Murders at Karlov Manor

Bolrac-Clan Basher | Creature | Cyclops Warrior | Double strike, trample Disguise {3}{R}{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.) | Warren Mahy

Cornered Crook | Creature | Viashino Warrior | When Cornered Crook enters the battlefield, you may sacrifice an artifact. When you do, Cornered Crook deals 3 damage to any target. | Gabor Szikszai

Crime Novelist | Creature | Goblin Bard | Whenever you sacrifice an artifact, put a +1/+1 counter on Crime Novelist and add {R}. | Izzy

Frantic Scapegoat | Creature | Goat | Haste When Frantic Scapegoat enters the battlefield, suspect it. (It has menace and can't block.) Whenever one or more other creatures enter the battlefield under your control, if Frantic Scapegoat is suspected, you may suspect one of the other creatures. If you do, Frantic Scapegoat is no longer suspected. | Jesper Ejsing

Harried Dronesmith | Creature | Human Artificer | At the beginning of combat on your turn, create a 1/1 colorless Thopter artifact creature token with flying. It gains haste until end of turn. Sacrifice it at the beginning of your next end step. | Lindsey Look

Reckless Detective | Creature | Devil Detective | Whenever Reckless Detective attacks, you may sacrifice an artifact or discard a card. If you do, draw a card and Reckless Detective gets +2/+0 until end of turn. | Tuan Duong Chu

Vengeful Tracker | Creature | Human Detective | Whenever an opponent sacrifices an artifact, Vengeful Tracker deals 2 damage to them. | Francisco Miyara

Meddling Youths | Creature | Human Detective | Haste Whenever you attack with three or more creatures, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.") | Matt Forsyth

Gleaming Geardrake | Artifact Creature | Drake | Flying When Gleaming Geardrake enters the battlefield, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.") Whenever you sacrifice an artifact, put a +1/+1 counter on Gleaming Geardrake. | Filipe Pagliuso

Rune-Brand Juggler | Creature | Human Shaman | When Rune-Brand Juggler enters the battlefield, suspect up to one target creature you control. (A suspected creature has menace and can't block.) {3}{B}{R}, Sacrifice a suspected creature: Target creature gets -5/-5 until end of turn. | Mila Pesic

Tin Street Gossip | Creature | Viashino Advisor | Vigilance {T}: Add {R}{G}. Spend this mana only to cast face-down spells or to turn creatures face up. | Tony Foti