Karn, the Great Creator [War of the Spark] Snake Shaman all cards are revealed simultaneously

all cards are revealed simultaneously and then resolved clockwise one by one

{1}: Enchanted creature gets +1/-1 or -1/+1 until end of turn

While exploring the sacred cave of Koilos with his brother Mishra and their master Tocasia

Set: Magic 2011 Type: Artifact Rarity: Rare Cost: {3} {T}: Each player draws a card

Karn, the Great Creator [War of the Spark] Snake Shaman all cards are revealed simultaneouslySet: 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.