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

Basking Capybara | Creature | Capybara | Descend 4 — Basking Capybara gets +3/+0 as long as there are four or more permanent cards in your graveyard. | Ilse Gort

Bedrock Tortoise | Creature | Turtle | As long as it's your turn, creatures you control have hexproof. Each creature you control with toughness greater than its power assigns combat damage equal to its toughness rather than its power. | Maxime Minard

Cavern Stomper | Creature | Dinosaur | When Cavern Stomper enters the battlefield, scry 2. (Look at the top two cards of your library, then put any number of them on the bottom and the rest on top in any order.) {3}{G}: Cavern Stomper can't be blocked by creatures with power 2 or less this turn. | David Szabo

Cenote Scout | Creature | Merfolk Scout | When Cenote Scout 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.) | Caroline Gariba

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

Colossadactyl | Creature | Dinosaur | Reach, trample | Campbell White

Earthshaker Dreadmaw | Creature | Dinosaur | Trample When Earthshaker Dreadmaw enters the battlefield, draw a card for each other Dinosaur you control. | Jesper Ejsing

Ghalta, Stampede Tyrant | Legendary Creature | Elder Dinosaur | Trample When Ghalta, Stampede Tyrant enters the battlefield, put any number of creature cards from your hand onto the battlefield. | Lars Grant-West

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

Hulking Raptor | Creature | Dinosaur | Ward {2} At the beginning of your precombat main phase, add {G}{G}. | Nestor Ossandon Leal

Intrepid Paleontologist | Creature | Human Druid | {T}: Add one mana of any color. {2}: Exile target card from a graveyard. You may cast Dinosaur creature spells from among cards you own exiled with Intrepid Paleontologist. If you cast a spell this way, that creature enters the battlefield with a finality counter on it. (If a creature with a finality counter on it would die, exile it instead.) | Irina Nordsol

Ixalli's Lorekeeper | Creature | Human Druid | {T}: Add one mana of any color. Spend this mana only to cast a Dinosaur spell or activate an ability of a Dinosaur source. | Ernanda Souza

Jadelight Spelunker | Creature | Merfolk Scout | When Jadelight Spelunker enters the battlefield, it explores X times. (To have it 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 that creature, then put the card back or put it into your graveyard.) | Izzy

Malamet Brawler | Creature | Cat Warrior | Whenever Malamet Brawler attacks, target attacking creature gains trample until end of turn. | Oriana Menendez

Malamet Veteran | Creature | Cat Warrior | Trample Descend 4 — Whenever Malamet Veteran attacks, if there are four or more permanent cards in your graveyard, put a +1/+1 counter on target creature. | Steve Prescott

Mineshaft Spider | Creature | Spider | Reach When Mineshaft Spider enters the battlefield, you may mill two cards. (You may put the top two cards of your library into your graveyard.) | Sam Rowan

Nurturing Bristleback | Creature | Dinosaur | When Nurturing Bristleback enters the battlefield, create a 3/3 green Dinosaur creature token. Forestcycling {2} ({2}, Discard this card: Search your library for a Forest card, reveal it, put it into your hand, then shuffle.) | John Tedrick

Ojer Kaslem, Deepest Growth // Temple of Cultivation | Legendary Creature // Land | God // | Trample Whenever Ojer Kaslem deals combat damage to a player, reveal that many cards from the top of your library. You may put a creature card and/or a land card from among them onto the battlefield. Put the rest on the bottom in a random order. When Ojer Kaslem dies, return it to the battlefield tapped and transformed under its owner's control. // (Transforms from Ojer Kaslem, Deepest Growth.) {T}: Add {G}. {2}{G}, {T}: Transform Temple of Cultivation. Activate only if you control ten or more permanents and only as a sorcery. | Ryan Pancoast

Pathfinding Axejaw | Creature | Dinosaur | When Pathfinding Axejaw 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.) | Raoul Vitale

Poison Dart Frog | Creature | Frog | Reach {T}: Add one mana of any color. {2}: Poison Dart Frog gains deathtouch until end of turn. | Julia Metzger

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

Seeker of Sunlight | Creature | Merfolk Scout | {2}{G}: Seeker of Sunlight explores. Activate only as a sorcery. (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.) | Randy Vargas

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

Tendril of the Mycotyrant | Creature | Fungus Wizard | {5}{G}{G}: Put seven +1/+1 counters on target noncreature land you control. It becomes a 0/0 Fungus creature with haste. It's still a land. | Maxime Minard

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

Sovereign Okinec Ahau | Legendary Creature | Cat Noble | Ward {2} Whenever Sovereign Okinec Ahau attacks, for each creature you control with power greater than that creature's base power, put a number of +1/+1 counters on that creature equal to the difference. | Victor Adame Minguez

Deepfathom Echo | Creature | Merfolk Spirit | At the beginning of combat on your turn, Deepfathom Echo explores. Then you may have it become a copy of another creature you control until end of turn. (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.) | Matt Stewart

Nicanzil, Current Conductor | Legendary Creature | Merfolk Scout | Whenever a creature you control explores a land card, you may put a land card from your hand onto the battlefield tapped. Whenever a creature you control explores a nonland card, put a +1/+1 counter on Nicanzil, Current Conductor. | Fariba Khamseh

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

Itzquinth, Firstborn of Gishath | Legendary Creature | Dinosaur | Haste When Itzquinth, Firstborn of Gishath enters the battlefield, you may pay {2}. When you do, target Dinosaur you control deals damage equal to its power to another target creature. | Lars Grant-West

Palani's Hatcher | Creature | Dinosaur | Other Dinosaurs you control have haste. When Palani's Hatcher enters the battlefield, create two 0/1 green Dinosaur Egg creature tokens. At the beginning of combat on your turn, if you control one or more Eggs, sacrifice an Egg, then create a 3/3 green Dinosaur creature token. | Aaron Miller

Gishath, Sun's Avatar | Legendary Creature | Dinosaur Avatar | Vigilance, trample, haste Whenever Gishath, Sun's Avatar deals combat damage to a player, reveal that many cards from the top of your library. Put any number of Dinosaur creature cards from among them onto the battlefield and the rest on the bottom of your library in a random order. | Zack Stella