Koma, Cosmos Serpent [Kaldheim Prerelease Promos] War of the Spark Promos and other players can't gain

and other players can't gain control of them

Set: Kaladesh Promos Type: Artifact Creature — Construct Rarity: Mythic Cost: {4}{R}{R} First strike

For the first time

When Brood Butcher enters the battlefield

thereby allowing owners of the first edition to obtain these new cards without needing to repurchase the entire game

Koma, Cosmos Serpent [Kaldheim Prerelease Promos] War of the Spark Promos and other players can't gainSet: 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.