Karn, the Great Creator (Japanese Alternate Art) [War of the Spark] 92 if your opponent controls a

if your opponent controls a face-up LIGHT monster(s)

its owner shuffles their graveyard into their library

Hidden Gibbons becomes a 4/4 Ape creature

add 1 "Nekroz" monster from your Deck to your hand

Karn, the Great Creator (Japanese Alternate Art) [War of the Spark] 92 if your opponent controls aSet: War of the Spark 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.