Master of Death Someone realized they couldnt make a zombified Squee, Goblin Nabob, since Squees immortal and all, so they made Master of Death instead
While there are a handful of cards that synergize with the Wolf creature type, and even fewer that care if a creature is a Horror, there just isn't that critical mass necessary to make a tribe playable
While They Squabble Below, Let Us Rise AboveWhile They Squabble Below, Let Us Rise Above And that's the end of this Saga of a Top 10 list
However a few do have "practical" uses - here are some examples: The particular card you reference, Garruk the Slayer, was created for the Magic 2015 prerelease and is used in a variant where one player plays normally and the other plays as Garruk
You'll want to save Jetmir for when you're able to swing out at an opponent, casting him after your opponent attacks or when an opponent taps out
Doubling up triggers for cards like Terror of the Peaks or Craterhoof Behemoth could easily help you close out a game