Dominaria

Diligent Excavator | Creature | Human Artificer | Whenever you cast a historic spell, target player mills two cards. (Artifacts, legendaries, and Sagas are historic.) | Mark Behm

Merfolk Trickster | Creature | Merfolk Wizard | Flash When Merfolk Trickster enters the battlefield, tap target creature an opponent controls. It loses all abilities until end of turn. | Jesper Ejsing

Sage of Lat-Nam | Creature | Human Artificer | {T}, Sacrifice an artifact: Draw a card. | Matt Stewart

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

Slinn Voda, the Rising Deep | Legendary Creature | Leviathan | Kicker {1}{U} (You may pay an additional {1}{U} as you cast this spell.) When Slinn Voda, the Rising Deep enters the battlefield, if it was kicked, return all creatures to their owners' hands except for Merfolk, Krakens, Leviathans, Octopuses, and Serpents. | Grzegorz Rutkowski

Tetsuko Umezawa, Fugitive | Legendary Creature | Human Rogue | Creatures you control with power or toughness 1 or less can't be blocked. | Randy Vargas

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

Rona, Disciple of Gix | Legendary Creature | Human Artificer | When Rona, Disciple of Gix enters the battlefield, you may exile target historic card from your graveyard. (Artifacts, legendaries, and Sagas are historic.) You may cast spells from among cards exiled with Rona. {4}, {T}: Exile the top card of your library. | Tommy Arnold

Adeliz, the Cinder Wind | Legendary Creature | Human Wizard | Flying, haste Whenever you cast an instant or sorcery spell, Wizards you control get +1/+1 until end of turn. | Zezhou Chen

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