The Monstrous Serpent (Commander) - Landfall

Original Name:

Koma, Cosmos SerpentKoma, Cosmos Serpent

The Monstrous Serpent
Rank #306
21decks
As CommanderAs CardAverage DeckDecks
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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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Wan Shi Tong, Librarian
17%inclusion1 decks6 decks
11%synergy
Shared Roots
17%inclusion1 decks6 decks
13%synergy
High Synergy Cards
Aesi, Tyrant of Gyre Strait
86%inclusion18 decks21 decks
68%synergy
Rampaging Baloths
71%inclusion15 decks21 decks
55%synergy
Tatyova, Benthic Druid
81%inclusion17 decks21 decks
50%synergy
Adrix and Nev, Twincasters
52%inclusion11 decks21 decks
44%synergy
Junk Winder
48%inclusion10 decks21 decks
41%synergy
Koma, World-Eater
53%inclusion9 decks17 decks
40%synergy
Scute Swarm
57%inclusion12 decks21 decks
36%synergy
Exploration
48%inclusion10 decks21 decks
34%synergy
Cultivate
81%inclusion17 decks21 decks
34%synergy
Arixmethes, Slumbering Isle
48%inclusion10 decks21 decks
34%synergy
Top Cards
Growth Spiral
71%inclusion15 decks21 decks
27%synergy
Kodama's Reach
62%inclusion13 decks21 decks
26%synergy
Beast Within
52%inclusion11 decks21 decks
3%synergy
Counterspell
52%inclusion11 decks21 decks
2%synergy
An Offer You Can't Refuse
48%inclusion10 decks21 decks
24%synergy
Avenger of Zendikar
48%inclusion10 decks21 decks
30%synergy
Azusa, Lost but Seeking
48%inclusion10 decks21 decks
34%synergy
Rampant Growth
48%inclusion10 decks21 decks
7%synergy
Explore
48%inclusion10 decks21 decks
27%synergy
Lotus Cobra
43%inclusion9 decks21 decks
29%synergy
Game Changers
Rhystic Study
33%inclusion7 decks21 decks
12%synergy
Fierce Guardianship
29%inclusion6 decks21 decks
11%synergy
Cyclonic Rift
29%inclusion6 decks21 decks
3%synergy
Seedborn Muse
19%inclusion4 decks21 decks
3%synergy
Force of Will
14%inclusion3 decks21 decks
4%synergy
The One Ring
10%inclusion2 decks21 decks
2%synergy
Worldly Tutor
10%inclusion2 decks21 decks
-6%synergy
Creatures
Tireless Provisioner
43%inclusion9 decks21 decks
28%synergy
Hullbreaker Horror
43%inclusion9 decks21 decks
25%synergy
Llanowar Elves
38%inclusion8 decks21 decks
10%synergy
Sakura-Tribe Elder
38%inclusion8 decks21 decks
19%synergy
Murkfiend Liege
33%inclusion7 decks21 decks
19%synergy
Coiling Oracle
33%inclusion7 decks21 decks
20%synergy
Roil Elemental
33%inclusion7 decks21 decks
30%synergy
Dryad of the Ilysian Grove
33%inclusion7 decks21 decks
23%synergy
Serpent of Yawning Depths
33%inclusion7 decks21 decks
27%synergy
Ancient Greenwarden
29%inclusion6 decks21 decks
21%synergy
Elvish Mystic
29%inclusion6 decks21 decks
5%synergy
Reclamation Sage
24%inclusion5 decks21 decks
10%synergy
Ashaya, Soul of the Wild
24%inclusion5 decks21 decks
15%synergy
Greensleeves, Maro-Sorcerer
24%inclusion5 decks21 decks
21%synergy
Eternal Witness
24%inclusion5 decks21 decks
3%synergy
Courser of Kruphix
24%inclusion5 decks21 decks
20%synergy
Scourge of Fleets
24%inclusion5 decks21 decks
16%synergy
Spark Double
24%inclusion5 decks21 decks
14%synergy
Esix, Fractal Bloom
24%inclusion5 decks21 decks
20%synergy
Spawning Kraken
24%inclusion5 decks21 decks
16%synergy
Bristly Bill, Spine Sower
