Koma, Cosmos Serpent [Kaldheim] Nightmare Dog That creature's owner can't cast

That creature's owner can't cast spells with the same name as that creature until your next turn

Set: Rivals Quick Start Set Type: Enchantment Rarity: Uncommon Cost: {2}{U} All artifacts have "At the beginning of your upkeep

target creature gets +2/+0 and gains first strike until end of turn

Set: HeartGold & SoulSilver: Undaunted Type: Fighting Rarity: Common Retreat cost: Colorless

Set: Streets of New Capenna Commander Promos Type: Artifact — Equipment Rarity: Rare Cost: {2}{U} Whenever equipped creature deals combat damage to a player

Koma, Cosmos Serpent [Kaldheim] Nightmare Dog That creature's owner can't castSet: 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.