Koma, Cosmos Serpent (Commander) - Expensive Optimized Ramp

Alternate Names:

The Monstrous SerpentThe Monstrous Serpent

Koma, Cosmos Serpent
Rank #300
2decks
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.
Deck Filters
Cardsphere
Archidekt
Commander Spellbook
Moxfield
Scryfall
Game Changers
Creatures
Instants
Sorceries
Utility Artifacts
Enchantments
Planeswalkers
Utility Lands
Mana Artifacts
Lands
Back to Top
Ancient Tomb
100%inclusion2 decks2 decks
91%synergy
Consecrated Sphinx
100%inclusion2 decks2 decks
91%synergy
Seedborn Muse
100%inclusion2 decks2 decks
84%synergy
Rhystic Study
100%inclusion2 decks2 decks
78%synergy
Gaea's Cradle
100%inclusion2 decks2 decks
93%synergy
Force of Will
100%inclusion2 decks2 decks
90%synergy
Fierce Guardianship
100%inclusion2 decks2 decks
83%synergy
Cyclonic Rift
100%inclusion2 decks2 decks
74%synergy
Worldly Tutor
100%inclusion2 decks2 decks
85%synergy
Crop Rotation
50%inclusion1 decks2 decks
37%synergy
Creatures
Adrix and Nev, Twincasters
100%inclusion2 decks2 decks
92%synergy
Eternal Witness
100%inclusion2 decks2 decks
79%synergy
Llanowar Elves
100%inclusion2 decks2 decks
72%synergy
Craterhoof Behemoth
100%inclusion2 decks2 decks
91%synergy
Spark Double
100%inclusion2 decks2 decks
90%synergy
Sakashima of a Thousand Faces
100%inclusion2 decks2 decks
95%synergy
Sakashima the Impostor
100%inclusion2 decks2 decks
97%synergy
Serpent of Yawning Depths
100%inclusion2 decks2 decks
94%synergy
Birds of Paradise
100%inclusion2 decks2 decks
72%synergy
Spawning Kraken
100%inclusion2 decks2 decks
93%synergy
Garruk's Packleader
50%inclusion1 decks2 decks
48%synergy
Koma, World-Eater
50%inclusion1 decks2 decks
37%synergy
High Fae Trickster
50%inclusion1 decks2 decks
46%synergy
Enduring Vitality
50%inclusion1 decks2 decks
43%synergy
Roaming Throne
50%inclusion1 decks2 decks
42%synergy
Elvish Mystic
50%inclusion1 decks2 decks
26%synergy
Junk Winder
50%inclusion1 decks2 decks
43%synergy
Aesi, Tyrant of Gyre Strait
50%inclusion1 decks2 decks
33%synergy
Elvish Spirit Guide
50%inclusion1 decks2 decks
45%synergy
Fanatic of Rhonas
50%inclusion1 decks2 decks
44%synergy
Kinnan, Bonder Prodigy
50%inclusion1 decks2 decks
47%synergy
Ohran Frostfang
50%inclusion1 decks2 decks
46%synergy
Hullbreaker Horror
50%inclusion1 decks2 decks
32%synergy
Guardian Augmenter
50%inclusion1 decks2 decks
49%synergy
Vorinclex, Voice of Hunger
50%inclusion1 decks2 decks
47%synergy
Fyndhorn Elves
50%inclusion1 decks2 decks
34%synergy
Sakura-Tribe Elder
50%inclusion1 decks2 decks
31%synergy
Ledger Shredder
50%inclusion1 decks2 decks
48%synergy
Nightshade Dryad
50%inclusion1 decks2 decks
49%synergy
Instants
An Offer You Can't Refuse
100%inclusion2 decks2 decks
77%synergy
Negate
100%inclusion2 decks2 decks
74%synergy
Second Harvest
100%inclusion2 decks2 decks
94%synergy
Mana Drain
100%inclusion2 decks2 decks
84%synergy
Counterspell
100%inclusion2 decks2 decks
50%synergy
Heroic Intervention
50%inclusion1 decks2 decks
20%synergy
Growth Spiral
50%inclusion1 decks2 decks
5%synergy
Brainstorm
50%inclusion1 decks2 decks
36%synergy
Archdruid's Charm
50%inclusion1 decks2 decks
44%synergy
Chord of Calling
50%inclusion1 decks2 decks
42%synergy
Beast Within
50%inclusion1 decks2 decks
0%synergy
Keep Watch
50%inclusion1 decks2 decks
50%synergy
Swan Song
50%inclusion1 decks2 decks
31%synergy
Force of Negation
50%inclusion1 decks2 decks
41%synergy
Sink into Stupor
50%inclusion1 decks2 decks
38%synergy
Abjure
50%inclusion1 decks2 decks
49%synergy
Double Major
50%inclusion1 decks2 decks
42%synergy
Mystical Tutor
50%inclusion1 decks2 decks
41%synergy
Sorceries
Three Visits
100%inclusion2 decks2 decks
77%synergy
Skyshroud Claim
100%inclusion2 decks2 decks
91%synergy
Farseek
100%inclusion2 decks2 decks
75%synergy
Finale of Devastation
100%inclusion2 decks2 decks
88%synergy
Nature's Lore
100%inclusion2 decks2 decks
70%synergy
Whelming Wave
100%inclusion2 decks2 decks
89%synergy
Green Sun's Zenith
50%inclusion1 decks2 decks
41%synergy
