Murders at Karlov Manor

Cold Case Cracker | Creature | Spirit Detective | Flying When Cold Case Cracker dies, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.") | Wayne Wu

Out Cold | Instant | | This spell can't be countered. (This includes by the ward ability.) Tap up to two target creatures and put a stun counter on each of them. Investigate. (If a permanent with a stun counter would become untapped, remove one from it instead.) | Tuan Duong Chu

Reenact the Crime | Instant | | Exile target nonland card in a graveyard that was put there from anywhere this turn. Copy it. You may cast the copy without paying its mana cost. | Daarken

Sudden Setback | Instant | | The owner of target spell or nonland permanent puts it on the top or bottom of their library. | Olivier Bernard

Surveillance Monitor | Creature | Vedalken Detective | When Surveillance Monitor enters the battlefield, you may collect evidence 4. (Exile cards with total mana value 4 or greater from your graveyard.) Whenever you collect evidence, create a 1/1 colorless Thopter artifact creature token with flying. | Scott Murphy

Granite Witness | Artifact Creature | Gargoyle Detective | Flying, vigilance Disguise {W/U}{W/U} (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.) When Granite Witness is turned face up, you may tap or untap target creature. | Tuan Duong Chu

Curious Cadaver | Creature | Zombie Detective | Flying When you sacrifice a Clue, return Curious Cadaver from your graveyard to your hand. | Peter Polach

Detective's Satchel | Artifact | | When Detective's Satchel enters the battlefield, investigate twice. (To investigate, create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.") {T}: Create a 1/1 colorless Thopter artifact creature token with flying. Activate only if you've sacrificed an artifact this turn. | Andrew Mar

Gadget Technician | Creature | Goblin Artificer | When Gadget Technician enters the battlefield or is turned face up, create a 1/1 colorless Thopter artifact creature token with flying. Disguise {U/R}{U/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

Ill-Timed Explosion | Sorcery | | Draw two cards. Then you may discard two cards. When you do, Ill-Timed Explosion deals X damage to each creature, where X is the greatest mana value among cards discarded this way. | Aaron J. Riley

Kellan, Inquisitive Prodigy | Legendary Creature | Human Faerie Detective | Flying, vigilance Whenever Kellan, Inquisitive Prodigy attacks, destroy up to one target artifact. If you controlled that permanent, draw a card. | Joshua Raphael

Vannifar, Evolved Enigma | Legendary Creature | Elf Ooze Wizard | At the beginning of combat on your turn, choose one — • Cloak a card from your hand. (Put it onto the battlefield face down as a 2/2 creature with ward {2}. Turn it face up any time for its mana cost if it's a creature card.) • Put a +1/+1 counter on each colorless creature you control. | Uriah Voth

Leyline of the Guildpact | Enchantment | | If Leyline of the Guildpact is in your opening hand, you may begin the game with it on the battlefield. Each nonland permanent you control is all colors. Lands you control are every basic land type in addition to their other types. | Daarken