Karn, the Great Creator [War of the Spark Prerelease Promos] Swamp Forest destroy all artifacts

destroy all artifacts

(Each {B} in the mana costs of permanents you control counts toward your devotion to black

pay 3 life

Target player reveals their hand and discards all cards with that name

Activate only during your turn

Karn, the Great Creator [War of the Spark Prerelease Promos] Swamp Forest destroy all artifactsSet: 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