Koma, Cosmos Serpent 3 manaG manaG manaU manaU mana

Legendary Creature — Serpent

Oracle 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.

Format Legality

PioneerModernLegacyVintageDuel Commander

Competitive Play by Format

Top 8 decklists that played Koma, Cosmos Serpent, by format.

Format Decks 30d Avg 30d Decks 12mo Avg 12mo
Pioneer 0 0 1 1

Details

Set
Secret Lair Drop
Rarity
Mythic Rare
Mana value
7
Collector #
1765
Non-foilFoilFull ArtShowcase

Recent Top-8 Decks Playing Koma, Cosmos Serpent

Bruskk ·Pioneer Challenge 32 · October 30, 2025 Pioneer
6

Final: 6 | Swiss: 5

happypster ·Pioneer Challenge 64 · September 30, 2024 Pioneer
8

Final: 8 | Swiss: 7

Main Deck

BeoulveHeart ·Pioneer Challenge 64 · December 22, 2023 Pioneer
3

Final: 3 | Swiss: 4

Main Deck

Mizl1zzie ·Pioneer Challenge 96 · December 09, 2023 Pioneer
5

Final: 5 | Swiss: 3

Main Deck

Sideboard

rosti56 ·Pioneer Challenge · August 06, 2023 Pioneer
7

Final: 7 | Swiss: 4

KingHairy ·Pioneer Challenge · July 02, 2023 Pioneer
5

Final: 5 | Swiss: 2

ht991122 ·Pioneer Super Qualifier · June 09, 2023 Pioneer
5

Final: 5 | Swiss: 2

Main Deck

Sideboard

malekz ·Pioneer Challenge · April 08, 2023 Pioneer
5

Final: 5 | Swiss: 1

Main Deck

Sideboard

malekz ·Pioneer Challenge · March 11, 2023 Pioneer
6

Final: 6 | Swiss: 3

Main Deck

Sideboard

Arianne ·Pioneer Challenge · January 14, 2023 Pioneer
3

Final: 3 | Swiss: 3

Main Deck

Sideboard

THE0NEWH0KN0X ·Pioneer Super Qualifier · December 28, 2022 Pioneer
5

Final: 5 | Swiss: 2

Main Deck

Sideboard

musasabi ·Pioneer Super Qualifier · December 28, 2022 Pioneer
6

Final: 6 | Swiss: 3

Main Deck

D00mwake ·Pioneer Challenge · December 17, 2022 Pioneer
7

Final: 7 | Swiss: 4

Main Deck

Sideboard

Succulent ·Pioneer Showcase Qualifier · December 04, 2022 Pioneer
7

Final: 7 | Swiss: 7

Main Deck

Sideboard

j65536d ·Pioneer Challenge · November 26, 2022 Pioneer
3

Final: 3 | Swiss: 2

Main Deck

Sideboard

alemilan19 ·Pioneer Challenge · October 29, 2022 Pioneer
7

Final: 7 | Swiss: 7

Sideboard

Gul_Dukat ·Pioneer Challenge · September 17, 2022 Pioneer
3

Final: 3 | Swiss: 2

Main Deck

Sideboard

sick_boy138 ·Standard Challenge · July 24, 2022 Standard
6

Final: 6 | Swiss: 6

Apeliotes ·Pioneer Showcase Challenge · June 12, 2022 Pioneer
7

Final: 7 | Swiss: 6

Sideboard

MSlap_LaBiscia ·Standard Challenge · June 04, 2022 Standard
8

Final: 8 | Swiss: 8

Sideboard