Wilds of Eldraine

Gumdrop Poisoner | Creature | Human Warlock | Lifelink When Gumdrop Poisoner enters the battlefield, up to one target creature gets -X/-X until end of turn, where X is the amount of life you gained this turn. | Brian Valeza

Lord Skitter, Sewer King | Legendary Creature | Rat Noble | Whenever another Rat enters the battlefield under your control, exile up to one target card from an opponent's graveyard. At the beginning of combat on your turn, create a 1/1 black Rat creature token with "This creature can't block." | Jesper Ejsing

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

Spiteful Hexmage | Creature | Human Warlock | When Spiteful Hexmage enters the battlefield, create a Cursed Role token attached to target creature you control. (If you control another Role on it, put that one into the graveyard. Enchanted creature is 1/1.) | Anna Steinbauer

Tangled Colony | Creature | Rat | Tangled Colony can't block. When Tangled Colony dies, create X 1/1 black Rat creature tokens with "This creature can't block," where X is the amount of damage dealt to it this turn. | Filip Burburan

Cruel Somnophage | Creature | Nightmare | Cruel Somnophage's power and toughness are each equal to the number of creature cards in all graveyards. | Jason A. Engle

Devouring Sugarmaw | Creature | Horror | Menace, trample At the beginning of your upkeep, you may sacrifice an artifact, enchantment, or token. If you don't, tap Devouring Sugarmaw. | Nino Vecia

Likeness Looter | Creature | Faerie Shapeshifter | Flying {T}: Draw a card, then discard a card. {X}: Likeness Looter becomes a copy of target creature card in your graveyard with mana value X, except it has flying and this ability. Activate only as a sorcery. | Ben Hill

Faunsbane Troll | Creature | Troll | When Faunsbane Troll enters the battlefield, create a Monster Role token attached to it. (Enchanted creature gets +1/+1 and has trample.) {1}, Sacrifice an Aura attached to Faunsbane Troll: Faunsbane Troll fights target creature you don't control. If that creature would die this turn, exile it instead. Activate only as a sorcery. | Artur Nakhodkin