Core Set 2021

Carrion Grub | Creature | Insect | Carrion Grub gets +X/+0, where X is the greatest power among creature cards in your graveyard. When Carrion Grub enters the battlefield, mill four cards. (Put the top four cards of your library into your graveyard.) | Nicholas Gregory

Crypt Lurker | Creature | Horror | When Crypt Lurker enters the battlefield, you may sacrifice a creature or discard a creature card. If you do, draw a card. | Svetlin Velinov

Kaervek, the Spiteful | Legendary Creature | Human Warlock | Other creatures get -1/-1. | Daarken

Liliana, Waker of the Dead | Legendary Planeswalker | Liliana | +1: Each player discards a card. Each opponent who can't loses 3 life. −3: Target creature gets -X/-X until end of turn, where X is the number of cards in your graveyard. −7: You get an emblem with "At the beginning of combat on your turn, put target creature card from a graveyard onto the battlefield under your control. It gains haste." | Anna Steinbauer

Sanguine Indulgence | Sorcery | | This spell costs {3} less to cast if you've gained 3 or more life this turn. Return up to two target creature cards from your graveyard to your hand. | Andrey Kuzinskiy

Skeleton Archer | Creature | Skeleton Archer | When Skeleton Archer enters the battlefield, it deals 1 damage to any target. | Randy Vargas