Koma, Cosmos Serpent (Showcase) [Kaldheim]

Koma, Cosmos Serpent (Showcase) [Kaldheim]Set: Kaldheim 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.

Its flight sets the sky itself on fire

Set: Avacyn Restored Type: Enchantment — Aura Rarity: Rare Cost: {1}{R} Enchant creature

Set: Commander Anthology Type: Legendary Creature — Angel Rarity: Rare Cost: {3}{R}{W} Flying

the Rising Star dies

If damage would be dealt to Polukranos while it has a +1/+1 counter on it

"From the sea came all life

you may pay {R/W}{R/W}

Set: Ultimate Masters Type: Sorcery Rarity: Uncommon Cost: {4}{R}{G} Return target card from your graveyard to your hand

If you don't control one

you may put a +1/+1 counter on target creature

it deals damage equal to its power to its controller

and fill the air with doom