Rivals of Ixalan

Admiral's Order | Instant | | Raid — If you attacked this turn, you may pay {U} rather than pay this spell's mana cost. Counter target spell. | Slawomir Maniak

Crafty Cutpurse | Creature | Human Pirate | Flash When Crafty Cutpurse enters the battlefield, each token that would be created under an opponent's control this turn is created under your control instead. | Grzegorz Rutkowski

Induced Amnesia | Enchantment | | When Induced Amnesia enters the battlefield, target player exiles all cards from their hand face down, then draws that many cards. When Induced Amnesia is put into a graveyard from the battlefield, return the exiled cards to their owner's hand. | Chris Rallis

Kumena's Awakening | Enchantment | | Ascend (If you control ten or more permanents, you get the city's blessing for the rest of the game.) At the beginning of your upkeep, each player draws a card. If you have the city's blessing, instead only you draw a card. | Zack Stella

Nezahal, Primal Tide | Legendary Creature | Elder Dinosaur | This spell can't be countered. You have no maximum hand size. Whenever an opponent casts a noncreature spell, draw a card. Discard three cards: Exile Nezahal, Primal Tide. Return it to the battlefield tapped under its owner's control at the beginning of the next end step. | Sam Burley

Release to the Wind | Instant | | Exile target nonland permanent. For as long as that card remains exiled, its owner may cast it without paying its mana cost. | Joseph Meehan

Seafloor Oracle | Creature | Merfolk Wizard | Whenever a Merfolk you control deals combat damage to a player, draw a card. | Simon Dominic

Warkite Marauder | Creature | Human Pirate | Flying Whenever Warkite Marauder attacks, target creature defending player controls loses all abilities and has base power and toughness 0/1 until end of turn. | Victor Adame Minguez

Protean Raider | Creature | Shapeshifter Pirate | Raid — If you attacked this turn, you may have Protean Raider enter the battlefield as a copy of any creature on the battlefield. | Izzy

Storm the Vault | Legendary Enchantment | | Whenever one or more creatures you control deal combat damage to a player, create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.") At the beginning of your end step, if you control five or more artifacts, transform Storm the Vault. | Victor Adame Minguez

Hadana's Climb | Legendary Enchantment | | At the beginning of combat on your turn, put a +1/+1 counter on target creature you control. Then if that creature has three or more +1/+1 counters on it, transform Hadana's Climb. | Titus Lunter