Sheoldred, Whispering One [New Phyrexia Prerelease Promos] Rat Ninja The ground collapsed

The ground collapsed

Set: Mirrodin Type: Enchantment Rarity: Rare Cost: {2}{B} At the beginning of each player's upkeep

Loyalty keeps them together

" —Diary of Azusa

They say the Zombie Master controlled these foul creatures even before his own death

Sheoldred, Whispering One [New Phyrexia Prerelease Promos] Rat Ninja The ground collapsedSet: New Phyrexia Prerelease Promos Type: Legendary Creature Phyrexian Praetor Rarity: Mythic Cost: {5}{B}{B} Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.) At the beginning of your upkeep, return target creature card from your graveyard to the battlefield. At the beginning of each opponent's upkeep, that player sacrifices a creature.