Karn, the Great Creator (Promo Pack) [War of the Spark Promos] SWSH077 Set: Theros Beyond Death Type:

Set: Theros Beyond Death Type: Legendary Planeswalker — Ashiok Rarity: Mythic Cost: {4}{U}{B} +2: Draw a card

Set: Shadows over Innistrad Type: Legendary Creature — Human Soldier Rarity: Rare Cost: {3}{W} At the beginning of each combat

Set: Core Set 2019 Type: Enchantment — Aura Rarity: Rare Cost: {1}{U} Enchant creature

You can oly use this effect of "Litmus Doom Ritual" once per turn

Karn, the Great Creator (Promo Pack) [War of the Spark Promos] SWSH077 Set: Theros Beyond Death Type:Set: War of the Spark 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.