Betrayers of Kamigawa

Eradicate

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

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

Urza's Destiny

Remove target nonblack creature 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.