Karn, the Great Creator [War of the Spark Prerelease Promos] Duel "I await your donation

"I await your donation

Set: Alpha Edition Type: Instant Rarity: Rare Cost: {U} Change the text of target spell or permanent by replacing all instances of one color word with another

there is an additional combat phase

the controller of the permanent it becomes sacrifices it at the beginning of the next cleanup step

Set: Promotional Schemes Type: Scheme Rarity: Rare When you set this scheme in motion

Karn, the Great Creator [War of the Spark Prerelease Promos] Duel "I await your donationSet: 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