Cryptbreaker
{B}
Creature -- Zombie
1/1
{1}{B}, {T}, Discard a card: Create a 2/2 black Zombie creature token.
Tap three untapped Zombies you control: You draw a card and you lose 1 life.
Gravespawn Sovereign
{4}{B}{B}
Creature -- Zombie
3/3
Tap five untapped Zombies you control: Put target creature card from a graveyard onto the battlefield under your control.