![Karn, the Great Creator [War of the Spark Prerelease Promos]](https://www.cardgametoponline.com/wp-content/uploads/2026/07/karn-great-creator-war-spark-prerelease-promos.webp)
Description
| 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.
+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 into your hand.
![Underground River [Tenth Edition]](https://www.cardgametoponline.com/wp-content/uploads/2026/07/underground-river-tenth-edition.webp)
![Progenitus [From the Vault: Legends]](https://www.cardgametoponline.com/wp-content/uploads/2026/07/progenitus-from-vault-legends.webp)
![Mammoth Umbra [Planechase Anthology]](https://www.cardgametoponline.com/wp-content/uploads/2026/07/mammoth-umbra-planechase-anthology.webp)
![Vesuva [From the Vault: Realms]](https://www.cardgametoponline.com/wp-content/uploads/2026/07/vesuva-from-vault-realms.webp)
![Natural Order [Judge Gift Cards 2010]](https://www.cardgametoponline.com/wp-content/uploads/2026/07/natural-order-judge-gift-cards-2010.webp)
![Pandemonium [Exodus]](https://www.cardgametoponline.com/wp-content/uploads/2026/07/pandemonium-exodus.webp)
![Call of the Wild [Classic Sixth Edition]](https://www.cardgametoponline.com/wp-content/uploads/2026/07/call-wild-classic-sixth-edition.webp)
![Nissa, Vastwood Seer // Nissa, Sage Animist [Magic Origins Prerelease Promos]](https://www.cardgametoponline.com/wp-content/uploads/2026/07/nissa-vastwood-seer-nissa-sage-animist-magic-origins-prerelease-promos.webp)