Innistrad: Crimson Vow

Fell Stinger | Creature | Zombie Scorpion | Deathtouch Exploit (When this creature enters the battlefield, you may sacrifice a creature.) When Fell Stinger exploits a creature, target player draws two cards and loses 2 life. | Lars Grant-West

Gluttonous Guest | Creature | Vampire | When Gluttonous Guest enters the battlefield, create a Blood token. (It's an artifact with "{1}, {T}, Discard a card, Sacrifice this artifact: Draw a card.") Whenever you sacrifice a Blood token, you gain 1 life. | Jesper Ejsing

Archghoul of Thraben | Creature | Zombie Cleric | Whenever Archghoul of Thraben or another Zombie you control dies, look at the top card of your library. If it's a Zombie card, you may reveal it and put it into your hand. If you don't put the card into your hand, you may put it into your graveyard. | Johann Bodin

Desperate Farmer | Creature | Human Peasant | Lifelink When another creature you control dies, transform Desperate Farmer. | Valera Lutfullina

Falkenrath Forebear | Creature | Vampire | Flying Falkenrath Forebear can't block. Whenever Falkenrath Forebear deals combat damage to a player, create a Blood token. {B}, Sacrifice two Blood tokens: Return Falkenrath Forebear from your graveyard to the battlefield. | Aurore Folny

Catapult Fodder | Creature | Zombie | At the beginning of combat on your turn, if you control three or more creatures that each have toughness greater than their power, transform Catapult Fodder. | Jesper Ejsing

Headless Rider | Creature | Zombie | Whenever Headless Rider or another nontoken Zombie you control dies, create a 2/2 black Zombie creature token. | E. M. Gist

Courier Bat | Creature | Bat | Flying When Courier Bat enters the battlefield, if you gained life this turn, return up to one target creature card from your graveyard to your hand. | Ilse Gort

Markov Purifier | Creature | Vampire Cleric | Lifelink At the beginning of your end step, if you gained life this turn, you may pay {2}. If you do, draw a card. | G-host Lee

Runo Stromkirk | Legendary Creature | Vampire Cleric | Flying When Runo Stromkirk enters the battlefield, put up to one target creature card from your graveyard on top of your library. At the beginning of your upkeep, look at the top card of your library. You may reveal that card. If a creature card with mana value 6 or greater is revealed this way, transform Runo Stromkirk. | Matt Stewart

Old Rutstein | Legendary Creature | Human Peasant | When Old Rutstein enters the battlefield or at the beginning of your upkeep, mill a card. If a land card is milled this way, create a Treasure token. If a creature card is milled this way, create a 1/1 green Insect creature token. If a noncreature, nonland card is milled this way, create a Blood token. | Greg Staples