Itll get expensive to sweep a board with bigger creatures on it, but combining it with Grave Pact or Dictate of Erebos will probably help pick off those larger remaining creatures
Earthbent lands are also very difficult to entirely good rid off, since when that land would die or get exiled, it returns to the battlefield tapped
The tempo advantage this card provides is real, so long as you kill something with the first chapter
Orcus is pricey, but in the right deck, he can do a lot of work, particularly if you opt to fish him out of the graveyard
This card reminds me of Chandra, Torch of Defiance, except that youll open with the -3 ability and use the +1 ability every turn
When you finally reach seven mana, Grim Poppet is a perfect way to keep your -1/-1 counter engine in maximum efficiency