Shadowy Backstreet [Murders at Karlov Manor] Standard Showdown Promos Set: Unknown Event Type: Artifact

Set: Unknown Event Type: Artifact Creature — Phyrexian Horse Rarity: Common Cost: {1}{W} Vigilance

or maybe the Chainsaw of Bloody Dismemberment

sacrifice it

the Executioners unleash fusillade after punishing fusillade

(At the beginning of the upkeep of each of those creature's controllers

Shadowy Backstreet [Murders at Karlov Manor] Standard Showdown Promos Set: Unknown Event Type: ArtifactSet: Murders at Karlov Manor Type: Land Plains Swamp Rarity: Rare (T: Add W or B.) Shadowy Backstreet enters the battlefield tapped. When Shadowy Backstreet enters the battlefield, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)