Karn, the Great Creator [War of the Spark Prerelease Promos] Judgment destroy Cosmic Horror unless you

destroy Cosmic Horror unless you pay {3}{B}{B}{B}

you may untap Grinding Station

" —Gamelen

the ore became iron

Karn, the Great Creator [War of the Spark Prerelease Promos] Judgment destroy Cosmic Horror unless youSet: 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