Koma, Cosmos Serpent [Kaldheim Prerelease Promos] SH4 −2: When you cast your

−2: When you cast your next instant or sorcery spell this turn

Explore the mansion and unravel its secrets

Set: War of the Spark Prerelease Promos Type: Legendary Artifact Rarity: Rare Cost: {3}{B}{B}{B} You may look at the top card of your library any time

One fleet was gone

Koma, Cosmos Serpent [Kaldheim Prerelease Promos] SH4 −2: When you cast yourSet: 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.