Offender at Large is a common Creature — Giant Rogue card from Murders at Karlov Manor (MKM), collector number 138. Current market price: $0.17 (foil $0.15), TCGplayer market prices via Scryfall.
Disguise {4}{R} (You may cast this card face down for {3} as a 2/2 creature with ward {2}. Turn it face up any time for its disguise cost.) When this creature enters or is turned face up, up to one target creature gets +2/+0 until end of turn.