Dominaria

Befuddle | Instant | | Target creature gets -4/-0 until end of turn. Draw a card. | Svetlin Velinov

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

Opt | Instant | | Scry 1. Draw a card. | Tyler Jacobson

Rescue | Instant | | Return target permanent you control to its owner's hand. | Joe Slucher

Syncopate | Instant | | Counter target spell unless its controller pays {X}. If that spell is countered this way, exile it instead of putting it into its owner's graveyard. | Tommy Arnold

Unwind | Instant | | Counter target noncreature spell. Untap up to three lands. | Anna Steinbauer

Wizard's Retort | Instant | | This spell costs {1} less to cast if you control a Wizard. Counter target spell. | Grzegorz Rutkowski