Koma, Cosmos Serpent

우주 이무기, 코마 (Koma, Cosmos Serpent) (ko)

Legendary Creature - Serpent | Power/Toughness: 6 / 6 (CMC 7)
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, Cosmos Serpent gains indestructible until end of turn.