Painful Memories

Each player exiles up to three target cards with different names from his or her graveyard. For each card exiled, that card's owner searches his or her library for a card with the same name, reveals it, puts it into his or her hand, then shuffles his or her library and loses 3 life.
{1}{w}{b}{r}, Exile Painful Memories from your graveyard: It deals X damage to each player, where X is the number of cards with different names in his or her graveyard.