Kodama's Reach
50%inclusion1 decks2 decks
14%synergy
Quantum Misalignment
50%inclusion1 decks2 decks
47%synergy
Mind Spring
50%inclusion1 decks2 decks
49%synergy
Lórien Revealed
50%inclusion1 decks2 decks
47%synergy
Rampant Growth
50%inclusion1 decks2 decks
9%synergy
Cultivate
50%inclusion1 decks2 decks
3%synergy
Irenicus's Vile Duplication
50%inclusion1 decks2 decks
44%synergy
Doppelgang
50%inclusion1 decks2 decks
43%synergy
Utility Artifacts
Helm of the Host
100%inclusion2 decks2 decks
95%synergy
The One Ring
50%inclusion1 decks2 decks
42%synergy
Swiftfoot Boots
50%inclusion1 decks2 decks
24%synergy
Lightning Greaves
50%inclusion1 decks2 decks
28%synergy
Enchantments
Doubling Season
100%inclusion2 decks2 decks
90%synergy
Tribute to the World Tree
100%inclusion2 decks2 decks
94%synergy
Parallel Lives
100%inclusion2 decks2 decks
94%synergy
Sylvan Library
100%inclusion2 decks2 decks
91%synergy
Elemental Bond
100%inclusion2 decks2 decks
94%synergy
Mystic Remora
50%inclusion1 decks2 decks
35%synergy
Defense of the Heart
50%inclusion1 decks2 decks
48%synergy
Planeswalkers
Oko, Thief of Crowns
50%inclusion1 decks2 decks
43%synergy
Utility Lands
Yavimaya, Cradle of Growth
100%inclusion2 decks2 decks
78%synergy
Mystic Sanctuary
50%inclusion1 decks2 decks
37%synergy
Mistrise Village
50%inclusion1 decks2 decks
39%synergy
Alchemist's Refuge
50%inclusion1 decks2 decks
33%synergy
Command Beacon
50%inclusion1 decks2 decks
46%synergy
Field of the Dead
50%inclusion1 decks2 decks
44%synergy
Boseiju, Who Endures
50%inclusion1 decks2 decks
28%synergy
Reliquary Tower
50%inclusion1 decks2 decks
0%synergy
Three Tree City
50%inclusion1 decks2 decks
45%synergy
Castle Garenbrig
50%inclusion1 decks2 decks
45%synergy
Evendo, Waking Haven
50%inclusion1 decks2 decks
45%synergy
Mana Artifacts
Arcane Signet
100%inclusion2 decks2 decks
37%synergy
Sol Ring
100%inclusion2 decks2 decks
19%synergy
Talisman of Curiosity
100%inclusion2 decks2 decks
78%synergy
Thought Vessel
100%inclusion2 decks2 decks
80%synergy
Lotus Petal
50%inclusion1 decks2 decks
43%synergy
Mana Vault
50%inclusion1 decks2 decks
44%synergy
Chrome Mox
50%inclusion1 decks2 decks
43%synergy
Mox Diamond
50%inclusion1 decks2 decks
45%synergy
Lands
Command Tower
100%inclusion2 decks2 decks
15%synergy
Breeding Pool
100%inclusion2 decks2 decks
54%synergy
Tropical Island
100%inclusion2 decks2 decks
86%synergy
Island
100%inclusion2 decks2 decks
5%synergy
Forest
100%inclusion2 decks2 decks
5%synergy
Blighted Woodland
50%inclusion1 decks2 decks
43%synergy
Misty Rainforest
50%inclusion1 decks2 decks
19%synergy
Myriad Landscape
50%inclusion1 decks2 decks
28%synergy
Windswept Heath
50%inclusion1 decks2 decks
40%synergy
Yavimaya Coast
50%inclusion1 decks2 decks
-2%synergy
Horizon of Progress
50%inclusion1 decks2 decks
45%synergy
Barkchannel Pathway
50%inclusion1 decks2 decks
30%synergy
Wooded Foothills
50%inclusion1 decks2 decks
40%synergy
Verdant Catacombs
50%inclusion1 decks2 decks
40%synergy
Waterlogged Grove
50%inclusion1 decks2 decks
29%synergy
Talon Gates of Madara
50%inclusion1 decks2 decks
42%synergy
Sink into Stupor
50%inclusion1 decks2 decks
38%synergy
Gemstone Caverns
50%inclusion1 decks2 decks
44%synergy
Willowrush Verge
50%inclusion1 decks2 decks
34%synergy
Hedge Maze
50%inclusion1 decks2 decks
30%synergy
Mana Confluence
50%inclusion1 decks2 decks
44%synergy
Rejuvenating Springs
50%inclusion1 decks2 decks
6%synergy
Polluted Delta
50%inclusion1 decks2 decks
40%synergy
City of Brass
50%inclusion1 decks2 decks
44%synergy
Flooded Strand
50%inclusion1 decks2 decks
39%synergy
About UsContactPrivacy PolicyTerms of Service
Space Cow MediaArchidektCardsphereCommander SpellbookFABRECSpellvoid
Space Cow MediaArchidektCommander's Herald
Commander SpellbookFABRECSpellvoid
EDHREC is unofficial Fan Content permitted under the Fan Content Policy. Not approved/endorsed by Wizards. Portions of the materials used are property of Wizards of the Coast. ©Wizards of the Coast LLC.
next@15 test