4 verses have
if
in Edition Clear Qur'an by Talal Itani / Al-Mulk (The Sovereignty)

67:2He who created death and life—to test you—as to which of you is better in conduct. He is the Almighty, the Forgiving.

67:21Or who is this that will provide for you, if He withholds His provision? Yet they persist in defiance and aversion.

67:25And they say, “When will this promise be fulfilled, if you are truthful?”

67:30Say, “Have you considered? If your water drains away, who will bring you pure running water?”