Koma, Cosmos Serpent (Commander) - Budget Optimized Control

Koma, Cosmos Serpent
Rank #289
2decks
As CommanderAs CardAverage DeckDecks
Bracket
All12345
Budget
Any$$$$
Background image for Can You Build Simic in Commander Without... Going Simic?
Arnaud Gompertz
Aug 6, 2025
Arnaud Gompertz
Can You Build Simic in Commander Without... Going Simic?
Can you go Simic without doing the Simic stuff that everyone dreads? Yes you can! Arnaud is here with some uncanny Commander deck ideas.
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Utility Lands
Mana Artifacts
Lands
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Narset, Parter of Veils
50%inclusion1 decks2 decks
49%synergy
Mystical Tutor
50%inclusion1 decks2 decks
40%synergy
Worldly Tutor
50%inclusion1 decks2 decks
34%synergy
Fierce Guardianship
50%inclusion1 decks2 decks
33%synergy
Creatures
Koma, World-Eater
100%inclusion2 decks2 decks
86%synergy
Serpent of Yawning Depths
100%inclusion2 decks2 decks
94%synergy
Maraleaf Pixie
50%inclusion1 decks2 decks
44%synergy
Tatyova, Benthic Druid
50%inclusion1 decks2 decks
19%synergy
Collector Ouphe
50%inclusion1 decks2 decks
49%synergy
Stormtide Leviathan
50%inclusion1 decks2 decks
44%synergy
Brinelin, the Moon Kraken
50%inclusion1 decks2 decks
46%synergy
Acidic Slime
50%inclusion1 decks2 decks
44%synergy
Sludge Monster
50%inclusion1 decks2 decks
49%synergy
Deep-Sea Terror
50%inclusion1 decks2 decks
50%synergy
Reservoir Kraken
50%inclusion1 decks2 decks
48%synergy
Spellseeker
50%inclusion1 decks2 decks
48%synergy
Deep-Sea Kraken
50%inclusion1 decks2 decks
47%synergy
Scourge of Fleets
50%inclusion1 decks2 decks
42%synergy
Harbor Serpent
50%inclusion1 decks2 decks
50%synergy
Nadir Kraken
50%inclusion1 decks2 decks
46%synergy
Junk Winder
50%inclusion1 decks2 decks
43%synergy
Trickster's Elk
50%inclusion1 decks2 decks
50%synergy
Thrashing Brontodon
50%inclusion1 decks2 decks
50%synergy
Aesi, Tyrant of Gyre Strait
50%inclusion1 decks2 decks
33%synergy
Llanowar Elves
50%inclusion1 decks2 decks
22%synergy
Arasta of the Endless Web
50%inclusion1 decks2 decks
49%synergy
Chasm Skulker
50%inclusion1 decks2 decks
44%synergy
Shrouded Serpent
50%inclusion1 decks2 decks
50%synergy
Scrapdiver Serpent
50%inclusion1 decks2 decks
50%synergy
Stormsurge Kraken
50%inclusion1 decks2 decks
46%synergy
Haywire Mite
50%inclusion1 decks2 decks
49%synergy
Slinn Voda, the Rising Deep
50%inclusion1 decks2 decks
43%synergy
Tolarian Kraken
50%inclusion1 decks2 decks
49%synergy
Harbinger of the Seas
50%inclusion1 decks2 decks
46%synergy
Tromokratis
50%inclusion1 decks2 decks
45%synergy
Predator Ooze
50%inclusion1 decks2 decks
49%synergy
Geode Golem
50%inclusion1 decks2 decks
50%synergy
Manglehorn
50%inclusion1 decks2 decks
46%synergy
Tolarian Terror
50%inclusion1 decks2 decks
49%synergy
Nezahal, Primal Tide
50%inclusion1 decks2 decks
39%synergy
Trygon Predator
50%inclusion1 decks2 decks
43%synergy
