Primal Vigor [Commander 2013] Karn Spells your opponents cast cost

Spells your opponents cast cost {1} more to cast

we were able to convert sky-dock assisters into a defense system for the Aether Spire

Noncreature spells with {X} in their mana costs can't be cast

Set: Prophecy Type: Enchantment Rarity: Rare Cost: {1}{U} Whenever a player puts a nontoken creature onto the battlefield

you may skip that turn instead

Primal Vigor [Commander 2013] Karn Spells your opponents cast costSet: Commander 2013 Type: Enchantment Rarity: Rare Cost: {4}{G} If one or more tokens would be created, twice that many of those tokens are created instead. If one or more +1 +1 counters would be put on a creature, twice that many +1 +1 counters are put on that creature instead.