Koma, Cosmos Serpent (Commander) - Core

Alternate Names:

The Monstrous SerpentThe Monstrous Serpent

Koma, Cosmos Serpent
Rank #342
576decks
As CommanderAs CardAverage DeckDecks
Bracket
All12345
Budget
Any$$$$
Ezra Sassaman
Mar 12, 2026
Ezra Sassaman
Fun Alternatives for the Top Ten Saltiest Commanders
Is your playgroup tired of your Tergrid deck? (Can't blame them.) Then check out this list of replacements for the saltiest commanders.
Deck Filters
Cardsphere
Archidekt
Commander Spellbook
Moxfield
Scryfall
New Cards
High Synergy Cards
Top Cards
Game Changers
Creatures
Instants
Sorceries
Utility Artifacts
Enchantments
Battles
Planeswalkers
Utility Lands
Mana Artifacts
Lands
Back to Top
Mister Fantastic, Reed Richards
7.9%inclusion3 decks38 decks
4%synergy
We Say Thee Nay!
5.9%inclusion2 decks34 decks
5%synergy
Restorative Technique
2.9%inclusion1 decks34 decks
2%synergy
Loki, Lord of Misrule
2.9%inclusion1 decks34 decks
2%synergy
Sauron, Dino Devotee
2.9%inclusion1 decks34 decks
3%synergy
High Synergy Cards
Whelming Wave
74%inclusion424 decks576 decks
63%synergy
Adrix and Nev, Twincasters
66%inclusion382 decks576 decks
57%synergy
Junk Winder
62%inclusion359 decks576 decks
56%synergy
Koma, World-Eater
65%inclusion304 decks469 decks
53%synergy
Elemental Bond
57%inclusion330 decks576 decks
52%synergy
Irenicus's Vile Duplication
47%inclusion270 decks576 decks
41%synergy
Serpent of Yawning Depths
44%inclusion251 decks576 decks
37%synergy
Kodama's Reach
71%inclusion408 decks576 decks
37%synergy
Arixmethes, Slumbering Isle
49%inclusion280 decks576 decks
36%synergy
Garruk's Packleader
37%inclusion213 decks576 decks
35%synergy
Top Cards
Cultivate
79%inclusion456 decks576 decks
33%synergy
Rampant Growth
72%inclusion412 decks576 decks
32%synergy
Counterspell
67%inclusion385 decks576 decks
18%synergy
Growth Spiral
65%inclusion375 decks576 decks
21%synergy
Beast Within
58%inclusion336 decks576 decks
10%synergy
Negate
54%inclusion309 decks576 decks
29%synergy
Aesi, Tyrant of Gyre Strait
49%inclusion285 decks576 decks
32%synergy
Tatyova, Benthic Druid
48%inclusion275 decks576 decks
18%synergy
Nature's Lore
47%inclusion271 decks576 decks
14%synergy
Farseek
45%inclusion261 decks576 decks
19%synergy
Game Changers
Seedborn Muse
10%inclusion58 decks576 decks
-6%synergy
Creatures
Llanowar Elves
44%inclusion256 decks576 decks
17%synergy
Spark Double
44%inclusion251 decks576 decks
35%synergy
Murkfiend Liege
43%inclusion246 decks576 decks
29%synergy
Sakura-Tribe Elder
42%inclusion244 decks576 decks
24%synergy
Spawning Kraken
39%inclusion225 decks576 decks
32%synergy
Elvish Mystic
35%inclusion203 decks576 decks
13%synergy
Slinn Voda, the Rising Deep
35%inclusion200 decks576 decks
29%synergy
Coiling Oracle
32%inclusion186 decks576 decks
20%synergy
Hullbreaker Horror
32%inclusion182 decks576 decks
14%synergy
Esix, Fractal Bloom
28%inclusion160 decks576 decks
24%synergy
Eternal Witness
27%inclusion154 decks576 decks
8%synergy
Summon: Leviathan
26%inclusion66 decks253 decks
19%synergy
Archetype of Imagination
26%inclusion148 decks576 decks
21%synergy
Octomancer
26%inclusion146 decks571 decks
21%synergy
Sakashima of a Thousand Faces
25%inclusion145 decks576 decks
20%synergy
Sakashima the Impostor
24%inclusion139 decks576 decks
22%synergy