Arixmethes, Slumbering Isle
50%inclusion1 decks2 decks
37%synergy
Birds of Paradise
50%inclusion1 decks2 decks
22%synergy
Hullbreaker Horror
50%inclusion1 decks2 decks
32%synergy
Sword Coast Serpent
50%inclusion1 decks2 decks
48%synergy
Rug of Smothering
50%inclusion1 decks2 decks
50%synergy
Lorthos, the Tidemaker
50%inclusion1 decks2 decks
47%synergy
Inkwell Leviathan
50%inclusion1 decks2 decks
46%synergy
Trench Behemoth
50%inclusion1 decks2 decks
47%synergy
Shipbreaker Kraken
50%inclusion1 decks2 decks
47%synergy
Snapping Voidcraw
50%inclusion1 decks2 decks
48%synergy
Simic Sky Swallower
50%inclusion1 decks2 decks
46%synergy
Titan of Littjara
50%inclusion1 decks2 decks
49%synergy
Llanowar Visionary
50%inclusion1 decks2 decks
49%synergy
Instants
Growth Spiral
100%inclusion2 decks2 decks
56%synergy
Counterspell
100%inclusion2 decks2 decks
50%synergy
Pongify
50%inclusion1 decks2 decks
25%synergy
Rapid Hybridization
50%inclusion1 decks2 decks
24%synergy
Snakeskin Veil
50%inclusion1 decks2 decks
44%synergy
Refute
50%inclusion1 decks2 decks
48%synergy
Return of the Wildspeaker
50%inclusion1 decks2 decks
40%synergy
Negate
50%inclusion1 decks2 decks
24%synergy
Brainstorm
50%inclusion1 decks2 decks
36%synergy
Tyvar's Stand
50%inclusion1 decks2 decks
47%synergy
Blinding Fog
50%inclusion1 decks2 decks
50%synergy
Time Stop
50%inclusion1 decks2 decks
50%synergy
Keep Safe
50%inclusion1 decks2 decks
50%synergy
Reality Shift
50%inclusion1 decks2 decks
35%synergy
Opt
50%inclusion1 decks2 decks
43%synergy
Strix Serenade
50%inclusion1 decks2 decks
46%synergy
Bane's Contingency
50%inclusion1 decks2 decks
49%synergy
Unsummon
50%inclusion1 decks2 decks
49%synergy
Engulf the Shore
50%inclusion1 decks2 decks
48%synergy
Wash Away
50%inclusion1 decks2 decks
48%synergy
Snap
50%inclusion1 decks2 decks
46%synergy
Sink into Stupor
50%inclusion1 decks2 decks
39%synergy
Voidslime
50%inclusion1 decks2 decks
45%synergy
Annul
50%inclusion1 decks2 decks
49%synergy
High Tide
50%inclusion1 decks2 decks
48%synergy
Sorceries
River's Rebuke
100%inclusion2 decks2 decks
97%synergy
Kodama's Reach
50%inclusion1 decks2 decks
13%synergy
Three Visits
50%inclusion1 decks2 decks
27%synergy
Gitaxian Probe
50%inclusion1 decks2 decks
48%synergy
Atraxa's Fall
50%inclusion1 decks2 decks
50%synergy
Farseek
50%inclusion1 decks2 decks
26%synergy
Titania's Command
50%inclusion1 decks2 decks
49%synergy
Rampant Growth
50%inclusion1 decks2 decks
9%synergy
Cultivate
50%inclusion1 decks2 decks
3%synergy
Migration Path
50%inclusion1 decks2 decks
47%synergy
Overwhelming Stampede
50%inclusion1 decks2 decks
38%synergy
Whelming Wave
50%inclusion1 decks2 decks
39%synergy
Utility Artifacts
Giant's Amulet
50%inclusion1 decks2 decks
50%synergy
Glaring Spotlight
50%inclusion1 decks2 decks
50%synergy
Weathered Runestone
50%inclusion1 decks2 decks
50%synergy
Vexing Bauble
50%inclusion1 decks2 decks
50%synergy
Torpor Orb
