The Monstrous Serpent - Koma, Cosmos Serpent (Borderless) (TLE-051) - Avatar: The Last Airbender: Eternal-Legal Foil
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.