20%inclusion4 decks20 decks
14%synergy
Garruk's Packleader
19%inclusion4 decks21 decks
17%synergy
Sporemound
19%inclusion4 decks21 decks
17%synergy
Multani, Yavimaya's Avatar
19%inclusion4 decks21 decks
14%synergy
Ramunap Excavator
19%inclusion4 decks21 decks
8%synergy
Oracle of Mul Daya
19%inclusion4 decks21 decks
10%synergy
Slinn Voda, the Rising Deep
19%inclusion4 decks21 decks
13%synergy
Sakashima of a Thousand Faces
19%inclusion4 decks21 decks
14%synergy
Kiora, Sovereign of the Deep
19%inclusion4 decks21 decks
17%synergy
Fyndhorn Elves
19%inclusion4 decks21 decks
3%synergy
Octomancer
18%inclusion3 decks17 decks
13%synergy
Zimone, Mystery Unraveler
18%inclusion3 decks17 decks
17%synergy
Loot, Exuberant Explorer
18%inclusion3 decks17 decks
10%synergy
Rashmi, Eternities Crafter
14%inclusion3 decks21 decks
11%synergy
Oran-Rief Hydra
14%inclusion3 decks21 decks
13%synergy
Kazandu Mammoth
14%inclusion3 decks21 decks
14%synergy
Xolatoyac, the Smiling Flood
14%inclusion3 decks21 decks
7%synergy
Thrasios, Triton Hero
14%inclusion3 decks21 decks
7%synergy
Kenessos, Priest of Thassa
14%inclusion3 decks21 decks
12%synergy
Titania, Nature's Force
14%inclusion3 decks21 decks
14%synergy
Nadir Kraken
14%inclusion3 decks21 decks
10%synergy
Ruin Crab
14%inclusion3 decks21 decks
12%synergy
Craterhoof Behemoth
14%inclusion3 decks21 decks
5%synergy
Sakashima the Impostor
14%inclusion3 decks21 decks
12%synergy
Evolution Sage
14%inclusion3 decks21 decks
4%synergy
Nissa, Resurgent Animist
14%inclusion3 decks21 decks
11%synergy
Nezahal, Primal Tide
14%inclusion3 decks21 decks
3%synergy
Gala Greeters
14%inclusion3 decks21 decks
13%synergy
Arboreal Grazer
14%inclusion3 decks21 decks
12%synergy
Birds of Paradise
14%inclusion3 decks21 decks
-14%synergy
Instants
Pongify
29%inclusion6 decks21 decks
4%synergy
Eureka Moment
29%inclusion6 decks21 decks
18%synergy
Negate
29%inclusion6 decks21 decks
3%synergy
Krosan Grip
24%inclusion5 decks21 decks
16%synergy
Second Harvest
24%inclusion5 decks21 decks
17%synergy
Harrow
24%inclusion5 decks21 decks
12%synergy
Swan Song
24%inclusion5 decks21 decks
5%synergy
Simic Charm
24%inclusion5 decks21 decks
16%synergy
Double Major
24%inclusion5 decks21 decks
15%synergy
Heroic Intervention
19%inclusion4 decks21 decks
-11%synergy
Entish Restoration
19%inclusion4 decks21 decks
10%synergy
Mana Drain
19%inclusion4 decks21 decks
3%synergy
Arcane Denial
19%inclusion4 decks21 decks
-4%synergy
Return of the Wildspeaker
14%inclusion3 decks21 decks
4%synergy
Aetherspouts
14%inclusion3 decks21 decks
13%synergy
Nature's Claim
14%inclusion3 decks21 decks
4%synergy
Dispel
14%inclusion3 decks21 decks
10%synergy
Aetherize
14%inclusion3 decks21 decks
2%synergy
Perplexing Test
14%inclusion3 decks21 decks
10%synergy
Collective Resistance
11%inclusion2 decks19 decks
7%synergy
Consult the Star Charts
10%inclusion1 decks10 decks
8%synergy
Rapid Hybridization
10%inclusion2 decks21 decks
-17%synergy
Deprive
10%inclusion2 decks21 decks
8%synergy
Decisive Denial
10%inclusion2 decks21 decks
4%synergy
Plasm Capture
10%inclusion2 decks21 decks
6%synergy
Brainstorm
10%inclusion2 decks21 decks
-5%synergy
Khalni Ambush
10%inclusion2 decks21 decks
8%synergy
Blue Sun's Zenith
