Liliana, the Last Hope [The List] Sliver Enchanted creature is a Spirit

Enchanted creature is a Spirit and can't attack or block

Set: Dominaria United Type: Creature — Nightmare Wall Rarity: Common Cost: {2}{B} Defender

“I told you I'd learned some new tricks

Each of those creatures doesn't untap during its controller's next untap step

Using other cards as clues

Liliana, the Last Hope [The List] Sliver Enchanted creature is a SpiritSet: The List Type: Legendary Planeswalker Liliana Rarity: Mythic Cost: {1}{B}{B} +1: Up to one target creature gets 2 1 until your next turn. 2: Mill two cards, then you may return a creature card from your graveyard to your hand. 7: You get an emblem with "At the beginning of your end step, create X 2 2 black Zombie creature tokens, where X is two plus the number of Zombies you control."