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

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

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

Vraska, Relic Seeker | Legendary Planeswalker | Vraska | +2: Create a 2/2 black Pirate creature token with menace. −3: Destroy target artifact, creature, or enchantment. Create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.") −10: Target player's life total becomes 1. | Chris Rahn

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