Arthas, the Lich King

At the beginning of your upkeep, draw X cards where X is the number of Zombie Death Knights you control.
{u}{b}{2}{t}: Exile target creature card from a graveyard, it becomes a 4/4 Zombie Death Knight with frostbite.
(If this creature where to deal damage to another, it freezes it until next players endstep.)
When Arthas, the Litch King dies, return him to his owner's hand at the beginning of the next end step.