The Lost Caverns of Ixalan

Armored Kincaller | Creature | Dinosaur | When Armored Kincaller enters the battlefield, you may reveal a Dinosaur card from your hand. If you do or if you control another Dinosaur, you gain 3 life. | John Tedrick

Coati Scavenger | Creature | Raccoon | Descend 4 — When Coati Scavenger enters the battlefield, if there are four or more permanent cards in your graveyard, return target permanent card from your graveyard to your hand. | Alessandra Pisano

Growing Rites of Itlimoc // Itlimoc, Cradle of the Sun | Legendary Enchantment // Legendary Land | | When Growing Rites of Itlimoc enters, look at the top four cards of your library. You may reveal a creature card from among them and put it into your hand. Put the rest on the bottom of your library in any order. At the beginning of your end step, if you control four or more creatures, transform Growing Rites of Itlimoc. // (Transforms from Growing Rites of Itlimoc.) {T}: Add {G}. {T}: Add {G} for each creature you control. | Josu Hernaiz

Huatli, Poet of Unity // Roar of the Fifth People | Legendary Creature // Enchantment | Human Warrior Bard // Saga | When Huatli, Poet of Unity enters, search your library for a basic land card, reveal it, put it into your hand, then shuffle. {3}{R/W}{R/W}: Exile Huatli, then return her to the battlefield transformed under her owner's control. Activate only as a sorcery. // (As this Saga enters and after your draw step, add a lore counter. Sacrifice after IV.) I — Create two 3/3 green Dinosaur creature tokens. II — Roar of the Fifth People gains "Creatures you control have '{T}: Add {R}, {G}, or {W}.'" III — Search your library for a Dinosaur card, reveal it, put it into your hand, then shuffle. IV — Dinosaurs you control gain double strike and trample until end of turn. | Tyler Jacobson

Huatli's Final Strike | Instant | | Target creature you control gets +1/+0 until end of turn. It deals damage equal to its power to target creature an opponent controls. | Marta Nael

In the Presence of Ages | Instant | | Reveal the top four cards of your library. You may put a creature card and/or a land card from among them into your hand. Put the rest into your graveyard. | Steve Prescott

Kaslem's Stonetree | Artifact | | When Kaslem's Stonetree enters the battlefield, look at the top six cards of your library. You may put a land card from among them onto the battlefield tapped. Put the rest on the bottom in a random order. Craft with Cave {5}{G} ({5}{G}, Exile this artifact, Exile a Cave you control or a Cave card from your graveyard: Return this card transformed under its owner's control. Craft only as a sorcery.) | Victor Adame Minguez

Malamet Scythe | Artifact | Equipment | Flash When Malamet Scythe enters the battlefield, attach it to target creature you control. Equipped creature gets +2/+2. Equip {4} ({4}: Attach to target creature you control. Equip only as a sorcery.) | Hristo D. Chukov

Pugnacious Hammerskull | Creature | Dinosaur | Whenever Pugnacious Hammerskull attacks while you don't control another Dinosaur, put a stun counter on it. (If a permanent with a stun counter would become untapped, remove one from it instead.) | Kev Walker

River Herald Guide | Creature | Merfolk Scout | Vigilance When River Herald Guide enters the battlefield, it explores. (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.) | David Astruga

Sentinel of the Nameless City | Creature | Merfolk Warrior Scout | Vigilance Whenever Sentinel of the Nameless City enters the battlefield or attacks, create a Map token. (It's an artifact with "{1}, {T}, Sacrifice this artifact: Target creature you control explores. Activate only as a sorcery.") | Josu Hernaiz

Spelunking | Enchantment | | When Spelunking enters the battlefield, draw a card, then you may put a land card from your hand onto the battlefield. If you put a Cave onto the battlefield this way, you gain 4 life. Lands you control enter the battlefield untapped. | Ernanda Souza

Thrashing Brontodon | Creature | Dinosaur | {1}, Sacrifice Thrashing Brontodon: Destroy target artifact or enchantment. | Randy Vargas

Kutzil, Malamet Exemplar | Legendary Creature | Cat Warrior | Your opponents can't cast spells during your turn. Whenever one or more creatures you control each with power greater than its base power deals combat damage to a player, draw a card. | Marie Magny

Akawalli, the Seething Tower | Legendary Creature | Fungus | Descend 4 — As long as there are four or more permanent cards in your graveyard, Akawalli, the Seething Tower gets +2/+2 and has trample. Descend 8 — As long as there are eight or more permanent cards in your graveyard, Akawalli gets an additional +2/+2 and can't be blocked by more than one creature. | Simon Dominic

The Mycotyrant | Legendary Creature | Elder Fungus | Trample The Mycotyrant's power and toughness are each equal to the number of creatures you control that are Fungi and/or Saprolings. At the beginning of your end step, create X 1/1 black Fungus creature tokens with "This creature can't block," where X is the number of times you descended this turn. (You descend each time a permanent card is put into your graveyard from anywhere.) | Chase Stone

Squirming Emergence | Sorcery | | Fathomless descent — Return to the battlefield target nonland permanent card in your graveyard with mana value less than or equal to the number of permanent cards in your graveyard. | Simon Dominic