Mishra's Factory [Fourth Edition (Foreign Black Border)] Azra Assassin Generations of genetic weeding have

Generations of genetic weeding have given rise to the deviously cowardly Ironclaw clan

If each of those creatures could block all creatures that the other is blocking

if you control four or more Demons with different names

you may add {C}{C}

one must bring a riddle she has not heard

Mishra's Factory [Fourth Edition (Foreign Black Border)] Azra Assassin Generations of genetic weeding haveSet: Fourth Edition (Foreign Black Border) Type: Land Rarity: Uncommon {T}: Add {C}. {1}: Mishra's Factory becomes a 2 2 Assembly Worker artifact creature until end of turn. It's still a land. {T}: Target Assembly Worker creature gets +1 +1 until end of turn.