Darksteel Mutation [Mystery Booster] Oath of the Gatewatch Prerelease Promos Set: Legends Type: Artifact Rarity:

Set: Legends Type: Artifact Rarity: Rare Cost: {5} {3}

Set: War of the Spark Prerelease Promos Type: Legendary Planeswalker — Karn Rarity: Rare Cost: {4} Activated abilities of artifacts your opponents control can't be activated

Set: Rivals of Ixalan Promos Type: Creature — Merfolk Shaman Rarity: Rare Cost: {3}{G} Whenever World Shaper attacks

Set: Foreign Black Border Type: Instant Rarity: Uncommon Cost: {W} Exile target creature

Darksteel Mutation [Mystery Booster] Oath of the Gatewatch Prerelease Promos Set: Legends Type: Artifact Rarity:Set: Mystery Booster Type: Enchantment Aura Rarity: Uncommon Cost: {1}{W} Enchant creature Enchanted creature is an Insect artifact creature with base power and toughness 0 1 and has indestructible, and it loses all other abilities, card types, and creature types. Infinitely powerless.