Ixalan

Vona, Butcher of Magan | Legendary Creature | Vampire Knight | Vigilance, lifelink {T}, Pay 7 life: Destroy target nonland permanent. Activate only during your turn. | Volkan Baǵa

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

Belligerent Brontodon | Creature | Dinosaur | Each creature you control assigns combat damage equal to its toughness rather than its power. | Dan Scott

Deadeye Plunderers | Creature | Human Pirate | Deadeye Plunderers gets +1/+1 for each artifact you control. {2}{U}{B}: Create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.") | Greg Opalinski

Hostage Taker | Creature | Human Pirate | When Hostage Taker enters the battlefield, exile another target creature or artifact until Hostage Taker leaves the battlefield. You may cast that card for as long as it remains exiled, and you may spend mana as though it were mana of any type to cast that spell. | Wayne Reynolds

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

Shapers of Nature | Creature | Merfolk Shaman | {3}{G}: Put a +1/+1 counter on target creature. {2}{U}, Remove a +1/+1 counter from a creature you control: Draw a card. | Chris Seaman

Tishana, Voice of Thunder | Legendary Creature | Merfolk Shaman | Tishana, Voice of Thunder's power and toughness are each equal to the number of cards in your hand. You have no maximum hand size. When Tishana enters the battlefield, draw a card for each creature you control. | Anna Steinbauer

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