Trev174's Koma, Cosmos Serpent

Trevor Collins's

Koma, Cosmos Serpent

Type:

Built Deck
Format (legal 👍)

comCommander

Commander Bracket

[3️⃣]

Info

Approx. Value:

$426.32

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Avg. CMC 3.71

Card Color Breakdown

Card Type Breakdown

Avatar: The Last Airbender
releases on November 21, 2025!

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Avatar: The Last Airbender
releases on November 21, 2025!

Preorder now on CardKingdom Preorder now on TcgPlayer

Main Deck - 100 cards, 87 distinct

Sort by:

	Name	Ed.	Price	Type	Cost
	Name	Rarity	Price	Type	Color
Commander
1	Koma, Cosmos Serpent		$2.40	Legendary Creature - Serpent
Creature (20)
1	Aesi, Tyrant of Gyre Strait		$9.16	Legendary Creature - Serpent
1	Chasm Skulker		$0.49	Creature - Squid Horror
1	Cold-Eyed Selkie		$0.25	Creature - Merfolk Rogue
1	Eluge, the Shoreless Sea		$2.58	Legendary Creature - Elemental Fish
1	Hullbreaker Horror		$4.76	Creature - Kraken Horror
1	Kiora's Follower		$0.17	Creature - Merfolk
1	Koma, World-Eater		$0.95	Legendary Creature - Serpent
1	Master Biomancer		$0.92	Creature - Elf Wizard
1	Murkfiend Liege		$1.98	Creature - Horror
1	Nadir Kraken		$0.32	Creature - Kraken
1	Nezahal, Primal Tide		$7.68	Legendary Creature - Elder Dinosaur
1	Nyxbloom Ancient		$27.28	Enchantment Creature - Elemental
1	Reef Worm		$0.20	Creature - Worm
1	Reservoir Kraken		$0.17	Creature - Kraken
1	Stormtide Leviathan		$4.54	Creature - Leviathan
1	Tatyova, Benthic Druid		$0.22	Legendary Creature - Merfolk Druid
1	Tidal Barracuda		$18.42	Creature - Fish
1	Timestream Navigator		$0.90	Creature - Human Pirate Wizard
1	Troyan, Gutsy Explorer		$0.08	Legendary Creature - Vedalken Scout
1	Xolatoyac, the Smiling Flood		$0.47	Legendary Creature - Salamander Serpent
Instant (16)
1	An Offer You Can't Refuse		$1.31	Instant
1	Counterspell		$1.18	Instant
1	Cyclonic Rift		$23.65	Instant
1	Force of Will		$59.92	Instant
1	Frantic Search		$0.34	Instant
1	Growth Spiral		$0.31	Instant
1	Heroic Intervention		$10.88	Instant
1	Impulse		$0.07	Instant
1	Mana Drain		$35.73	Instant
1	Mystical Tutor		$12.18	Instant
1	Opt		$0.30	Instant
1	Shore Up		$0.07	Instant
1	Spell Swindle		$1.40	Instant
1	Strix Serenade		$5.62	Instant
1	Sublime Epiphany		$0.54	Instant
1	Swan Song		$8.13	Instant
Sorcery (11)
1	Aggressive Biomancy		$0.11	Sorcery
1	Cultivate		$0.83	Sorcery
1	Far Wanderings		$0.30	Sorcery
1	Finale of Revelation		$0.26	Sorcery
1	Kodama's Reach		$1.54	Sorcery - Arcane
1	Overrun		$0.27	Sorcery
1	Preordain		$1.14	Sorcery
1	Rishkar's Expertise		$1.93	Sorcery
1	Time Warp		$12.79	Sorcery
1	Traverse the Outlands		$2.88	Sorcery
1	Witness the Future		$0.06	Sorcery
Artifact (9)
1	Arcane Signet		$0.50	Artifact
1	Commander's Sphere		$0.22	Artifact
1	Emerald Medallion		$2.12	Artifact
1	Fishing Pole		$0.06	Artifact - Equipment
1	Helm of the Host		$9.45	Legendary Artifact - Equipment
1	Monster Manual // Zoological Study		$6.25	Artifact // Sorcery - Adventure	//
1	Sapphire Medallion		$4.99	Artifact
1	Sol Ring		$1.25	Artifact
1	The Great Henge		$62.21	Legendary Artifact
Enchantment (12)
1	Bear Umbra		$7.74	Enchantment - Aura
1	Exploration		$25.73	Enchantment
1	Fisher's Talent		$0.13	Enchantment - Class
1	Future Sight		$0.72	Enchantment
1	Kiora Bests the Sea God		$6.85	Enchantment - Saga
1	Lion Umbra		$0.12	Enchantment - Aura
1	Mana Reflection		$0.95	Enchantment
1	Ominous Seas		$1.11	Enchantment
1	Omniscience		$5.59	Enchantment
1	Shark Typhoon		$0.81	Enchantment
1	Snake Umbra		$1.05	Enchantment - Aura
1	Wiretapping		$0.10	Enchantment
Land (31)
1	Botanical Sanctum		$2.21	Land
1	Command Tower		$0.24	Land
1	Dreamroot Cascade		$1.14	Land
1	Evolving Wilds		$0.08	Land
1	Exotic Orchard		$0.18	Land
7	Forest		$0.06	Basic Land - Forest
1	Hall of Storm Giants		$0.83	Land
1	Hinterland Harbor		$0.50	Land
8	Island		$0.06	Basic Land - Island
1	Mosswort Bridge		$0.34	Land
1	Myriad Landscape		$0.17	Land
1	Mystic Sanctuary		$1.25	Land - Island
1	Rejuvenating Springs		$5.54	Land
1	Reliquary Tower		$3.25	Land
1	Simic Growth Chamber		$3.56	Land
1	Tanglepool Bridge		$0.17	Artifact Land
1	Terramorphic Expanse		$0.12	Land
1	Vineglimmer Snarl		$0.21	Land

