Dominaria

Academy Journeymage | Creature | Human Wizard | This spell costs {1} less to cast if you control a Wizard. When Academy Journeymage enters the battlefield, return target creature an opponent controls to its owner's hand. | Magali Villeneuve

Cloudreader Sphinx | Creature | Sphinx | Flying When Cloudreader Sphinx enters the battlefield, scry 2. (Look at the top two cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.) | Kev Walker

Sentinel of the Pearl Trident | Creature | Merfolk Soldier | Flash When Sentinel of the Pearl Trident enters the battlefield, you may exile target historic permanent you control. If you do, return that card to the battlefield under its owner's control at the beginning of the next end step. (Artifacts, legendaries, and Sagas are historic.) | Jonas De Ro

Tatyova, Benthic Druid | Legendary Creature | Merfolk Druid | Landfall — Whenever a land enters the battlefield under your control, you gain 1 life and draw a card. | Mathias Kollros