Smell Fear is a common Sorcery card from Modern Horizons 2 (MH2), collector number 173. Current market price: $0.28 (foil $0.69), TCGplayer market prices via Scryfall.
Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.) Target creature you control fights up to one target creature you don't control.