Karn's Sylex (Promo Pack) [Dominaria United Promos] Tyranid Human Sacrifice a creature: Add three

Sacrifice a creature: Add three mana in any combination of colors

reveal Blightsteel Colossus and shuffle it into its owner's library instead

Set: Dominaria United Prerelease Promos Type: Creature — Dragon Hydra Rarity: Mythic Cost: {X}{R} Flying

If Chandra has dealt 3 or more damage this turn

Karn's Sylex (Promo Pack) [Dominaria United Promos] Tyranid Human Sacrifice a creature: Add threeSet: Dominaria United Promos Type: Legendary Artifact Rarity: Mythic Cost: {3} Karn's Sylex enters the battlefield tapped. Players can't pay life to cast spells or to activate abilities that aren't mana abilities. {X}, {T}, Exile Karn's Sylex: Destroy each nonland permanent with mana value X or less. Activate only as a sorcery.