The Lost Caverns of Ixalan

Belligerent Yearling | Creature | Dinosaur | Trample Whenever another Dinosaur enters the battlefield under your control, you may have Belligerent Yearling's base power become equal to that creature's power until end of turn. | Maxime Minard

Burning Sun Cavalry | Creature | Human Knight | Whenever Burning Sun Cavalry attacks or blocks while you control a Dinosaur, Burning Sun Cavalry gets +1/+1 until end of turn. | Josu Hernaiz

Enterprising Scallywag | Creature | Goblin Pirate | At the beginning of your end step, if you descended this turn, create a Treasure token. (You descended if a permanent card was put into your graveyard from anywhere.) | Denman Rooke

Inti, Seneschal of the Sun | Legendary Creature | Human Knight | Whenever you attack, you may discard a card. When you do, put a +1/+1 counter on target attacking creature. It gains trample until end of turn. Whenever you discard one or more cards, exile the top card of your library. You may play that card until your next end step. | Victor Adame Minguez

Saheeli's Lattice // Mastercraft Raptor | Artifact // Artifact Creature | // Dinosaur | When Saheeli's Lattice enters, you may discard a card. If you do, draw two cards. Craft with one or more Dinosaurs {4}{R} ({4}{R}, Exile this artifact, Exile one or more Dinosaurs you control and/or Dinosaur cards from your graveyard: Return this card transformed under its owner's control. Craft only as a sorcery.) // Mastercraft Raptor's power is equal to the total power of the exiled cards used to craft it. | Zoltan Boros

Sunshot Militia | Creature | Human Soldier | Tap two untapped artifacts and/or creatures you control: Sunshot Militia deals 1 damage to each opponent. Activate only as a sorcery. | Torgeir Fjereide

Volatile Wanderglyph | Artifact Creature | Golem | Whenever Volatile Wanderglyph becomes tapped, you may discard a card. If you do, draw a card. | Slawomir Maniak

Captain Storm, Cosmium Raider | Legendary Creature | Human Pirate | Whenever an artifact enters the battlefield under your control, put a +1/+1 counter on target Pirate you control. | Diego Gisbert

Saheeli, the Sun's Brilliance | Legendary Creature | Human Artificer | {U}{R}, {T}: Create a token that's a copy of another target creature or artifact you control, except it's an artifact in addition to its other types. It gains haste. Sacrifice it at the beginning of the next end step. | Cynthia Sheppard

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

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