Guilds of Ravnica

Collar the Culprit | Instant | | Destroy target creature with toughness 4 or greater. | Victor Adame Minguez

Crush Contraband | Instant | | Choose one or both — • Exile target artifact. • Exile target enchantment. | Jason A. Engle

Chemister's Insight | Instant | | Draw two cards. Jump-start (You may cast this card from your graveyard by discarding a card in addition to paying its other costs. Then exile this card.) | Josh Hass

Devious Cover-Up | Instant | | Counter target spell. If that spell is countered this way, exile it instead of putting it into its owner's graveyard. You may shuffle up to four target cards from your graveyard into your library. | Micah Epstein

Price of Fame | Instant | | This spell costs {2} less to cast if it targets a legendary creature. Destroy target creature. Surveil 2. (Look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.) | Winona Nelson

Artful Takedown | Instant | | Choose one or both — • Tap target creature. • Target creature gets -2/-4 until end of turn. | Mike Bierek