Relentless Dead [Shadows Over Innistrad Pre-Release]
:
Menace
(This creature can't be blocked except by two or more creatures.)
When Relentless Dead dies, you may pay {B}. If you do, return it to its owner's hand.
When Relentless Dead dies, you may pay {X}. If you do, return another target Zombie creature card with converted mana cost X from your graveyard to the battlefield.