Ixalan

Kinjalli's Sunwing | Creature | Dinosaur | Flying Creatures your opponents control enter the battlefield tapped. | Simon Dominic

Mavren Fein, Dusk Apostle | Legendary Creature | Vampire Cleric | Whenever one or more nontoken Vampires you control attack, create a 1/1 white Vampire creature token with lifelink. | Daarken

Kopala, Warden of Waves | Legendary Creature | Merfolk Wizard | Spells your opponents cast that target a Merfolk you control cost {2} more to cast. Abilities your opponents activate that target a Merfolk you control cost {2} more to activate. | Magali Villeneuve

Ruin Raider | Creature | Orc Pirate | Raid — At the beginning of your end step, if you attacked this turn, reveal the top card of your library and put that card into your hand. You lose life equal to the card's mana value. | Kieran Yanner

Captain Lannery Storm | Legendary Creature | Human Pirate | Haste Whenever Captain Lannery Storm attacks, create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.") Whenever you sacrifice a Treasure, Captain Lannery Storm gets +1/+0 until end of turn. | Chris Rallis

Rampaging Ferocidon | Creature | Dinosaur | Menace Players can't gain life. Whenever another creature enters the battlefield, Rampaging Ferocidon deals 1 damage to that creature's controller. | Jonathan Kuo

Tilonalli's Skinshifter | Creature | Human Shaman | Haste Whenever Tilonalli's Skinshifter attacks, it becomes a copy of another target nonlegendary attacking creature until end of turn. | Jason Rainville

Deathgorge Scavenger | Creature | Dinosaur | Whenever Deathgorge Scavenger enters the battlefield or attacks, you may exile target card from a graveyard. If a creature card is exiled this way, you gain 2 life. If a noncreature card is exiled this way, Deathgorge Scavenger gets +1/+1 until end of turn. | Tyler Jacobson