Karn, the Great Creator (Japanese Alternate Art) [War of the Spark Promos] Battle for Zendikar Prerelease Promos Set: Time Spiral Timeshifted Type:

Set: Time Spiral Timeshifted Type: Legendary Creature — Elder Dragon Rarity: Rare Cost: {2}{U}{U}{B}{B}{R}{R} Flying

Set: Amonkhet Type: Enchantment Rarity: Rare Cost: {3}{W} If an effect would create one or more tokens under your control

Set: Commander 2014 Type: Sorcery Rarity: Rare Cost: {2}{G}{G} Destroy all creatures with flying

you might as well trade it for something else

Karn, the Great Creator (Japanese Alternate Art) [War of the Spark Promos] Battle for Zendikar Prerelease Promos Set: Time Spiral Timeshifted 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.