They had two main rules that were present on all werewolves instead
I bring up Ardent Reapers premise mostly because I think its cool, but also because it inspires this simple yet oddly appealing back design, which is unique per deck, with the shape and color of the maze changing along with the words at the top of the card
However, if you already have four creature cards in your graveyard, you can skip casting Entropic Decay
Lead Developer Mike Turian chose to break a design principle by introducing the zero loyalty cost via Jaces Brainstorm ability and still allowed Jace to protect himself through a minus ability that negated threats that didnt come with haste
Nice little death trigger pair this makes
While it's easy to think that packing a deck with as many as possible will defeat anything that comes your way, it can actually have the opposite effect