Variantly: "and it shall consume the land and its produce": the world. "and it shall set ablaze the foundations of the mountains": the four exiles, viz. (Zechariah 6:1) "And I raised my eyes and I saw. And, behold, four chariots emerging from between the two mountains. And the mountains were mountains of copper."
(Devarim 32:23) "I will join evils upon them": I will gather together and bring upon them all of the evils at once.