Murders at Karlov Manor

Agency Coroner | Creature | Ogre Cleric | {2}{B}, Sacrifice another creature: Draw a card. If the sacrificed creature was suspected, draw two cards instead. | Uriah Voth

Undercity Eliminator | Creature | Gorgon Assassin | When Undercity Eliminator enters the battlefield, you may sacrifice an artifact or creature. When you do, exile target creature an opponent controls. | Quintin Gleim

Judith, Carnage Connoisseur | Legendary Creature | Human Shaman | Whenever you cast an instant or sorcery spell, choose one — • That spell gains deathtouch and lifelink. • Create a 2/2 red Imp creature token with "When this creature dies, it deals 2 damage to each opponent." | Jodie Muir

Shady Informant | Creature | Ogre Rogue | When Shady Informant dies, it deals 2 damage to any target. Disguise {2}{B/R}{B/R} (You may cast this card face down for {3} as a 2/2 creature with ward {2}. Turn it face up any time for its disguise cost.) | Caio Monteiro

Niv-Mizzet, Guildpact | Legendary Creature | Dragon Avatar | Flying, hexproof from multicolored Whenever Niv-Mizzet, Guildpact deals combat damage to a player, it deals X damage to any target, target player draws X cards, and you gain X life, where X is the number of different color pairs among permanents you control that are exactly two colors. | Chris Rallis