Zombie Master [Collectors' Edition] 55 it's an artifact creature with

it's an artifact creature with power and toughness each equal to its mana value

When Aretopolis has ten or more scroll counters on it

Each one then blocks all creatures the other was blocking

You can target 2 monsters in your Graveyard

Zombie Master [Collectors' Edition] 55 it's an artifact creature withSet: Collectors' Edition Type: Creature Zombie Rarity: Rare Cost: {1}{B}{B} Other Zombie creatures have swampwalk. (They can't be blocked as long as defending player controls a Swamp.) Other Zombies have "{B}: Regenerate this permanent." They say the Zombie Master controlled these foul creatures even before his own death, but now that he is one of them, nothing can make them betray him.