For each creature card put into a graveyard this way, you create a tapped 2/2 black Zombie creature token
However, they are very hard to pull from booster packs
Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owners control with a -1/-1 counter on it.) Illustrated by Drew Tucker Standard Not Legal Alchemy Not Legal Pioneer Not Legal Historic Not Legal Modern Legal Brawl Not Legal Legacy Legal Comp
This creates an approximate 2:1 ratio of nonland and land cards, meaning youll generally draw two nonland cards for every land card
Its hard to argue that a white deck shouldnt be playing this card, and even if your opponents arent greedy enough to ignore paying the one, you can easily buff it with equipment, counters or anthems, leading to almost guaranteed card draw