Ohran Frostfang
24%inclusion138 decks576 decks
20%synergy
Scourge of Fleets
24%inclusion136 decks576 decks
16%synergy
Birds of Paradise
23%inclusion132 decks576 decks
-5%synergy
Fyndhorn Elves
23%inclusion132 decks576 decks
9%synergy
Nadir Kraken
22%inclusion124 decks576 decks
18%synergy
Reclamation Sage
20%inclusion114 decks576 decks
7%synergy
Enduring Vitality
19%inclusion100 decks540 decks
11%synergy
Xolatoyac, the Smiling Flood
18%inclusion105 decks576 decks
12%synergy
Rampaging Baloths
16%inclusion95 decks576 decks
1%synergy
Avenger of Zendikar
16%inclusion95 decks576 decks
0%synergy
Curiosity Crafter
16%inclusion93 decks576 decks
13%synergy
Scute Swarm
16%inclusion92 decks576 decks
-2%synergy
Stormtide Leviathan
15%inclusion88 decks576 decks
10%synergy
Nezahal, Primal Tide
15%inclusion86 decks576 decks
5%synergy
Troyan, Gutsy Explorer
15%inclusion84 decks576 decks
10%synergy
The Unagi of Kyoshi Island
14%inclusion22 decks157 decks
9%synergy
Fanatic of Rhonas
14%inclusion79 decks576 decks
8%synergy
Inga and Esika
14%inclusion78 decks576 decks
11%synergy
Reef Worm
13%inclusion74 decks576 decks
9%synergy
Craterhoof Behemoth
13%inclusion72 decks576 decks
2%synergy
Starwinder
13%inclusion26 decks208 decks
7%synergy
Kiora, Sovereign of the Deep
12%inclusion70 decks576 decks
10%synergy
Saryth, the Viper's Fang
12%inclusion68 decks576 decks
10%synergy
Tromokratis
11%inclusion66 decks576 decks
7%synergy
Roaming Throne
11%inclusion63 decks576 decks
4%synergy
Toski, Bearer of Secrets
11%inclusion63 decks576 decks
8%synergy
Tireless Provisioner
10%inclusion60 decks576 decks
-3%synergy
Studious First-Year
10%inclusion8 decks78 decks
6%synergy
Enduring Curiosity
10%inclusion53 decks545 decks
7%synergy
Lotus Cobra
9.4%inclusion54 decks576 decks
-3%synergy
Progenitor Mimic
9.2%inclusion53 decks576 decks
5%synergy
Uro, Titan of Nature's Wrath
9.0%inclusion52 decks576 decks
-0%synergy
Chameleon, Master of Disguise
8.8%inclusion16 decks182 decks
7%synergy
Simic Sky Swallower
8.3%inclusion48 decks576 decks
5%synergy
Instants
Double Major
42%inclusion243 decks576 decks
34%synergy
Second Harvest
38%inclusion216 decks576 decks
31%synergy
Return of the Wildspeaker
35%inclusion201 decks576 decks
25%synergy
Arcane Denial
34%inclusion193 decks576 decks
11%synergy
Heroic Intervention
32%inclusion183 decks576 decks
2%synergy
Pongify
31%inclusion179 decks576 decks
6%synergy
Rapid Hybridization
29%inclusion168 decks576 decks
2%synergy
An Offer You Can't Refuse
27%inclusion157 decks576 decks
4%synergy
Simic Charm
25%inclusion146 decks576 decks
18%synergy
Krosan Grip
23%inclusion130 decks576 decks
16%synergy
Reality Shift
22%inclusion127 decks576 decks
8%synergy
Planar Genesis
21%inclusion123 decks576 decks
10%synergy
Eureka Moment
21%inclusion120 decks576 decks
9%synergy
Snakeskin Veil
19%inclusion107 decks576 decks
12%synergy
Aetherize
18%inclusion101 decks576 decks
5%synergy
Harrow
17%inclusion98 decks576 decks
6%synergy
Brainstorm
16%inclusion90 decks576 decks
1%synergy
Nature's Claim
15%inclusion87 decks576 decks
6%synergy
Return to Nature
15%inclusion87 decks576 decks
10%synergy
Voidslime
13%inclusion77 decks576 decks
9%synergy
Tamiyo's Safekeeping
13%inclusion75 decks576 decks
8%synergy
Plasm Capture
12%inclusion68 decks576 decks
