Karn, the Great Creator (White Border) [Mystery Booster 2] Zombie Noble Set: Commander 2013 Type: Sorcery

Set: Commander 2013 Type: Sorcery Rarity: Rare Cost: {X}{R} Tempting offer — Create X 1/1 red Elemental creature tokens with haste

Set: Zendikar Type: Sorcery Rarity: Rare Cost: {B}{B}{B} Kicker {7} (You may pay an additional {7} as you cast this spell

If each of those creatures could be blocked by all creatures that the other is blocked by

Set: The List Type: Land Rarity: Rare Cathedral of War enters the battlefield tapped

Karn, the Great Creator (White Border) [Mystery Booster 2] Zombie Noble Set: Commander 2013 Type: SorcerySet: Mystery Booster 2 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.