Koma, Cosmos Serpent
From Kaldheim set
Koma, Cosmos Serpent
Legendary Creature — Serpent
6/6
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.