9%synergy
Decisive Denial
12%inclusion67 decks576 decks
5%synergy
Entish Restoration
11%inclusion65 decks576 decks
2%synergy
Perplexing Test
11%inclusion65 decks576 decks
6%synergy
Swan Song
10%inclusion56 decks576 decks
-9%synergy
Mystic Reflection
8.7%inclusion50 decks576 decks
6%synergy
Saw It Coming
8.7%inclusion50 decks576 decks
7%synergy
Stubborn Denial
8.2%inclusion47 decks576 decks
5%synergy
Collective Resistance
7.8%inclusion45 decks576 decks
4%synergy
Resculpt
7.6%inclusion44 decks576 decks
3%synergy
Joint Exploration
7.6%inclusion44 decks576 decks
3%synergy
Disdainful Stroke
7.1%inclusion41 decks576 decks
6%synergy
Mana Drain
6.9%inclusion40 decks576 decks
-8%synergy
Sink into Stupor
6.4%inclusion37 decks576 decks
-6%synergy
Tyvar's Stand
6.1%inclusion35 decks576 decks
2%synergy
Sublime Epiphany
6.1%inclusion35 decks576 decks
4%synergy
Archdruid's Charm
5.9%inclusion34 decks576 decks
0%synergy
Mana Leak
5.7%inclusion33 decks576 decks
4%synergy
Dispel
5.6%inclusion32 decks576 decks
2%synergy
Fact or Fiction
5.6%inclusion32 decks576 decks
3%synergy
Cancel
5.4%inclusion31 decks576 decks
3%synergy
Repudiate // Replicate
5.2%inclusion30 decks576 decks
3%synergy
Quandrix Charm
5.1%inclusion4 decks78 decks
-4%synergy
Opt
5.0%inclusion29 decks576 decks
-2%synergy
Sorceries
Explore
37%inclusion212 decks576 decks
17%synergy
Three Visits
33%inclusion188 decks576 decks
7%synergy
Skyshroud Claim
31%inclusion181 decks576 decks
22%synergy
Overwhelming Stampede
27%inclusion156 decks576 decks
15%synergy
Urban Evolution
25%inclusion142 decks576 decks
15%synergy
Shamanic Revelation
22%inclusion126 decks576 decks
17%synergy
Migration Path
21%inclusion119 decks576 decks
17%synergy
Quantum Misalignment
19%inclusion111 decks576 decks
16%synergy
Rite of Replication
18%inclusion101 decks576 decks
10%synergy
Explosive Vegetation
16%inclusion95 decks576 decks
11%synergy
Harmonize
15%inclusion84 decks576 decks
9%synergy
Rishkar's Expertise
14%inclusion82 decks576 decks
5%synergy
Search for Tomorrow
14%inclusion82 decks576 decks
10%synergy
Curse of the Swine
14%inclusion80 decks576 decks
2%synergy
Distant Melody
12%inclusion71 decks576 decks
9%synergy
Shared Roots
10%inclusion16 decks154 decks
5%synergy
Ezuri's Predation
10%inclusion59 decks576 decks
3%synergy
Ravenform
9.0%inclusion52 decks576 decks
5%synergy
Bala Ged Recovery
8.2%inclusion47 decks576 decks
-2%synergy
Doppelgang
8.2%inclusion47 decks576 decks
1%synergy
Echocasting Symposium
8.0%inclusion6 decks75 decks
4%synergy
Broken Bond
7.6%inclusion44 decks576 decks
3%synergy
Preordain
7.5%inclusion43 decks576 decks
-0%synergy
Preposterous Proportions
7.3%inclusion34 decks464 decks
6%synergy
Ponder
6.9%inclusion40 decks576 decks
-0%synergy
Mind into Matter
6.7%inclusion5 decks75 decks
-2%synergy
Triumph of the Hordes
6.4%inclusion37 decks576 decks
4%synergy
Spitting Image
6.4%inclusion37 decks576 decks
5%synergy
Overrun
5.9%inclusion34 decks576 decks
4%synergy
Finale of Revelation
5.9%inclusion34 decks576 decks
-0%synergy
Regrowth
5.9%inclusion34 decks576 decks
3%synergy
Circuitous Route
5.7%inclusion33 decks576 decks
3%synergy
Aggressive Biomancy
5.6%inclusion32 decks576 decks
1%synergy
Vastwood Surge
5.6%inclusion32 decks576 decks
4%synergy
Bridgeworks Battle
