Flying When Gorging Vulture enters the battlefield, mill four cards. You gain 1 life for each creature card milled this way. (To mill a card, put the top card of your library into your graveyard.)

Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.) Whenever Graveblade Marauder deals combat damage to a player, that player loses life equal to the number of creature cards in your graveyard.

Liliana's Elite gets +1/+1 for each creature card in your graveyard.

Undergrowth — When Moodmark Painter enters the battlefield, target creature gains menace and gets +X/+0 until end of turn, where X is the number of creature cards in your graveyard. (It can't be blocked except by two or more creatures.)

When Ossuary Rats enters the battlefield, it deals X damage to target creature or planeswalker an opponent controls, where X is the number of creature cards in your graveyard.

Flying When Shadowborn Demon enters the battlefield, destroy target non-Demon creature. At the beginning of your upkeep, if there are fewer than six creature cards in your graveyard, sacrifice a creature.

When Stitcher's Supplier enters the battlefield or dies, mill three cards.

{4}{B}{B}, Exile Suspicious Shambler from your graveyard: Create two 2/2 black Zombie creature tokens. Activate only as a sorcery.

Mill three cards, then you may return a creature card from your graveyard to your hand. (To mill a card, put the top card of your library into your graveyard.)

Target creature gets +X/+0 until end of turn, where X is the number of creature cards in your graveyard.

({T}: Add {B}.)