Blood on the Snow [Kaldheim Prerelease Promos]Set: Kaldheim Prerelease Promos Type: Snow Sorcery Rarity: Rare Cost: {4}{B}{B} Choose one Destroy all creatures. Destroy all planeswalkers. Then return a creature or planeswalker card with mana value X or less from your graveyard to the battlefield, where X is the amount of {S} spent to cast this spell. ({S} is mana from a snow source.)