As far as I know,Under no circumstance except for willed inheritance from a spouse can a foreigner own land ...FULL STOP.
The lease thing sounds good until it is challenged by a seperated/angry spouse or next of kin in a Filipino court of law and when the ***** hits the fan the judge will quote from the anti dummy laws that will render your lease null and void. (lease between husband and wife)
Filipino 1 Foreigner 0
Final score!!