Dutomr's Library

{t}: Add {b}{u} to your mana pool. You lose 3 life.
{u}{b}: Destroy target creature. You lose 7 life.
{u}{b}: Add {c}{u}{b} to you mana pool. You
lose 3 life.
{u}{b}: Return target creature card from your graveyard or exile to your hand. Lose 6 life.