This rider mentions food, oil, and wine with the potential implication of famine following the destruction caused by the first two riders.
And when he had opened the third seal, I heard the third beast say, Come and see. And I beheld, and lo a black horse; and he that sat on him had a pair of balances in his hand. And I heard a voice in the midst of the four beasts say, A measure of wheat for a penny, and three measures of barley for a penny; and [see] thou hurt not the oil and the wine. (Revelation 6:5-6)