5.4%inclusion31 decks576 decks
1%synergy
Utility Artifacts
Swiftfoot Boots
44%inclusion254 decks576 decks
19%synergy
Helm of the Host
34%inclusion197 decks576 decks
29%synergy
Combine Chrysalis
32%inclusion185 decks576 decks
28%synergy
Lightning Greaves
28%inclusion162 decks576 decks
8%synergy
Idol of Oblivion
17%inclusion97 decks576 decks
13%synergy
Mirror Box
15%inclusion88 decks576 decks
12%synergy
Bident of Thassa
13%inclusion75 decks576 decks
6%synergy
Emerald Medallion
10%inclusion58 decks576 decks
7%synergy
Sapphire Medallion
8.2%inclusion47 decks576 decks
5%synergy
Eldrazi Monument
7.1%inclusion41 decks576 decks
7%synergy
Enchantments
Doubling Season
31%inclusion178 decks576 decks
20%synergy
Parallel Lives
31%inclusion178 decks576 decks
25%synergy
Garruk's Uprising
28%inclusion162 decks576 decks
11%synergy
Tribute to the World Tree
28%inclusion162 decks576 decks
22%synergy
Kindred Discovery
21%inclusion120 decks576 decks
12%synergy
Wild Growth
17%inclusion97 decks576 decks
8%synergy
Beastmaster Ascension
16%inclusion95 decks576 decks
13%synergy
Primal Vigor
15%inclusion88 decks576 decks
12%synergy
Growing Rites of Itlimoc
14%inclusion81 decks576 decks
9%synergy
Utopia Sprawl
13%inclusion76 decks576 decks
7%synergy
Wilderness Reclamation
13%inclusion72 decks576 decks
3%synergy
Propaganda
12%inclusion68 decks576 decks
5%synergy
Mystic Remora
11%inclusion65 decks576 decks
-3%synergy
Imprisoned in the Moon
11%inclusion64 decks576 decks
7%synergy
Unnatural Growth
11%inclusion63 decks576 decks
8%synergy
Ominous Seas
10%inclusion57 decks576 decks
6%synergy
Paradox Haze
9.2%inclusion53 decks576 decks
9%synergy
Extravagant Replication
9.0%inclusion52 decks576 decks
7%synergy
Kenrith's Transformation
9.0%inclusion52 decks576 decks
5%synergy
Khalni Heart Expedition
8.7%inclusion50 decks576 decks
5%synergy
Cryptolith Rite
8.0%inclusion46 decks576 decks
5%synergy
Exploration
7.3%inclusion42 decks576 decks
-5%synergy
Verity Circle
6.8%inclusion39 decks576 decks
6%synergy
Asceticism
5.0%inclusion29 decks576 decks
2%synergy
Battles
Invasion of Segovia
5.9%inclusion34 decks576 decks
5%synergy
Invasion of Zendikar
5.7%inclusion33 decks576 decks
4%synergy
Planeswalkers
Oko, Thief of Crowns
13%inclusion72 decks576 decks
6%synergy
Kiora, the Crashing Wave
8.9%inclusion51 decks576 decks
6%synergy
Kiora, Behemoth Beckoner
7.3%inclusion42 decks576 decks
1%synergy
Utility Lands
Reliquary Tower
51%inclusion293 decks576 decks
1%synergy
Temple of the False God
24%inclusion137 decks576 decks
8%synergy
Rogue's Passage
20%inclusion115 decks576 decks
-3%synergy
Mosswort Bridge
19%inclusion112 decks576 decks
2%synergy
Mystic Sanctuary
11%inclusion64 decks576 decks
-1%synergy
Yavimaya, Cradle of Growth
10%inclusion55 decks576 decks
-11%synergy
Alchemist's Refuge
8.3%inclusion48 decks576 decks
-11%synergy
Lumbering Falls
8.3%inclusion48 decks576 decks
2%synergy
Castle Garenbrig
8.2%inclusion47 decks576 decks
4%synergy
Command Beacon
8.0%inclusion46 decks576 decks
4%synergy
Three Tree City
8.0%inclusion46 decks576 decks
3%synergy
Restless Vinestalk
7.6%inclusion44 decks576 decks
3%synergy
Castle Vantress
7.5%inclusion43 decks576 decks
1%synergy
Evendo, Waking Haven
6.6%inclusion14 decks211 decks
1%synergy
Otawara, Soaring City
5.9%inclusion34 decks576 decks
