Traft, Overlord of the Undead

Whenever this creature attacks, return another creature card from a graveyard to the battlefield tapped and attacking except it's a 4/4, loses all abilities and is a Skeleton in addition to its other types. Exile that creature at the end of combat.
{1}{b}: Return this creature from your graveyard to your hand, activate this ability only any time you could cast a sorcery.