10%inclusion2 decks21 decks
7%synergy
Reality Shift
10%inclusion2 decks21 decks
-5%synergy
Bane's Contingency
10%inclusion2 decks21 decks
9%synergy
Sprout Swarm
10%inclusion2 decks21 decks
9%synergy
Force of Negation
10%inclusion2 decks21 decks
1%synergy
Rewind
10%inclusion2 decks21 decks
7%synergy
Tamiyo's Safekeeping
10%inclusion2 decks21 decks
4%synergy
Into the Roil
10%inclusion2 decks21 decks
8%synergy
Defend the Rider
9.1%inclusion1 decks11 decks
8%synergy
Refute
5.9%inclusion1 decks17 decks
4%synergy
Long River's Pull
5.9%inclusion1 decks17 decks
2%synergy
Planar Genesis
5.3%inclusion1 decks19 decks
-6%synergy
Sink into Stupor
5.3%inclusion1 decks19 decks
-6%synergy
Three Steps Ahead
5.0%inclusion1 decks20 decks
2%synergy
Smuggler's Surprise
5.0%inclusion1 decks20 decks
3%synergy
Fleeting Reflection
5.0%inclusion1 decks20 decks
5%synergy
Sorceries
Whelming Wave
43%inclusion9 decks21 decks
32%synergy
Farseek
33%inclusion7 decks21 decks
8%synergy
Nature's Lore
29%inclusion6 decks21 decks
-2%synergy
Three Visits
24%inclusion5 decks21 decks
1%synergy
Urban Evolution
24%inclusion5 decks21 decks
14%synergy
Irenicus's Vile Duplication
19%inclusion4 decks21 decks
13%synergy
Overwhelming Stampede
19%inclusion4 decks21 decks
7%synergy
Quantum Misalignment
14%inclusion3 decks21 decks
11%synergy
Skyshroud Claim
14%inclusion3 decks21 decks
5%synergy
Tempt with Discovery
14%inclusion3 decks21 decks
10%synergy
Harmonize
14%inclusion3 decks21 decks
9%synergy
Rishkar's Expertise
14%inclusion3 decks21 decks
6%synergy
Migration Path
14%inclusion3 decks21 decks
11%synergy
Preposterous Proportions
12%inclusion2 decks17 decks
10%synergy
Will of the Sultai
10%inclusion1 decks10 decks
10%synergy
Walk the Aeons
10%inclusion2 decks21 decks
7%synergy
Overrun
10%inclusion2 decks21 decks
7%synergy
Circuitous Route
10%inclusion2 decks21 decks
7%synergy
Hour of Promise
10%inclusion2 decks21 decks
6%synergy
Curse of the Swine
10%inclusion2 decks21 decks
-1%synergy
Broken Bond
10%inclusion2 decks21 decks
5%synergy
Search for Tomorrow
10%inclusion2 decks21 decks
5%synergy
Explosive Vegetation
10%inclusion2 decks21 decks
4%synergy
Bushwhack
10%inclusion2 decks21 decks
8%synergy
Shamanic Revelation
10%inclusion2 decks21 decks
4%synergy
Bala Ged Recovery
10%inclusion2 decks21 decks
0%synergy
Summer Bloom
10%inclusion2 decks21 decks
7%synergy
Regrowth
10%inclusion2 decks21 decks
6%synergy
Disorienting Choice
5.9%inclusion1 decks17 decks
3%synergy
For the Common Good
5.9%inclusion1 decks17 decks
4%synergy
Viewpoint Synchronization
5.3%inclusion1 decks19 decks
5%synergy
Bridgeworks Battle
5.3%inclusion1 decks19 decks
1%synergy
Utility Artifacts
Helm of the Host
29%inclusion6 decks21 decks
23%synergy
Swiftfoot Boots
24%inclusion5 decks21 decks
-2%synergy
Combine Chrysalis
19%inclusion4 decks21 decks
15%synergy
Eternity Vessel
19%inclusion4 decks21 decks
19%synergy
Bitterthorn, Nissa's Animus
14%inclusion3 decks21 decks
14%synergy
The Great Henge
14%inclusion3 decks21 decks
5%synergy
Lightning Greaves
14%inclusion3 decks21 decks
-7%synergy
Bident of Thassa
14%inclusion3 decks21 decks
7%synergy
Chocobo Racetrack
10%inclusion1 decks10 decks
9%synergy
Mirror Box
10%inclusion2 decks21 decks