50%inclusion1 decks2 decks
50%synergy
Kefnet's Monument
50%inclusion1 decks2 decks
49%synergy
Winter Moon
50%inclusion1 decks2 decks
50%synergy
Swiftfoot Boots
50%inclusion1 decks2 decks
24%synergy
Lightning Greaves
50%inclusion1 decks2 decks
28%synergy
Quicksilver Amulet
50%inclusion1 decks2 decks
49%synergy
Sapphire Medallion
50%inclusion1 decks2 decks
47%synergy
Enchantments
Kindred Discovery
50%inclusion1 decks2 decks
40%synergy
Back to Basics
50%inclusion1 decks2 decks
50%synergy
Garruk's Uprising
50%inclusion1 decks2 decks
34%synergy
Imprisoned in the Moon
50%inclusion1 decks2 decks
46%synergy
Unable to Scream
50%inclusion1 decks2 decks
49%synergy
Hall of Gemstone
50%inclusion1 decks2 decks
50%synergy
Quest for Ula's Temple
50%inclusion1 decks2 decks
47%synergy
Utter Insignificance
50%inclusion1 decks2 decks
49%synergy
Ominous Seas
50%inclusion1 decks2 decks
46%synergy
Tribute to the World Tree
50%inclusion1 decks2 decks
43%synergy
Stasis Field
50%inclusion1 decks2 decks
50%synergy
Kiora Bests the Sea God
50%inclusion1 decks2 decks
48%synergy
Kenrith's Transformation
50%inclusion1 decks2 decks
45%synergy
Witness Protection
50%inclusion1 decks2 decks
47%synergy
Stasis
50%inclusion1 decks2 decks
50%synergy
Retreat to Coralhelm
50%inclusion1 decks2 decks
40%synergy
Confounding Conundrum
50%inclusion1 decks2 decks
50%synergy
Planeswalkers
Kiora, the Crashing Wave
50%inclusion1 decks2 decks
47%synergy
Oko, Thief of Crowns
50%inclusion1 decks2 decks
43%synergy
Utility Lands
Restless Vinestalk
50%inclusion1 decks2 decks
44%synergy
Mosswort Bridge
50%inclusion1 decks2 decks
33%synergy
Yavimaya, Cradle of Growth
50%inclusion1 decks2 decks
28%synergy
Reliquary Tower
50%inclusion1 decks2 decks
0%synergy
Castle Vantress
50%inclusion1 decks2 decks
43%synergy
Temple of the False God
50%inclusion1 decks2 decks
34%synergy
Rogue's Passage
50%inclusion1 decks2 decks
28%synergy
Mana Artifacts
Arcane Signet
50%inclusion1 decks2 decks
-13%synergy
Simic Signet
50%inclusion1 decks2 decks
18%synergy
Sol Ring
50%inclusion1 decks2 decks
-31%synergy
Lands
Yavimaya Coast
100%inclusion2 decks2 decks
48%synergy
Temple of Mystery
100%inclusion2 decks2 decks
61%synergy
Island
100%inclusion2 decks2 decks
5%synergy
Forest
100%inclusion2 decks2 decks
5%synergy
Hinterland Harbor
100%inclusion2 decks2 decks
41%synergy
Simic Growth Chamber
50%inclusion1 decks2 decks
1%synergy
Command Tower
50%inclusion1 decks2 decks
-35%synergy
Breeding Pool
50%inclusion1 decks2 decks
5%synergy
Vineglimmer Snarl
50%inclusion1 decks2 decks
11%synergy
Secluded Courtyard
50%inclusion1 decks2 decks
42%synergy
Evolving Wilds
50%inclusion1 decks2 decks
25%synergy
Lush Oasis
50%inclusion1 decks2 decks
44%synergy
Sink into Stupor
50%inclusion1 decks2 decks
39%synergy
Rejuvenating Springs
50%inclusion1 decks2 decks
6%synergy
Flooded Grove
50%inclusion1 decks2 decks
10%synergy
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