First, it was something that the opponent couldn't continually do, meaning the inertia would push the Werewolves to eventually stay Werewolves
Both of those are pretty strong from where I am sitting, since the first is a win-con and mass card advantage and the second is a strong Zombify effect
Unlike other infect dorks this hides behind a defense and slowly chips away at their poison count
That means certain variants (alt arts, special foils, event promos) can hold value independent of metagame shifts
Two mana and a card is too much to spend for a bit of filtering, even in most decks looking for looting effects
A playing card deck's dimensions are 2.8 inches in height, 3.8 inches in length, and around 0.75 inches wide