Officious Interrogation is a rare Instant card from Murders at Karlov Manor (MKM), collector number 222. Current market price: $0.26 (foil $0.22), TCGplayer market prices via Scryfall.
This spell costs {W}{U} more to cast for each target beyond the first. Choose any number of target players. Investigate X times, where X is the total number of creatures those players control.