Cryptic Command [Magic Player Rewards 2009] Magic 2015 Note the type of mana

Note the type of mana spent to pay this activation cost

" ({C} represents colorless mana

" —Elizabeth Barrett Browning

Set: Friday Night Magic 2010 Type: Enchantment Rarity: Rare Cost: {2}{W} Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you

and library for any number of cards with the same name as that spell and exile them

Cryptic Command [Magic Player Rewards 2009] Magic 2015 Note the type of manaSet: Magic Player Rewards 2009 Type: Instant Rarity: Rare Cost: {1}{U}{U}{U} Choose two Counter target spell. Return target permanent to its owner's hand. Tap all creatures your opponents control. Draw a card.