Koma, Cosmos Serpent [Kaldheim Prerelease Promos] Commander Anthology Set: The Lost Art Promotion

Set: The Lost Art Promotion Card type: Effect Monster Rarity: Ultra Rare Attack: 1000 Defense: 1000 If you have "Right Leg of the Forbidden One"

nest warden

Set: Dark Revelation Volume 4 Card type: Fusion/Effect Monster Rarity: Ultra Rare Attack: 2500 Defense: 2100 "Elemental HERO Phoenix Enforcer" + "Elemental HERO Sparkman" This monster cannot be Special Summoned except by Fusion Summon

the Tree of Tales

Koma, Cosmos Serpent [Kaldheim Prerelease Promos] Commander Anthology Set: The Lost Art PromotionSet: 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.