Forensic Gadgeteer [Murders at Karlov Manor Prerelease Promos]

Set: Murders at Karlov Manor Prerelease Promos Type: Creature — Vedalken Artificer Detective Rarity: Rare Cost: {2}{U} Whenever you cast an artifact spell, investigate. (Create a Clue token. It's an artifact with "2, Sacrifice this artifact: Draw a card.")Activated abilities of artifacts you control cost 1 less to activate. This effect can't reduce the mana in that cost to less than one mana.