Dominaria

Homarid Explorer | Creature | Homarid Scout | When Homarid Explorer enters the battlefield, target player mills four cards. | Jehan Choo

Naru Meha, Master Wizard | Legendary Creature | Human Wizard | Flash When Naru Meha, Master Wizard enters the battlefield, copy target instant or sorcery spell you control. You may choose new targets for the copy. Other Wizards you control get +1/+1. | Matt Stewart

Raff Capashen, Ship's Mage | Legendary Creature | Human Wizard | Flash Flying You may cast historic spells as though they had flash. (Artifacts, legendaries, and Sagas are historic.) | John Stanko

Jhoira, Weatherlight Captain | Legendary Creature | Human Artificer | Whenever you cast a historic spell, draw a card. (Artifacts, legendaries, and Sagas are historic.) | Brad Rigney

Jodah, Archmage Eternal | Legendary Creature | Human Wizard | Flying You may pay {W}{U}{B}{R}{G} rather than pay the mana cost for spells that you cast. | Yongjae Choi