This is due to needing significantly more copies of the card than usual in Commander and beyond
Tireless Tracker is a great way to draw cards as this Human Scout not only creates Clue tokens, but has the potential to grow quite large as she accrues +1/+1 counters each time you sacrifice a Clue
While its not as forthright as Grasp of Fate , it can also target multiple creatures controlled by the same opponent over its lifespan
Other than that gimmick, this is a pretty okay option for a zombie-themed token deck, but the simple fact you can play his adventure-side from the graveyard gives Hildibrand a massive boost in my books
Remember that a creature is still attacking during the end of combat step, so sacrificing it to Goblin Bombardment or Altar of Dementia will still trigger Brazen Cannonade
When Secret Lair TWD was revealed, players werent sure where they would even be able to play these new cards