Whenever you cast an artifact spell, investigate. (Create a colorless Clue artifact token 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.
![Forensic Gadgeteer [Murders at Karlov Manor]](http://tothetablebgc.myshopify.com/cdn/shop/files/97d08a15-e61c-4421-a541-c68a4f87cb74.png?v=1776592223&width=1445)
