Koma, Cosmos Serpent [Kaldheim Prerelease Promos] Angel Berserker that source's controller sacrifices that

that source's controller sacrifices that many permanents

Set: Ixalan Prerelease Promos Type: Creature — Human Pirate Rarity: Rare Cost: {5}{R}{R} If a source you control would deal damage to a permanent or player

first strike

Set: Theros Beyond Death Prerelease Promos Type: Legendary Planeswalker — Ashiok Rarity: Mythic Cost: {3}{U}{B} +1: Create a 2/3 blue and black Nightmare creature token with "Whenever this creature attacks or blocks

That player may copy this spell and may choose a new target for that copy

Koma, Cosmos Serpent [Kaldheim Prerelease Promos] Angel Berserker that source's controller sacrifices thatSet: 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.