Marketplace

Reference artwork · details may differ from this copy

PROMO

About This Card

Koma, Cosmos Serpent is a Legendary Creature — Serpent from the Kaldheim Promos set (code PKHM). This Mythic Rare card features a foil finish and was illustrated by Jesper Ejsing. It has a mana cost of {3}{G}{G}{U}{U}, a mana value of 7, and colors of Green and Blue. The card has a power and toughness of 6/6.

Koma, Cosmos Serpent

2021 • Magic: The Gathering • Kaldheim Promos

2021 Magic: The Gathering Kaldheim Promos

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Market Value

Raw/Ungraded Market: $5.53

Updated 7 days ago

Based on TCGplayer Market (reference)Last Updated Oct 14, 2026Check Price Guide

Market & Price History

Condition	Value	Source	Trend	Price Details
	$5.53Oct 14, 2026	Guide Estimate	+0.5%
Based on TCGplayer Market (reference) Estimate: $5.53, based on Guide Estimate. Source date not availableCaptured Oct 14, 2026 Guide Estimate: $5.53. Evidence date not available. Few comparable observations are available, so this estimate may be less reliable. Over the last 30 days, stored prices ranged from $5.50 to $5.53 across 2 capture days. Change between Sep 26, 2026 and Oct 14, 2026: 0.5%. Compares the same source, grade and signed status. Capture days are not completed-sale counts.Recorded Oct 14, 2026

$5.53Oct 14, 2026
Source
Guide Estimate
Trend
+0.5%
Price Details
Based on TCGplayer Market (reference)
Estimate: $5.53, based on Guide Estimate.
Source date not availableCaptured Oct 14, 2026
Guide Estimate: $5.53. Evidence date not available.
Few comparable observations are available, so this estimate may be less reliable.
Over the last 30 days, stored prices ranged from $5.50 to $5.53 across 2 capture days. Change between Sep 26, 2026 and Oct 14, 2026: 0.5%. Compares the same source, grade and signed status. Capture days are not completed-sale counts.Recorded Oct 14, 2026

30-day Price History

Raw / Ungraded

TCGplayer Market (reference) · Guide Estimate evidence · captured Oct 14, 2026

Each point is the last stored observation that day for this printing, condition, grader, autograph status and source. Gaps mean no observation; guide estimates and asking prices are not completed sales.

Product Overview

Description

Koma, Cosmos Serpent is a Magic: The Gathering trading card game card. It is a Legendary Creature — Serpent with a mana value of 7. The card has a power of 6 and toughness of 6. It is part of the Kaldheim Promos set, identified by the set code PKHM. The card number is 221p. It is a promo card with a foil finish. The artist is Jesper Ejsing.

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Product Specs

Card Details

The catalog profile below summarizes the card identity, featured subject, and notable collectible traits.

Catalog Profile

The core identity of the card within the set.

Year

2021

Brand

Magic: The Gathering

Series

Kaldheim Promos

Card Number

#221p

Featured Subject

The subject, team, league, and sport context tied to this card.

Featured

Koma, Cosmos Serpent

Game

Magic: The Gathering

TCG Attributes

Rarity, print treatment, and game-specific stats for this card.

Rarity

Mythic Rare

Artist

Jesper Ejsing

Material

Card Stock

Language

English

Finish

Foil

Mana cost

{3}{G}{G}{U}{U}

Type

Legendary Creature — Serpent

Power / Toughness

6 / 6

Color

G, U

Card Text

Abilities, attacks, oracle text, and flavor text printed on the card.

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.