Eliminate the Impossible [MKM - 54]

U

54

Instant

Investigate. Creatures your opponents control get -2/-0 until end of turn. If any of them are suspected, they're no longer suspected. (To investigate, create a Clue token. It's an artifact with "2, Sacrifice this artifact: Draw a card.")

"Half the city had motive. Time to narrow down who also had the means and opportunity."