The Lost Caverns of Ixalan

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

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

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

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

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