Innistrad: Crimson Vow

Dying to Serve | Enchantment | | Whenever you discard one or more cards, create a tapped 2/2 black Zombie creature token. This ability triggers only once each turn. | Steven Belledin

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

Demonic Bargain | Sorcery | | Exile the top thirteen cards of your library, then search your library for a card. Put that card into your hand, then shuffle. | Sam Guay

Path of Peril | Sorcery | | Cleave {4}{W}{B} (You may cast this spell for its cleave cost. If you do, remove the words in square brackets.) Destroy all creatures [with mana value 2 or less]. | Kasia 'Kafis' Zielińska

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

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