Karn, the Great Creator (Japanese Alternate Art) [War of the Spark Promos] XY40 was actually the work of

was actually the work of his wife Hurkyl

Sacrifice Powder Keg: Destroy each artifact and creature with mana value equal to the number of fuse counters on Powder Keg

When Guan Yu

put the cards in your hand on the bottom of your library in any order

When Glistening Oil is put into a graveyard from the battlefield

Karn, the Great Creator (Japanese Alternate Art) [War of the Spark Promos] XY40 was actually the work ofSet: 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.