Betrayers of Kamigawa

Scour

Remove target enchantment from the game. Search its controller's graveyard, hand, and library for all cards with the same name as that enchantment and remove them from the game. That player then shuffles his or her library.

Exile target enchantment. Search its controller's graveyard, hand, and library for all cards with the same name as that enchantment and exile them. Then that player shuffles.

Urza's Destiny

Remove target enchantment from the game. Search its controller's graveyard, hand, and library for all copies of that card and remove them from the game. That player then shuffles his or her library.