Rivals of Ixalan

Deadeye Rig-Hauler | Creature | Human Pirate | Raid — When Deadeye Rig-Hauler enters the battlefield, if you attacked this turn, you may return target creature to its owner's hand. | Victor Adame Minguez

Kitesail Corsair | Creature | Human Pirate | Kitesail Corsair has flying as long as it's attacking. | Greg Opalinski

Mist-Cloaked Herald | Creature | Merfolk Warrior | Mist-Cloaked Herald can't be blocked. | Anthony Palumbo

River Darter | Creature | Merfolk Warrior | River Darter can't be blocked by Dinosaurs. | Winona Nelson

Sailor of Means | Creature | Human Pirate | When Sailor of Means enters the battlefield, create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.") | Ryan Pancoast

Soul of the Rapids | Creature | Elemental | Flying Hexproof (This creature can't be the target of spells or abilities your opponents control.) | Anthony Palumbo

Spire Winder | Creature | Snake | Flying Ascend (If you control ten or more permanents, you get the city's blessing for the rest of the game.) Spire Winder gets +1/+1 as long as you have the city's blessing. | Titus Lunter

Sworn Guardian | Creature | Merfolk Warrior | | Sara Winters