-13%synergy
Boseiju, Who Endures
5.7%inclusion33 decks576 decks
-16%synergy
Mistrise Village
5.1%inclusion15 decks295 decks
-6%synergy
Mana Artifacts
Sol Ring
87%inclusion503 decks576 decks
7%synergy
Arcane Signet
73%inclusion421 decks576 decks
10%synergy
Simic Signet
46%inclusion265 decks576 decks
17%synergy
Thought Vessel
31%inclusion179 decks576 decks
11%synergy
Talisman of Curiosity
28%inclusion164 decks576 decks
7%synergy
Commander's Sphere
17%inclusion98 decks576 decks
10%synergy
Fellwar Stone
12%inclusion68 decks576 decks
2%synergy
Mind Stone
7.8%inclusion45 decks576 decks
4%synergy
Decanter of Endless Water
6.4%inclusion37 decks576 decks
2%synergy
Thran Dynamo
6.3%inclusion36 decks576 decks
3%synergy
Lands
Island
96%inclusion553 decks576 decks
0%synergy
Forest
96%inclusion553 decks576 decks
0%synergy
Command Tower
85%inclusion487 decks576 decks
-1%synergy
Hinterland Harbor
56%inclusion322 decks576 decks
-6%synergy
Simic Growth Chamber
54%inclusion313 decks576 decks
8%synergy
Yavimaya Coast
50%inclusion289 decks576 decks
-3%synergy
Temple of Mystery
45%inclusion258 decks576 decks
8%synergy
Vineglimmer Snarl
43%inclusion245 decks576 decks
3%synergy
Dreamroot Cascade
41%inclusion234 decks576 decks
-5%synergy
Flooded Grove
40%inclusion232 decks576 decks
-3%synergy
Evolving Wilds
33%inclusion191 decks576 decks
9%synergy
Rejuvenating Springs
32%inclusion183 decks576 decks
-11%synergy
Thornwood Falls
31%inclusion181 decks576 decks
15%synergy
Myriad Landscape
31%inclusion177 decks576 decks
11%synergy
Tangled Islet
27%inclusion153 decks576 decks
11%synergy
Breeding Pool
26%inclusion148 decks576 decks
-22%synergy
Exotic Orchard
25%inclusion146 decks576 decks
0%synergy
Terramorphic Expanse
23%inclusion134 decks576 decks
3%synergy
Rimewood Falls
20%inclusion115 decks576 decks
12%synergy
Barkchannel Pathway
19%inclusion109 decks576 decks
-1%synergy
Overflowing Basin
19%inclusion108 decks576 decks
-3%synergy
Simic Guildgate
18%inclusion105 decks576 decks
9%synergy
Sodden Verdure
16%inclusion21 decks128 decks
-5%synergy
Waterlogged Grove
14%inclusion83 decks576 decks
-5%synergy
Path of Ancestry
13%inclusion76 decks576 decks
-5%synergy
Misty Rainforest
13%inclusion74 decks576 decks
-18%synergy
Hedge Maze
11%inclusion66 decks576 decks
-8%synergy
Blighted Woodland
11%inclusion64 decks576 decks
5%synergy
Willowrush Verge
11%inclusion39 decks358 decks
-8%synergy
Fabled Passage
11%inclusion61 decks576 decks
-7%synergy
Botanical Sanctum
10%inclusion59 decks576 decks
-3%synergy
Littjara Mirrorlake
10%inclusion56 decks576 decks
6%synergy
Woodland Stream
8.3%inclusion48 decks576 decks
4%synergy
Quandrix Campus
8.2%inclusion47 decks576 decks
1%synergy
Bala Ged Recovery
8.2%inclusion47 decks576 decks
-2%synergy
Glasspool Mimic
7.8%inclusion45 decks576 decks
4%synergy
Rain-Slicked Copse
7.8%inclusion10 decks128 decks
-2%synergy
Snow-Covered Forest
7.3%inclusion42 decks576 decks
2%synergy
Snow-Covered Island
7.1%inclusion41 decks576 decks
1%synergy
Sink into Stupor
6.4%inclusion37 decks576 decks
-6%synergy
Lush Oasis
5.9%inclusion34 decks576 decks
1%synergy
Bridgeworks Battle
5.4%inclusion31 decks576 decks
1%synergy
Paradox Gardens
5.1%inclusion4 decks78 decks
-2%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