Ravnica Allegiance

Bloodmist Infiltrator | Creature | Vampire | Whenever Bloodmist Infiltrator attacks, you may sacrifice another creature. If you do, Bloodmist Infiltrator can't be blocked this turn. | Mitchell Malloy

Cry of the Carnarium | Sorcery | | All creatures get -2/-2 until end of turn. Exile all creature cards in all graveyards that were put there from the battlefield this turn. If a creature would die this turn, exile it instead. | Johann Bodin

Drill Bit | Sorcery | | Spectacle {B} (You may cast this spell for its spectacle cost rather than its mana cost if an opponent lost life this turn.) Target player reveals their hand. You choose a nonland card from it. That player discards that card. | Sidharth Chaturvedi

Spire Mangler | Creature | Insect | Flash Flying When Spire Mangler enters the battlefield, target creature with flying you control gets +2/+0 until end of turn. | Tomasz Jedruszek

Mortify | Instant | | Destroy target creature or enchantment. | Anthony Palumbo

Hackrobat | Creature | Human Rogue | Spectacle {B}{R} (You may cast this spell for its spectacle cost rather than its mana cost if an opponent lost life this turn.) {B}: Hackrobat gains deathtouch until end of turn. {R}: Hackrobat gets +2/-2 until end of turn. | Simon Dominic