Your search for "Unlicensed Disintegration 187" revealed the following:
Unlicensed Disintegration (KLD) from Kaladesh, available at 401 Games Canada. Rarity: Uncommon Finish: Normal Artist: Izzy Card Text:Destroy target creature. If you control an artifact, Unlicensed Disintegration deals 3 damage to that creature's controller.
Unlicensed Disintegration (Foil) (KLD) from Kaladesh, available at 401 Games Canada. Rarity: Uncommon Finish: Foil Artist: Izzy Card Text:Destroy target creature. If you control an artifact, Unlicensed Disintegration deals 3 damage to that creature's controller.
Unlicensed Disintegration - KLD Reprint (PLST) from The List, available at 401 Games Canada. Rarity: Uncommon Finish: Normal Artist: Izzy Card Text:Destroy target creature. If you control an artifact, Unlicensed Disintegration deals 3 damage to that creature's controller.