Relentless Dead [Shadows over Innistrad Prerelease Promos] Sorcery destroy all non-Wall creatures that

destroy all non-Wall creatures that player controls that didn't attack this turn

If you don't

investigate

In ice there is perfect tranquility

Relentless Dead [Shadows over Innistrad Prerelease Promos] Sorcery destroy all non-Wall creatures thatSet: Shadows over Innistrad Prerelease Promos Type: Creature Zombie Rarity: Mythic Cost: {B}{B} 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.