Ixalan

Huatli, Warrior Poet | Legendary Planeswalker | Huatli | +2: You gain life equal to the greatest power among creatures you control. 0: Create a 3/3 green Dinosaur creature token with trample. −X: Huatli, Warrior Poet deals X damage divided as you choose among any number of target creatures. Creatures dealt damage this way can't block this turn. | Tyler Jacobson

Sky Terror | Creature | Dinosaur | Flying, menace | Johann Bodin

Marauding Looter | Creature | Human Pirate | Raid — At the beginning of your end step, if you attacked this turn, you may draw a card. If you do, discard a card. | Jason A. Engle

Dire Fleet Captain | Creature | Orc Pirate | Whenever Dire Fleet Captain attacks, it gets +1/+1 until end of turn for each other attacking Pirate. | Yongjae Choi

Raging Swordtooth | Creature | Dinosaur | Trample When Raging Swordtooth enters the battlefield, it deals 1 damage to each other creature. | Izzy

Regisaur Alpha | Creature | Dinosaur | Other Dinosaurs you control have haste. When Regisaur Alpha enters the battlefield, create a 3/3 green Dinosaur creature token with trample. | Jonathan Kuo

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

Admiral Beckett Brass | Legendary Creature | Human Pirate | Other Pirates you control get +1/+1. At the beginning of your end step, gain control of target nonland permanent controlled by a player who was dealt combat damage by three or more Pirates this turn. | Jason Rainville