The Book Of Knowledge

{t}, {2}{u}: Draw 3 cards, you may discard any.
{u/b}{w/u}: You may cast an instant, sorcery,
or enchantment from your graveyard.
{u/b}{u/b}{u/b}: Create X 2/2 black Zombie creature
tokens where X is the number of non Zombie
creatures you control.
{w/u}{w/u}{w/u}: Exile target non-Legendary creature.