The Lost Caverns of Ixalan

Deathcap Marionette | Creature | Fungus | Deathtouch When Deathcap Marionette enters the battlefield, you may mill two cards. (You may put the top two cards of your library into your graveyard.) | Svetlin Velinov

Deep-Cavern Bat | Creature | Bat | Flying, lifelink When Deep-Cavern Bat enters the battlefield, look at target opponent's hand. You may exile a nonland card from it until Deep-Cavern Bat leaves the battlefield. | Campbell White

Echo of Dusk | Creature | Vampire Spirit | Descend 4 — As long as there are four or more permanent cards in your graveyard, Echo of Dusk gets +1/+1 and has lifelink. | Domenico Cava

Skullcap Snail | Creature | Fungus Snail | When Skullcap Snail enters the battlefield, target opponent exiles a card from their hand. | Maxime Minard

Souls of the Lost | Creature | Spirit | As an additional cost to cast this spell, discard a card or sacrifice a permanent. Fathomless descent — Souls of the Lost's power is equal to the number of permanent cards in your graveyard and its toughness is equal to that number plus 1. | Nils Hamm

Visage of Dread // Dread Osseosaur | Artifact // Creature | // Dinosaur Skeleton Horror | When Visage of Dread enters, target opponent reveals their hand. You choose an artifact or creature card from it. That player discards that card. Craft with two creatures {5}{B} ({5}{B}, Exile this artifact, Exile the two from among creatures you control and/or creature cards in your graveyard: Return this card transformed under its owner's control. Craft only as a sorcery.) // Menace Whenever Dread Osseosaur enters or attacks, you may mill two cards. (You may put the top two cards of your library into your graveyard.) | David Auden Nash

Amalia Benavides Aguirre | Legendary Creature | Vampire Scout | Ward—Pay 3 life. Whenever you gain life, Amalia Benavides Aguirre explores. Then, destroy all other creatures if its power is exactly 20. (To have this creature explore, reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on this creature, then put the card back or put it into your graveyard.) | Alix Branwyn

Bartolomé del Presidio | Legendary Creature | Vampire Knight | Sacrifice another creature or artifact: Put a +1/+1 counter on Bartolomé del Presidio. | Randy Gallegos

The Ancient One | Legendary Creature | Spirit God | Descend 8 — The Ancient One can't attack or block unless there are eight or more permanent cards in your graveyard. {2}{U}{B}: Draw a card, then discard a card. When you discard a card this way, target player mills cards equal to its mana value. | Victor Adame Minguez

Zoyowa Lava-Tongue | Legendary Creature | Goblin Warlock | Deathtouch At the beginning of your end step, if you descended this turn, each opponent may discard a card or sacrifice a permanent. Zoyowa Lava-Tongue deals 3 damage to each opponent who didn't. (You descended if a permanent card was put into your graveyard from anywhere.) | Campbell White