Sideboard - 0 cards, 0 distinct

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No cards here. :(

Scratchpad - 32 cards, 32 distinct

Cards in the scratchpad represent cards that you are considering for this deck, but are not actually in the built deck. They do not count towards the in built decks count shown in your inventory. If you are using the Auto Trade feature, they will be still be marked for trade although cards in your main deck and sideboard will not.

Sort by:

	Name	Ed.	Price	Type	Cost
	Name	Rarity	Price	Type	Color
Creature (14)
1	Acidic Slime		$0.12	Creature - Ooze
1	Angler Turtle		$0.21	Creature - Turtle
1	Deepfathom Echo		$0.15	Creature - Merfolk Spirit
1	Gala Greeters		$0.32	Creature - Elf Druid
1	Glasspool Mimic // Glasspool Shore		$8.36	Creature - Shapeshifter Rogue // Land
1	Jin-Gitaxias, Progress Tyrant		$7.68	Legendary Creature - Phyrexian Praetor
1	Maeve, Insidious Singer		$7.23	Legendary Creature - Siren
1	Prime Speaker Zegana		$0.29	Legendary Creature - Merfolk Wizard
1	Pursued Whale		$0.10	Creature - Whale
1	Spawning Kraken		$12.75	Creature - Kraken
1	Thassa, Deep-Dwelling		$26.30	Legendary Enchantment Creature - God
1	Thassa, God of the Sea		$1.77	Legendary Enchantment Creature - God
1	Tishana, Voice of Thunder		$0.51	Legendary Creature - Merfolk Shaman
1	Wonder		$1.38	Creature - Incarnation
Instant (4)
1	Hurl into History		$0.06	Instant
1	Inscription of Abundance		$0.23	Instant
1	Jwari Disruption // Jwari Ruins		$0.34	Instant // Land
1	Keep Safe		$0.09	Instant
Sorcery (4)
1	Consuming Tide		$0.44	Sorcery
1	Flood of Tears		$0.84	Sorcery
1	Search for Tomorrow		$0.40	Sorcery
1	Summer Bloom		$1.78	Sorcery
Artifact (3)
1	Bident of Thassa		$0.43	Legendary Enchantment Artifact
1	Crucible of Worlds		$30.87	Artifact
1	Midnight Clock		$0.41	Artifact
Enchantment (2)
1	Boseiju Reaches Skyward // Branch of Boseiju		$0.08	Enchantment - Saga // Enchantment Creature - Plant
1	Parallel Lives		$14.52	Enchantment
Planeswalker (2)
1	Kiora, Master of the Depths		$1.43	Legendary Planeswalker - Kiora
1	Kiora, the Crashing Wave		$1.70	Legendary Planeswalker - Kiora
Land (3)
1	Lair of the Hydra		$0.29	Land
1	Petrified Field		$1.40	Land
1	Reflecting Pool		$7.84	Land

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