Neutralize the Guards is a uncommon Instant card from Outlaws of Thunder Junction (OTJ), collector number 95. Current market price: $0.18 (foil $0.23), TCGplayer market prices via Scryfall.
Creatures target opponent controls get -1/-1 until end of turn. Surveil 2. (Look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)