Relentless Dead - 131 M SOI

Menace (This creature can't be blocked except by two or more creatures.)
When this creature dies, you may pay {B}. If you do, return it to its owner's hand.
When this creature dies, you may pay {X}. If you do, return another target Zombie creature card with mana value X from your graveyard to the battlefield.

mythic
Creature — Zombie
From the Magic: The Gathering set Shadows over Innistrad.