Necromancer's Stockpile
Enchantment, 1B

{1}{B}, Discard a creature card: Draw a card. If the discarded card was a Zombie card, put a 2/2 black Zombie creature token onto the battlefield tapped.
So this card was released in M15 and after watching Conley Woods play it in a Standard deck at Pro Tour M15, it caught my eye as the cornerstone of a potential Legacy deck. Why has no one experimented with this or build something around it? It seems like a very powerful card in the right deck.

Of course you would slot this into a Zombie deck. We know zombies haven't been the most competitive deck in Legacy's history, but if we essentially have a 1B card advantage engine as the centerpiece, then maybe we have something. And then there are cards like Gempalm Polluter and even Patriarch's Bidding that take advantage of the situation that this card would often create. And recently printed Zombies are very good at making this effect even more assymetrical - Grave Crawler being a major new addition that would be excellent alongside this card.

The first thing that most people do when analyzing this card is to compare it to Zombie Infestation. It's similar, but this card creates actual card advantage whereas Infestation creates card disadvantage with every activation. The mana cost is steeper per activation, but the fact that this is an actual draw engine of sorts merits far more consideration than anything like Zombie Infestation. A 1B mana cost is always easier to pay than two cards from hand.

Could this be enough to give Mono Black Zombies the ability to play the long game and shore up that weakness that has always been present in tempo-oriented aggressive black decks?