Koma, Cosmos Serpent {3}{G}{G}{U}{U}
Legendary Creature — Serpent
Identity
Simic
EDHREC rank
#1,463
Cheapest printing
US$4.08
TCGplayer
Printings
8
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.
Every printing
highest TCGplayer market first; a card with only a thin single listing shows its low
Secret Lair · Rainbow Foil
Koma, Cosmos Serpent
SLD · 1765
TCGplayer market
US$20.46
Prerelease
Koma, Cosmos Serpent
PKHM · 221s
TCGplayer market
US$16.69
Secret Lair
Koma, Cosmos Serpent
SLD · 1765
TCGplayer market
US$14.92
Showcase
Koma, Cosmos Serpent
KHM · 326
TCGplayer market
US$6.61
Promo Pack
Koma, Cosmos Serpent
PKHM · 221p
TCGplayer market
US$6.35
Koma, Cosmos Serpent
MKC · 213
TCGplayer market
US$6.14
Koma, Cosmos Serpent
KHM · 221
TCGplayer market
US$5.84
Borderless
Koma, Cosmos Serpent
TLE · 51
TCGplayer market
US$4.08
In short
A Commander deck is a commander and 99 other cards, one copy of each (except basic lands), all inside the commander's colour identity. Paste a full list into the deck price calculator to price it and check it against the format.