Or HaChaim on Deuteronomy 11:12/אור החיים על דברים י״א:י״ב

1 אשר ה׳ אלוקיך דרש, "which the Lord your G'd enquires after (all the time)." Moses emphasises the word אלוקיך, "your G'd" to remind us that the excellence of this land is conditional on the mutually exclusive relationship between Israel and its G'd. If Israel were to find itself in exile due to its sins, the land would not prove excellent for whoever would dwell in it after Israel would be expelled.