Commander

Koma, Cosmos Serpent

Global commander stats

All Simic commanders

543 Wins

996 Losses

Playtest a community deck

Overview

Summary

Koma, Cosmos Serpent is a Magic: The Gathering commander tracked across 1,542 recorded Playgroup games, winning 35% of them (543–996) at an Elo of 1,598, ranking #538 globally.

Wins average 9 turns, with 18 damage dealt and 0.77 player kills per game on average.

Last full refresh 1 Aug 2026

Sources Scryfall · EDHREC · JSON API

Frequently Asked

What is Koma, Cosmos Serpent's win rate?

Koma, Cosmos Serpent has a 35% win rate across 1542 recorded Playgroup games (543 wins, 996 losses).

How long do winning games with Koma, Cosmos Serpent take?

Wins with Koma, Cosmos Serpent take on average 9 turns. Total tracked play time: 6 months.

How many decks use Koma, Cosmos Serpent?

588 decks list Koma, Cosmos Serpent as their commander on Playgroup, of which 309 have played at least one recorded game.

Koma, Cosmos Serpent Magic: The Gathering commander card art

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Global rank

538

Wins by turn (avg.)

Elo rating

1598

Trend

Global Elo trend

Trend

Commander popularity trend

Averages

Misc. stats

Average damage per game 18

Average commander damage per game 7

Average poison counters given per game 10

Average kills per game 0.77

Average turn length 20 minutes

No. decks for this commander 588

No. decks with at least one game for this commander 309

No. games played with this commander 1542

Total hours played 6 months

Community

Top 5 public decks

Rank	Elo	User	Games	Wins	Winrate
1	1580	Janjo	10	4	57 %
2	1555	Eddie Stardust	10	4	40 %
3	1552	FrostCzar	3	2	67 %
4	1545	MrHouse1738	3	1	33 %
5	1544	zrocks98@gmail.com	5	4	80 %

Outcomes

How does this commander win?

When Koma, Cosmos Serpent wins, 84.64% of wins come via combat across tracked games with a recorded win condition.

Combat

84.64%

Alternative

6.96%

Commander Damage

4.64%

Combo

1.74%

Non Combat Damage

1.16%

Poison

0.87%

Avg win turn 9.1 based on 562 wins with recorded turn counts

Table position

Does seating order matter?

Koma, Cosmos Serpent wins 43.67% of games from position 1 and 0.0% from position 6 across tracked games.

Seat 1

43.67% n=458

Seat 2

36.45% n=428

Seat 3

29.41% n=391

Seat 4

26.94% n=219

Seat 5

40.0% n=25

Seat 6

0.0% n=1

Opening hands

Do mulligans hurt this commander?

Across tracked games, Koma, Cosmos Serpent wins 35.25% after 0 mulligans and 33.33% after 4 mulligans.

0 mulligans

35.25% n=732

1 mulligan

35.94% n=217

2 mulligans

29.76% n=84

3 mulligans

40.0% n=20

4 mulligans

33.33% n=3

Player reports

How do players rate games with this commander?

Pilot rating

Pilots rate their own games with Koma, Cosmos Serpent 3.58/5 on average, across 1043 self-reports.

3.58 / 5

🧂

Opponent salt

When Koma, Cosmos Serpent wins, opponents flag the game as salty 63.9% of the time across 563 tracked wins.

63.9 \%

Head to head

Best and worst matchups

Opposing commanders with at least ten tracked games against Koma, Cosmos Serpent. Pairs with fewer than 25 games are shown in italics; treat those as suggestive, not statistical.