Dominaria

Blink of an Eye | Instant | | Kicker {1}{U} (You may pay an additional {1}{U} as you cast this spell.) Return target nonland permanent to its owner's hand. If this spell was kicked, draw a card. | Igor Kieryluk

Relic Runner | Creature | Human Rogue | Relic Runner can't be blocked if you've cast a historic spell this turn. (Artifacts, legendaries, and Sagas are historic.) | Josu Hernaiz

Vodalian Arcanist | Creature | Merfolk Wizard | {T}: Add {C}. Spend this mana only to cast an instant or sorcery spell. | Tyler Walpole