming
33%inclusion1 decks3 decks
32%synergy
Thirst for Knowledge
33%inclusion1 decks3 decks
33%synergy
Delay
33%inclusion1 decks3 decks
31%synergy
Quandrix Command
33%inclusion1 decks3 decks
28%synergy
Cackling Counterpart
33%inclusion1 decks3 decks
30%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
Sorceries
Kodama's Reach
100%inclusion3 decks3 decks
64%synergy
Farseek
100%inclusion3 decks3 decks
75%synergy
Cultivate
100%inclusion3 decks3 decks
53%synergy
Irenicus's Vile Duplication
100%inclusion3 decks3 decks
94%synergy
Whelming Wave
100%inclusion3 decks3 decks
89%synergy
Rampant Growth
67%inclusion2 decks3 decks
26%synergy
Replication Technique
33%inclusion1 decks3 decks
30%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
Stolen Identity
33%inclusion1 decks3 decks
33%synergy
Wash Out
33%inclusion1 decks3 decks
33%synergy
Treasure Cruise
33%inclusion1 decks3 decks
30%synergy
Growth Spasm
33%inclusion1 decks3 decks
33%synergy
Nature's Lore
33%inclusion1 decks3 decks
3%synergy
Preordain
33%inclusion1 decks3 decks
25%synergy
Explore
33%inclusion1 decks3 decks
13%synergy
Gaea's Blessing
33%inclusion1 decks3 decks
33%synergy
River's Rebuke
33%inclusion1 decks3 decks
31%synergy
Bala Ged Recovery
33%inclusion1 decks3 decks
23%synergy
Ravenform
33%inclusion1 decks3 decks
29%synergy
Portent
33%inclusion1 decks3 decks
33%synergy
Utility Artifacts
Oblivion Stone
33%inclusion1 decks3 decks
32%synergy
Mirror Box
33%inclusion1 decks3 decks
30%synergy
Boompile
33%inclusion1 decks3 decks
33%synergy
Transmogrifying Wand
33%inclusion1 decks3 decks
33%synergy
Combine Chrysalis
33%inclusion1 decks3 decks
29%synergy
Lightning Greaves
33%inclusion1 decks3 decks
12%synergy
Enchantments
Elemental Bond
100%inclusion3 decks3 decks
94%synergy
Wilderness Reclamation
67%inclusion2 decks3 decks
58%synergy
Tribute to the World Tree
67%inclusion2 decks3 decks
60%synergy
Moonlit Meditation
50%inclusion1 decks2 decks
49%synergy
Kindred Discovery
33%inclusion1 decks3 decks
23%synergy
Doubling Season
33%inclusion1 decks3 decks
24%synergy
Garruk's Uprising
33%inclusion1 decks3 decks
17%synergy
Wizard Class
33%inclusion1 decks3 decks
28%synergy
Omen of the Sea
33%inclusion1 decks3 decks
32%synergy
Vesuvan Duplimancy
33%inclusion1 decks3 decks
31%synergy
Parallel Lives
33%inclusion1 decks3 decks
27%synergy
Web of Inertia
33%inclusion1 decks3 decks
33%synergy
Primal Vigor
33%inclusion1 decks3 decks
30%synergy
Battles
Invasion of Segovia
33%inclusion1 decks3 decks
33%synergy
Planeswalkers
Kiora, Master of the Depths
33%inclusion1 decks3 decks
31%synergy
Kiora, the Crashing Wave
33%inclusion1 decks3 decks
31%synergy
Utility Lands
Temple of the False God
67%inclusion2 decks3 decks
51%synergy
Bonders' Enclave
67%inclusion2 decks3 decks
65%synergy
Restless Vinestalk
33%inclusion1 decks3 decks
28%synergy
Alchemist's Refuge
33%inclusion1 decks3 decks
16%synergy
War Room
33%inclusion1 decks3 decks
32%synergy
Lonely Sandbar
33%inclusion1 decks3 decks
29%synergy
Skyline Cascade
33%inclusion1 decks3 decks
33%synergy
Tranquil Thicket
33%inclusion1 decks3 decks
29%synergy
Reliquary Tower
33%inclusion1 decks3 decks
-17%synergy
Lumbering Falls
33%inclusion1 decks3 decks
27%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
67%inclusion2 decks3 decks
35%synergy
Talisman of Curiosity
67%inclusion2 decks3 decks
45%synergy
Thought Vessel
33%inclusion1 decks3 decks
13%synergy
Mind Stone
33%inclusion1 decks3 decks
29%synergy
Lands
Temple of Mystery
100%inclusion3 decks3 decks
62%synergy
Island
100%inclusion3 decks3 decks
5%synergy
Forest
100%inclusion3 decks3 decks
5%synergy
Command Tower
67%inclusion2 decks3 decks
-19%synergy
Vineglimmer Snarl
67%inclusion2 decks3 decks
28%synergy
Yavimaya Coast
67%inclusion2 decks3 decks
14%synergy
Waterlogged Grove
67%inclusion2 decks3 decks
46%synergy
Evolving Wilds
67%inclusion2 decks3 decks
42%synergy
Blighted Woodland
33%inclusion1 decks3 decks
26%synergy
Fabled Passage
33%inclusion1 decks3 decks
19%synergy
Quandrix Campus
33%inclusion1 decks3 decks
26%synergy
Exotic Orchard
33%inclusion1 decks3 decks
9%synergy
Littjara Mirrorlake
33%inclusion1 decks3 decks
29%synergy
Tangled Islet
33%inclusion1 decks3 decks
17%synergy
Overflowing Basin
33%inclusion1 decks3 decks
14%synergy
Snow-Covered Island
33%inclusion1 decks3 decks
26%synergy
Snow-Covered Forest
33%inclusion1 decks3 decks
27%synergy
Plaza of Heroes
33%inclusion1 decks3 decks
32%synergy
Path of Ancestry
33%inclusion1 decks3 decks
16%synergy
Sink into Stupor
33%inclusion1 decks3 decks
22%synergy
Brokers Hideout
33%inclusion1 decks3 decks
28%synergy
Hedge Maze
33%inclusion1 decks3 decks
14%synergy
Bala Ged Recovery
33%inclusion1 decks3 decks
23%synergy
Simic Guildgate
33%inclusion1 decks3 decks
23%synergy
Thornwood Falls
33%inclusion1 decks3 decks
16%synergy
Hinterland Harbor
33%inclusion1 decks3 decks
-26%synergy
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