Murders at Karlov Manor

Case of the Burning Masks | Enchantment | Case | When this Case enters the battlefield, it deals 3 damage to target creature an opponent controls. To solve — Three or more sources you controlled dealt damage this turn. (If unsolved, solve at the beginning of your end step.) Solved — Sacrifice this Case: Exile the top three cards of your library. Choose one of them. You may play that card this turn. | Bastien L. Deharme

Case of the Crimson Pulse | Enchantment | Case | When this Case enters the battlefield, discard a card, then draw two cards. To solve — You have no cards in hand. (If unsolved, solve at the beginning of your end step.) Solved — At the beginning of your upkeep, discard your hand, then draw two cards. | Adam Paquette

The Chase Is On | Instant | | Target creature gets +3/+0 and gains first strike until end of turn. Investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.") | Diego Gisbert

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

Gearbane Orangutan | Creature | Ape | Reach When Gearbane Orangutan enters the battlefield, choose one — • Destroy up to one target artifact. • Sacrifice an artifact. If you do, put two +1/+1 counters on Gearbane Orangutan. | Svetlin Velinov

Krenko, Baron of Tin Street | Legendary Creature | Goblin | Haste {T}, Sacrifice an artifact: Put a +1/+1 counter on each Goblin you control. Whenever an artifact is put into a graveyard from the battlefield, you may pay {R}. If you do, create a 1/1 red Goblin creature token. It gains haste until end of turn. | Brian Valeza

Lamplight Phoenix | Creature | Phoenix | Flying When Lamplight Phoenix dies, you may exile it and collect evidence 4. If you do, return Lamplight Phoenix to the battlefield tapped. (To collect evidence 4, exile cards with total mana value 4 or greater from your graveyard.) | Ryan Pancoast

Warleader's Call | Enchantment | | Creatures you control get +1/+1. Whenever a creature enters the battlefield under your control, Warleader's Call deals 1 damage to each opponent. | Aldo Domínguez

Kylox's Voltstrider | Artifact | Vehicle | Collect evidence 6: Kylox's Voltstrider becomes an artifact creature until end of turn. Whenever Kylox's Voltstrider attacks, you may cast an instant or sorcery spell from among cards exiled with it. If that spell would be put into a graveyard, put it on the bottom of its owner's library instead. Crew 2 | Volkan Baǵa

Deadly Complication | Sorcery | | Choose one or both — • Destroy target creature. • Put a +1/+1 counter on target suspected creature you control. You may have it become no longer suspected. | Jodie Muir