Gnob Head the Magical Goblin

{b}{b}{t}: Exile target creature card from a graveyard. Create a 2/2 black zombie creature token.
{u}{u}{t}: Target player puts the top seven cards of their library into their graveyard.
{t}: ? ? ?
When Gnob Hed The Magic Goblin was young he beat up a young child and stole his possessions and among them was a magic scroll filled with lots of magical spells but he can’t read so he through that away and instead