Schaft creek. 

2nd lower c1 cost. 
Long life

multi metal revenue (4 metals, ties for most in project satellite)

safe jurisdiction (your backyard)

If you remove zafranal and San Nicholas as they've been saying they want to sell it.  Your list becomes even clearer on what the next project is for teck where they can use current cash flow to finance the next copper project.  Also taking  zafranal and San Nicholas out, majority of the remaining assets is with a major and require both parties wanting to put it into production

if they want to do another qb2 case where the third party pays for construction, it really narrows it down to 1-2