Quick Answer

Koma, Cosmos Serpent is a mythic Legendary Creature — Serpent from KHM (KHM) costing {3}{G}{G}{U}{U}. Current price: $2.53 USD. Legal in Modern. Legal in Commander.

Koma, Cosmos Serpent MTG card

Koma, Cosmos Serpent

Legendary Creature — Serpent

Card Text

This spell can't be countered. At the beginning of each upkeep, create a 3/3 blue Serpent creature token named Koma's Coil. Sacrifice another Serpent: Choose one — • Tap target permanent. Its activated abilities can't be activated this turn. • Koma gains indestructible until end of turn.

Card Stats

6/6 mythic CMC: 7.0 KHM KHM 🎨 Jesper Ejsing

Market Prices

TCGPlayer
$2.53
Normal
Buy
TCGPlayer
$5.67
Foil
Buy
Card Kingdom
$4.49
Normal
Buy
Card Kingdom
$8.99
Foil
Buy
Cardmarket
€4.71
Normal
Buy
Cardmarket
€9.37
Foil
Buy
Prices updated: 2025-12-04

Format Legality

Brawl Legal
Commander Legal
Duel Legal
Gladiator Legal
Historic Legal
Legacy Legal
Modern Legal
Oathbreaker Legal
Pioneer Legal
Timeless Legal
Vintage Legal

Similar Cards

Other Printings (8 total)

Community Stats

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Decks Using This Card
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Comments

Often Played With

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Frequently Asked Questions

What is Koma, Cosmos Serpent? Basics

Koma, Cosmos Serpent is a Legendary Creature — Serpent card from the Magic: The Gathering trading card game.

Its ability reads: "This spell can't be countered. At the beginning of each upkeep, create a 3/3 blue Serpent creature token named Koma's Coil. Sacrifice another Serpent: Choose one — • Tap target permanent. Its activated abilities can't be activated this turn. • Koma gains indestructible until end of turn."

How much mana does Koma, Cosmos Serpent cost to cast? Basics

Koma, Cosmos Serpent has a mana cost of {3}{G}{G}{U}{U}, which equals 7.0 total mana (converted mana cost/mana value).

It requires G, U mana to cast.

What does mana cost mean in Magic: The Gathering? Basics

Mana cost is the amount and type of mana required to cast a spell in Magic: The Gathering.

Koma, Cosmos Serpent's mana cost of {3}{G}{G}{U}{U} means you need to pay that much mana from your lands or other sources.

Colored symbols (W=White, U=Blue, B=Black, R=Red, G=Green) must be paid with that specific color, while numbers can be paid with any color.

What is converted mana cost (CMC) or mana value? Basics

Converted mana cost (now officially called "mana value") is the total amount of mana in a card's mana cost, regardless of color.

Koma, Cosmos Serpent has a mana value of 7.0. This is important for effects that care about a spell's total cost, like cascade or cards that say "mana value 3 or less."

What is oracle text? Basics

Oracle text is the official, current rules text for a Magic card as maintained by Wizards of the Coast. It supersedes any printed text on older cards.

Koma, Cosmos Serpent's current oracle text is: "This spell can't be countered. At the beginning of each upkeep, create a 3/3 blue Serpent creature token named Koma's Coil. Sacrifice another Serpent: Choose one — • Tap target permanent. Its activated abilities can't be activated this turn. • Koma gains indestructible until end of turn."

What is the current price of Koma, Cosmos Serpent? Pricing

The current market price for Koma, Cosmos Serpent is approximately $2.53 USD on TCGPlayer.

A foil copy costs approximately $5.67 USD.

On Cardmarket (Europe), it's approximately €4.71 EUR.

Where can I buy Koma, Cosmos Serpent? Pricing

You can purchase Koma, Cosmos Serpent from major MTG retailers including:

Prices vary by condition and printing. Check multiple sellers to find the best price.

What is the difference between normal and foil cards? Pricing

Foil cards have a shiny, holographic finish that makes them more collectible. They are functionally identical to normal cards but typically cost more due to their rarity and visual appeal.

Koma, Cosmos Serpent normal: $2.53 | foil: $5.67

Is Koma, Cosmos Serpent legal in Standard? Legality

Format legality information for Koma, Cosmos Serpent in Standard is not available.

Standard is a rotating format that only allows cards from the most recent sets.

Is Koma, Cosmos Serpent legal in Modern? Legality

Koma, Cosmos Serpent is Legal in Modern format.

Modern includes all cards printed in a standard-legal set from 8th Edition forward.

Is Koma, Cosmos Serpent legal in Commander (EDH)? Legality

Koma, Cosmos Serpent is Legal in Commander (EDH) format.

Commander is a casual multiplayer format where you build a 100-card singleton deck around a legendary creature.

Is Koma, Cosmos Serpent legal in Pioneer? Legality

Koma, Cosmos Serpent is Legal in Pioneer format.

Pioneer is a non-rotating format that includes all standard-legal sets from Return to Ravnica forward.

Is Koma, Cosmos Serpent legal in Legacy? Legality

Koma, Cosmos Serpent is Legal in Legacy format.

Legacy allows almost all cards ever printed, with a substantial ban list for balance.

Is Koma, Cosmos Serpent legal in Vintage? Legality

Koma, Cosmos Serpent is Legal in Vintage format.

Vintage is the most permissive format, allowing almost all cards with only a minimal ban list. Some powerful cards are "Restricted" (limited to 1 copy).

Is Koma, Cosmos Serpent legal in Pauper? Legality

Format legality information for Koma, Cosmos Serpent in Pauper is not available.

Pauper only allows cards that have been printed at common rarity in a paper or online set.

What is format legality in MTG? Legality

Format legality indicates which official MTG formats allow a card to be played:

  • Legal: Card is allowed in the format
  • Banned: Card is prohibited from play
  • Restricted: Limited to 1 copy (Vintage only)
  • Not Legal: Card was never part of that format's card pool

Different formats have different banned lists based on power level and game balance.

What set is Koma, Cosmos Serpent from? Details

This printing of Koma, Cosmos Serpent is from KHM (KHM), with collector number 221.

Koma, Cosmos Serpent may also appear in other MTG sets with different art or special treatments.

What is Koma, Cosmos Serpent's rarity? Details

Koma, Cosmos Serpent is a mythic card in KHM.

Card rarity affects both availability and price. From rarest to most common: Mythic Rare → Rare → Uncommon → Common.

Who illustrated Koma, Cosmos Serpent? Details

Koma, Cosmos Serpent was illustrated by Jesper Ejsing.

Magic: The Gathering features artwork from hundreds of talented artists, and many cards have been reprinted with new art over the years.

What is Koma, Cosmos Serpent's power and toughness? Details

Koma, Cosmos Serpent is a 6/6 creature.

Power (6) determines how much combat damage the creature deals. Toughness (6) determines how much damage it can take before being destroyed.

💬 Card Discussion

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