Koma, Cosmos Serpent [Kaldheim Prerelease Promos] Island Swamp Whenever Grimgrin attacks

Whenever Grimgrin attacks

put a +1/+1 counter on Animar

Set: Unknown Event Type: Sorcery Rarity: Common Cost: {3}{W}{W} Choose one —

Set: Secret Lair: From Cute to Brute Type: Legendary Creature — Angel Rarity: Mythic Cost: {3}{W}{W} Flash

" —Esika

Koma, Cosmos Serpent [Kaldheim Prerelease Promos] Island Swamp Whenever Grimgrin attacksSet: Kaldheim Prerelease Promos Type: Legendary Creature Serpent Rarity: Mythic Cost: {3}{G}{G}{U}{U} 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.