Relentless Dead

Relentless Dead

Creature - Zombie | Power/Toughness: 2 / 2 (CMC 2)
Menace (This creature can't be blocked except by two or more creatures.)
When Relentless Dead dies, you may pay . If you do, return it to its owner's hand.
When Relentless Dead dies, you may pay . If you do, return another target Zombie creature card with mana value X from your graveyard to the battlefield.