6%synergy
Perilous Vault
10%inclusion2 decks21 decks
9%synergy
Howling Mine
10%inclusion2 decks21 decks
9%synergy
Conduit of Worlds
10%inclusion2 decks21 decks
4%synergy
Lavaspur Boots
5.0%inclusion1 decks20 decks
4%synergy
Enchantments
Elemental Bond
38%inclusion8 decks21 decks
32%synergy
Doubling Season
33%inclusion7 decks21 decks
24%synergy
Retreat to Coralhelm
33%inclusion7 decks21 decks
24%synergy
Khalni Heart Expedition
29%inclusion6 decks21 decks
25%synergy
Druid Class
29%inclusion6 decks21 decks
24%synergy
Parallel Lives
24%inclusion5 decks21 decks
18%synergy
Burgeoning
24%inclusion5 decks21 decks
17%synergy
Sylvan Library
19%inclusion4 decks21 decks
10%synergy
Hadana's Climb
19%inclusion4 decks21 decks
15%synergy
Zendikar's Roil
19%inclusion4 decks21 decks
15%synergy
Primeval Bounty
19%inclusion4 decks21 decks
17%synergy
Spelunking
14%inclusion3 decks21 decks
9%synergy
Garruk's Uprising
14%inclusion3 decks21 decks
-2%synergy
Rites of Flourishing
14%inclusion3 decks21 decks
12%synergy
Mystic Remora
14%inclusion3 decks21 decks
-1%synergy
Abundance
14%inclusion3 decks21 decks
12%synergy
Encroaching Dragonstorm
10%inclusion1 decks10 decks
9%synergy
Eusocial Engineering
10%inclusion1 decks10 decks
9%synergy
Kindred Discovery
10%inclusion2 decks21 decks
0%synergy
Verity Circle
10%inclusion2 decks21 decks
9%synergy
Case of the Locked Hothouse
10%inclusion2 decks21 decks
6%synergy
Primal Empathy
10%inclusion2 decks21 decks
7%synergy
Virtue of Strength
10%inclusion2 decks21 decks
7%synergy
Wizard Class
10%inclusion2 decks21 decks
4%synergy
Retreat to Kazandu
10%inclusion2 decks21 decks
5%synergy
Wilderness Reclamation
10%inclusion2 decks21 decks
1%synergy
Tribute to the World Tree
10%inclusion2 decks21 decks
3%synergy
Unnatural Growth
10%inclusion2 decks21 decks
6%synergy
Primal Vigor
10%inclusion2 decks21 decks
6%synergy
Propaganda
10%inclusion2 decks21 decks
3%synergy
Growing Rites of Itlimoc
10%inclusion2 decks21 decks
4%synergy
Ior Ruin Expedition
10%inclusion2 decks21 decks
9%synergy
Fortune Teller's Talent
5.9%inclusion1 decks17 decks
5%synergy
Unable to Scream
5.9%inclusion1 decks17 decks
5%synergy
Fisher's Talent
5.9%inclusion1 decks17 decks
4%synergy
Innkeeper's Talent
5.9%inclusion1 decks17 decks
1%synergy
Amphibian Downpour
5.3%inclusion1 decks19 decks
0%synergy
Battles
Invasion of Zendikar
14%inclusion3 decks21 decks
13%synergy
Planeswalkers
Oko, Thief of Crowns
24%inclusion5 decks21 decks
17%synergy
Kiora, Master of the Depths
10%inclusion2 decks21 decks
7%synergy
Kiora, the Crashing Wave
10%inclusion2 decks21 decks
7%synergy
Wrenn and Seven
10%inclusion2 decks21 decks
7%synergy
Kaito, Cunning Infiltrator
5.9%inclusion1 decks17 decks
6%synergy
Utility Lands
Reliquary Tower
43%inclusion9 decks21 decks
-7%synergy
Boseiju, Who Endures
24%inclusion5 decks21 decks
1%synergy
Temple of the False God
19%inclusion4 decks21 decks
4%synergy
Otawara, Soaring City
19%inclusion4 decks21 decks
0%synergy
Alchemist's Refuge
14%inclusion3 decks21 decks
-3%synergy
Coral Atoll
14%inclusion3 decks21 decks
12%synergy
Guildless Commons
14%inclusion3 decks21 decks
11%synergy
Jungle Basin
14%inclusion3 decks21 decks
12%synergy
Mistrise Village
