Karn, the Great Creator [War of the Spark Prerelease Promos] Keith add {B} for each charge

add {B} for each charge counter on Black Market

Whenever Narset

Set: Champions of Kamigawa Type: Enchantment Rarity: Rare Cost: {2}{G}{G} Whenever one or more creatures you control deal combat damage to a player

Set: Darksteel Type: Artifact — Equipment Rarity: Uncommon Cost: {3} All creatures able to block equipped creature do so

With such power

Karn, the Great Creator [War of the Spark Prerelease Promos] Keith add {B} for each chargeSet: 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. +1: Until your next turn, up to one target noncreature artifact becomes an artifact creature with power and toughness each equal to its mana value. 2: You may reveal an artifact card you own from outside the game or choose a face up artifact card you own in exile. Put that card