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

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

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

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

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