Mishra's Factory [Fourth Edition (Foreign White Border)] Oathbreaker Set: Commander 2017 Type: Enchantment

Set: Commander 2017 Type: Enchantment — Aura Rarity: Rare Cost: {1}{B}{B} Enchant land

The vats are self-contained worlds

Set: Mercadian Masques Type: Creature — Horror Mercenary Rarity: Rare Cost: {4}{B}{B}{B} Sacrifice a creature: Regenerate Cateran Overlord

It becomes a creature again if it's not attached to a creature

Mishra's Factory [Fourth Edition (Foreign White Border)] Oathbreaker Set: Commander 2017 Type: EnchantmentSet: Fourth Edition (Foreign White Border) Rarity: Uncommon T: Add 1 colorless mana to your mana pool. 1: Mishra's Factory becomes an Assembly Worker, a 2 2 artifact creature, until end of turn. Assembly Worker still counts as a land but cannot be tapped for mana the turn it comes into play. T: Target Assembly Worker gets +1 +1 until end of turn.