Memnarchitect

Spells you cast have affinity for artifact creatures that weren't originally artifact creatures. (They cost {1} less to cast for each artifact creature you control that wasn't originally an artifact creature.) {1}{U}{U}: Target permanent becomes an artifact in addition to its other types.

From Magic: The Gathering.

Open the interactive version on https://mythscribe.cloud/app/tcg/cards/cms6o8k7m5h0ppb1h2knq8h9v.