Wilds of Eldraine

Ashiok, Wicked Manipulator | Legendary Planeswalker | Ashiok | If you would pay life while your library has at least that many cards in it, exile that many cards from the top of your library instead. +1: Look at the top two cards of your library. Exile one of them and put the other into your hand. −2: Create two 1/1 black Nightmare creature tokens with "At the beginning of combat on your turn, if a card was put into exile this turn, put a +1/+1 counter on this creature." −7: Target player exiles the top X cards of their library, where X is the total mana value of cards you own in exile. | Raymond Swanland

High Fae Negotiator | Creature | Faerie Warlock | Bargain (You may sacrifice an artifact, enchantment, or token as you cast this spell.) Flying When High Fae Negotiator enters the battlefield, if it was bargained, each opponent loses 3 life and you gain 3 life. | Anna Christenson

Lich-Knights' Conquest | Sorcery | | Sacrifice any number of artifacts, enchantments, and/or tokens. Return that many creature cards from your graveyard to the battlefield. | Denis Zhbankov

Scream Puff | Creature | Horror | Deathtouch Whenever Scream Puff deals combat damage to a player, create a Food token. (It's an artifact with "{2}, {T}, Sacrifice this artifact: You gain 3 life.") | Nicholas Gregory

Shatter the Oath | Sorcery | | Destroy target creature or enchantment. Create a Wicked Role token attached to up to one target creature you control. (If you control another Role on it, put that one into the graveyard. Enchanted creature gets +1/+1. When this Aura is put into a graveyard, each opponent loses 1 life.) | Dominik Mayer

Specter of Mortality | Creature | Specter | Flying When Specter of Mortality enters the battlefield, you may exile one or more creature cards from your graveyard. When you do, each other creature gets -X/-X until end of turn, where X is the number of cards exiled this way. | Daarken

Twisted Sewer-Witch | Creature | Human Warlock | When Twisted Sewer-Witch enters the battlefield, create a 1/1 black Rat creature token with "This creature can't block." Then for each Rat you control, create a Wicked Role token attached to that Rat. (If you control another Role on it, put that one into the graveyard. Enchanted creature gets +1/+1. When this Aura is put into a graveyard, each opponent loses 1 life.) | Scott Murphy

Old Flitterfang | Legendary Creature | Rat Faerie | Flying At the beginning of each end step, if a creature died this turn, create a Food token. (It's an artifact with "{2}, {T}, Sacrifice this artifact: You gain 3 life.") {2}{B}, Sacrifice another creature or artifact: Old Flitterfang gets +2/+2 until end of turn. | Chris Seaman