10%inclusion1 decks10 decks
-1%synergy
Restless Vinestalk
10%inclusion2 decks21 decks
4%synergy
Lotus Field
10%inclusion2 decks21 decks
8%synergy
Mosswort Bridge
10%inclusion2 decks21 decks
-8%synergy
Command Beacon
10%inclusion2 decks21 decks
5%synergy
Yavimaya, Cradle of Growth
10%inclusion2 decks21 decks
-13%synergy
Castle Vantress
10%inclusion2 decks21 decks
3%synergy
Castle Garenbrig
10%inclusion2 decks21 decks
5%synergy
Mana Artifacts
Sol Ring
71%inclusion15 decks21 decks
-9%synergy
Arcane Signet
48%inclusion10 decks21 decks
-15%synergy
Simic Signet
24%inclusion5 decks21 decks
-8%synergy
Talisman of Curiosity
19%inclusion4 decks21 decks
-3%synergy
Thought Vessel
14%inclusion3 decks21 decks
-6%synergy
Commander's Sphere
10%inclusion2 decks21 decks
1%synergy
Lands
Island
100%inclusion21 decks21 decks
5%synergy
Forest
100%inclusion21 decks21 decks
5%synergy
Command Tower
76%inclusion16 decks21 decks
-9%synergy
Simic Growth Chamber
71%inclusion15 decks21 decks
23%synergy
Hinterland Harbor
62%inclusion13 decks21 decks
2%synergy
Dreamroot Cascade
52%inclusion11 decks21 decks
10%synergy
Breeding Pool
48%inclusion10 decks21 decks
1%synergy
Evolving Wilds
48%inclusion10 decks21 decks
23%synergy
Terramorphic Expanse
43%inclusion9 decks21 decks
23%synergy
Temple of Mystery
43%inclusion9 decks21 decks
5%synergy
Rejuvenating Springs
43%inclusion9 decks21 decks
-1%synergy
Flooded Grove
43%inclusion9 decks21 decks
2%synergy
Yavimaya Coast
38%inclusion8 decks21 decks
-14%synergy
Blighted Woodland
33%inclusion7 decks21 decks
26%synergy
Exotic Orchard
33%inclusion7 decks21 decks
9%synergy
Barkchannel Pathway
29%inclusion6 decks21 decks
8%synergy
Rimewood Falls
29%inclusion6 decks21 decks
19%synergy
Hedge Maze
29%inclusion6 decks21 decks
9%synergy
Misty Rainforest
24%inclusion5 decks21 decks
-8%synergy
Vineglimmer Snarl
24%inclusion5 decks21 decks
-15%synergy
Tangled Islet
24%inclusion5 decks21 decks
8%synergy
Botanical Sanctum
24%inclusion5 decks21 decks
11%synergy
Thornwood Falls
24%inclusion5 decks21 decks
6%synergy
Fabled Passage
19%inclusion4 decks21 decks
5%synergy
Myriad Landscape
19%inclusion4 decks21 decks
-3%synergy
Overflowing Basin
19%inclusion4 decks21 decks
0%synergy
Kazandu Mammoth
14%inclusion3 decks21 decks
14%synergy
Brokers Hideout
14%inclusion3 decks21 decks
9%synergy
Horizon of Progress
11%inclusion2 decks19 decks
5%synergy
Lush Oasis
10%inclusion2 decks20 decks
4%synergy
Quandrix Campus
10%inclusion2 decks21 decks
3%synergy
Khalni Ambush
10%inclusion2 decks21 decks
8%synergy
Kitchen
10%inclusion2 decks21 decks
9%synergy
Tangled Florahedron
10%inclusion2 decks21 decks
8%synergy
Glasspool Mimic
10%inclusion2 decks21 decks
5%synergy
Bala Ged Recovery
10%inclusion2 decks21 decks
0%synergy
Woodland Stream
10%inclusion2 decks21 decks
4%synergy
Willowrush Verge
9.1%inclusion1 decks11 decks
-8%synergy
Disciple of Freyalise
5.3%inclusion1 decks19 decks
0%synergy
Talon Gates of Madara
5.3%inclusion1 decks19 decks
-2%synergy
Bridgeworks Battle
5.3%inclusion1 decks19 decks
1%synergy
Sink into Stupor
5.3%inclusion1 decks19 decks
-6%synergy
Drowner of Truth
5.3%inclusion1 decks19 decks
3%synergy
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